dm talk
authorLuc Moreau <l.moreau@ecs.soton.ac.uk>
Tue, 17 Apr 2012 15:02:16 +0100
changeset 2345 60a0a20b961c
parent 2343 4482fa5dd39f
child 2346 acd066132913
dm talk
model/Makefile
model/all-divs.js
model/prov-dm.html
presentations/wais-2012-18-14/prov-dm/overview/extra.css
presentations/wais-2012-18-14/prov-dm/overview/images/Agents-Responsibility.png
presentations/wais-2012-18-14/prov-dm/overview/images/Alternates.png
presentations/wais-2012-18-14/prov-dm/overview/images/Collections.png
presentations/wais-2012-18-14/prov-dm/overview/images/Derivation.png
presentations/wais-2012-18-14/prov-dm/overview/images/Entities-Activities.png
presentations/wais-2012-18-14/prov-dm/overview/images/activityAssociation.png
presentations/wais-2012-18-14/prov-dm/overview/images/complement-of.png
presentations/wais-2012-18-14/prov-dm/overview/images/constraints.png
presentations/wais-2012-18-14/prov-dm/overview/images/constraints2.png
presentations/wais-2012-18-14/prov-dm/overview/images/example-graphical.png
presentations/wais-2012-18-14/prov-dm/overview/images/informedByNonTransitive.png
presentations/wais-2012-18-14/prov-dm/overview/images/old-overview.png
presentations/wais-2012-18-14/prov-dm/overview/images/sec6-summary.png
presentations/wais-2012-18-14/prov-dm/overview/images/timeline.png
presentations/wais-2012-18-14/prov-dm/overview/images/viewOf.png
presentations/wais-2012-18-14/prov-dm/overview/images/w3-publication1.png
presentations/wais-2012-18-14/prov-dm/overview/images/w3-publication3.png
presentations/wais-2012-18-14/prov-dm/overview/index.html
--- a/model/Makefile	Tue Apr 17 13:51:14 2012 +0100
+++ b/model/Makefile	Tue Apr 17 15:02:16 2012 +0100
@@ -34,7 +34,7 @@
 	cat $(WORKDIR)/prov-dm-constraints.xhtml | sed -e "s/&le/le/g" | sed -e "s/&cup/cup/g" | sed -e "s/&ge/ge/g" | grep -v "/html" > $(WORKDIR)/prov-dm-constraints-2.xhtml
 	csplit -f $(WORKDIR)/out $(WORKDIR)/prov-dm-2.xhtml /body/
 	echo "<html>" > $(WORKDIR)/all-divs.html
-	xpath $(WORKDIR)/out01 .//div[@class] >> $(WORKDIR)/all-divs.html
+	xpath $(WORKDIR)/out01 .//div >> $(WORKDIR)/all-divs.html
 	csplit -f $(WORKDIR)/out $(WORKDIR)/prov-dm-constraints-2.xhtml /body/
 	xpath $(WORKDIR)/out01 .//div[@class] >> $(WORKDIR)/all-divs.html
 	xpath $(WORKDIR)/out01 .//span[@class] >> $(WORKDIR)/all-divs.html
--- a/model/all-divs.js	Tue Apr 17 13:51:14 2012 +0100
+++ b/model/all-divs.js	Tue Apr 17 15:02:16 2012 +0100
@@ -3,102 +3,136 @@
 //  with <script src="all-divs.js" class="remove"></script>
 //Insert glossary definitions with the following 
 // <div class="glossary-ref" ref="glossary-generation"></div>
-divs_hg='http://dvcs.w3.org/hg/prov/file/baac41bffc1f/model/prov-dm.html';
+divs_hg='http://dvcs.w3.org/hg/prov/file/4482fa5dd39f/model/prov-dm.html';
 divs_string= 
 '<html> \n' + 
-'<div class="note"> \n' + 
-'      TO EDIT \n' + 
-'    </div><div class="note"> \n' + 
-'      TO EDIT \n' + 
-'    </div><div class="buttonpanel"> \n' + 
-'      <form action="#"> \n' + 
-'        <p> \n' + 
-'          <input id="hide-asn" onclick="set_display_by_class(\'div\',\'withAsn\',\'none\');set_display_by_class(\'span\',\'withAsn\',\'none\'); set_display_by_id(\'hide-asn\',\'none\'); set_display_by_id(\'show-asn\',\'\');" type="button" value="Hide ASN" /> <input id="show-asn" onclick="set_display_by_class(\'div\',\'withAsn\',\'\'); set_display_by_class(\'span\',\'withAsn\',\'\');  set_display_by_id(\'hide-asn\',\'\'); set_display_by_id(\'show-asn\',\'none\');" style="display: none" type="button" value="Show ASN" /> \n' + 
-'        </p> \n' + 
-'      </form> \n' + 
-'    </div><div class="issue"> \n' + 
-'      There is a desire to use a single namespace that all specifications of the \n' + 
-'      PROV family can share to refer to common provenance terms. This is <a href="http://www.w3.org/2011/prov/track/issues/224">ISSUE-224</a>. \n' + 
+'<div style="text-align: left;"> \n' + 
+'      <table border="1" style="margin-left: auto; margin-right: auto;"> \n' + 
+'        <caption id="namespace-table"> \n' + 
+'          Table 1: Prefix and Namespaces used in this specification \n' + 
+'        </caption> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>prefix</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            namespace uri \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            definition \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>prov</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            http://www.w3.org/ns/prov# \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            The PROV namespace (see Section <a href="#term-NamespaceDeclaration">4.7.1</a>) \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>xsd</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            http://www.w3.org/2000/10/XMLSchema# \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            XML Schema Namespace [[!XMLSCHEMA-2]] \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>rdf</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            http://www.w3.org/1999/02/22-rdf-syntax-ns# \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            The RDF namespace [[!RDF-CONCEPTS]] \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>(others)</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            (various) \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            All other namespace prefixes are used in examples only. <br /> In \n' + 
+'            particular, URIs starting with "http://example.com" represent<br /> \n' + 
+'            some application-dependent URI [[!URI]] \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'      </table> \n' + 
 '    </div><div class="glossary-ref"> \n' + 
-'    </div><div class="anexample" id="entity-example"> \n' + 
+'    </div><div class="conceptexample" id="entity-example"> \n' + 
 '      <p> \n' + 
-'        An entity may be the document at URI <a href="http://www.w3.org/TR/prov-dm/">http://www.w3.org/TR/prov-dm/</a>, \n' + 
-'        a file in a file system, a car or an idea. \n' + 
+'        An entity may be the document at URI <a href="http://www.bbc.co.uk/news/science-environment-17526723">http://www.bbc.co.uk/news/science-environment-17526723</a>, \n' + 
+'        a file in a file system, a car, or an idea. \n' + 
 '      </p> \n' + 
-'    </div><div class="anexample" id="activity-example"> \n' + 
+'    </div><div class="conceptexample" id="activity-example"> \n' + 
 '      <p> \n' + 
-'        An activity may be the publishing of a document on the web, sending a \n' + 
-'        twitter message, extracting metadata embedded in a file, or driving a \n' + 
-'        car from Boston to Cambridge, assembling a data set based on a set of \n' + 
+'        An activity may be the publishing of a document on the Web, sending a \n' + 
+'        twitter message, extracting metadata embedded in a file, driving a car \n' + 
+'        from Boston to Cambridge, assembling a data set based on a set of \n' + 
 '        measurements, performing a statistical analysis over a data set, sorting \n' + 
 '        news items according to some criteria, running a SPARQL query over a \n' + 
-'        triple store, and editing a file. \n' + 
-'      </p> \n' + 
-'    </div><div class="anexample" id="agent-example"> \n' + 
-'      <p> \n' + 
-'        Software for checking the use of grammar in a document may be defined as \n' + 
-'        an agent of a document preparation activity, and at the same time one \n' + 
-'        can describe its provenance, including for instance the vendor and the \n' + 
-'        version history. \n' + 
+'        triple store, or editing a file. \n' + 
 '      </p> \n' + 
 '    </div><div class="glossary-ref"> \n' + 
 '    </div><div class="glossary-ref"> \n' + 
-'    </div><div class="anexample" id="generation-example"> \n' + 
-'      Examples of generation are the completed creation of a file by a program, \n' + 
-'      the completed creation of a linked data set, and the completed publication \n' + 
-'      of a new version of a document. \n' + 
-'    </div><div class="anexample" id="usage-example"> \n' + 
-'      Usage examples include a procedure beginning to consume an argument, a \n' + 
-'      service starting to read a value on a port, a program beginning to read a \n' + 
-'      configuration file, or the point at which an ingredient, such as eggs, is \n' + 
-'      being added in a baking activity. Usage may entirely consume an entity \n' + 
-'      (e.g. eggs are no longer available after being added to the mix); \n' + 
-'      alternatively, a same entity may be used multiple times, possibly by \n' + 
-'      different activities (e.g. a file on a file system can be read \n' + 
-'      indefinitely). \n' + 
-'    </div><div class="anexample" id="derivation-example"> \n' + 
+'    </div><div class="conceptexample" id="generation-example"> \n' + 
+'      <p> \n' + 
+'        Examples of generation are the completed creation of a file by a \n' + 
+'        program, the completed creation of a linked data set, and the completed \n' + 
+'        publication of a new version of a document. \n' + 
+'      </p> \n' + 
+'    </div><div class="conceptexample" id="usage-example"> \n' + 
+'      <p> \n' + 
+'        Usage examples include a procedure beginning to consume an argument, a \n' + 
+'        service starting to read a value on a port, a program beginning to read \n' + 
+'        a configuration file, or the point at which an ingredient, such as eggs, \n' + 
+'        is being added in a baking activity. Usage may entirely consume an \n' + 
+'        entity (e.g. eggs are no longer available after being added to the mix); \n' + 
+'        alternatively, the same entity may be used multiple times, possibly by \n' + 
+'        different activities (e.g. a file on a file system can be read \n' + 
+'        indefinitely). \n' + 
+'      </p> \n' + 
+'    </div><div class="conceptexample" id="derivation-example"> \n' + 
 '      <p> \n' + 
 '        Examples of derivation include the transformation of a relational table \n' + 
 '        into a linked data set, the transformation of a canvas into a painting, \n' + 
 '        the transportation of a work of art from London to New York, and a \n' + 
 '        physical transformation such as the melting of ice into water. \n' + 
 '      </p> \n' + 
-'    </div><div class="anexample" id="plan-example"> \n' + 
+'    </div><div class="conceptexample" id="agent-example"> \n' + 
+'      <p> \n' + 
+'        Software for checking the use of grammar in a document may be defined as \n' + 
+'        an agent of a document preparation activity, and at the same time one \n' + 
+'        can describe its provenance, including for instance the vendor and the \n' + 
+'        version history. A site selling books on the Web, the services involved \n' + 
+'        in the processing of orders, and the companies hosting them are also \n' + 
+'        agents. \n' + 
+'      </p> \n' + 
+'    </div><div class="conceptexample" id="plan-example"> \n' + 
 '      <p> \n' + 
 '        A plan can be a blog post tutorial for how to set up a web server, a \n' + 
 '        list of instructions for a micro-processor execution, a cook\'s written \n' + 
 '        recipe for a chocolate cake, or a workflow for a scientific experiment. \n' + 
 '      </p> \n' + 
-'    </div><div class="anexample" id="collection-example"> \n' + 
-'      <p> \n' + 
-'        An example of collection is an archive of documents. Each document has \n' + 
-'        its own provenance, but the archive itself also has some provenance: who \n' + 
-'        maintained it, which documents it contained at which point in time, how \n' + 
-'        it was assembled, etc. \n' + 
-'      </p> \n' + 
-'    </div><div class="anexample" id="account-example"> \n' + 
+'    </div><div class="glossary-ref" /><div class="conceptexample" id="attribution-example"> \n' + 
 '      <p> \n' + 
-'        Having found a resource, a user may want to retrieve its provenance. For \n' + 
-'        users to decide whether they can place their trust in that resource, \n' + 
-'        they may want to analyze its provenance, but also determine who the \n' + 
-'        provenance is attributed to, and when it was generated. Hence, from the \n' + 
-'        PROV-DM data model, the provenance is regarded as an entity, an \n' + 
-'        AccountEntity, for which provenance can be sought. \n' + 
+'        A blog post can be attributed to an author, a mobile phone to its \n' + 
+'        manufacturer. \n' + 
 '      </p> \n' + 
-'    </div><div class="anexample" id="software-agents-example"> \n' + 
+'    </div><div class="conceptexample" id="association-example"> \n' + 
 '      <p> \n' + 
-'        Even software agents can be assigned some responsibility for the effects \n' + 
-'        they have in the world, so for example if one is using a Text Editor and \n' + 
-'        one\'s laptop crashes, then one would say that the Text Editor was \n' + 
-'        responsible for crashing the laptop. If one invokes a service to buy a \n' + 
-'        book, that service can be considered responsible for drawing funds from \n' + 
-'        one\'s bank to make the purchase (the company that runs the service and \n' + 
-'        the web site would also be responsible, but the point here is that we \n' + 
-'        assign some measure of responsibility to software as well). \n' + 
-'      </p> \n' + 
-'    </div><div class="anexample" id="association-example"> \n' + 
-'      <p> \n' + 
-'        Examples of association between an activity and agent are: \n' + 
+'        Examples of association between an activity and an agent are: \n' + 
 '      </p> \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
@@ -112,10 +146,11 @@
 '          a public event, sponsored by a company, and hosted by a museum; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          an XSLT transform initiated by a user; \n' + 
+'          an XSLT transform launched by a user based on an XSL style sheet (a \n' + 
+'          plan). \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
-'    </div><div class="anexample" id="responsibilityChain-example"> \n' + 
+'    </div><div class="conceptexample" id="responsibility-example"> \n' + 
 '      <p> \n' + 
 '        A student publishing a web page describing an academic department could \n' + 
 '        result in both the student and the department being agents associated \n' + 
@@ -123,24 +158,520 @@
 '        page but it matters a lot that the department told the student to put up \n' + 
 '        the web page. \n' + 
 '      </p> \n' + 
-'    </div><div class="note"> \n' + 
-'      TODO: short text required to explain the overview diagram \n' + 
-'    </div><div class="note"> \n' + 
-'      Illustration to be hand crafted instead of being generated automatically. \n' + 
-'      It\'s important to adopt a common style for all illustrations across all \n' + 
-'      PROV documents. \n' + 
-'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-entity"> \n' + 
-'      An entity<span class="withAsn">, written <span class="name">entity(id, [ \n' + 
-'      attr1=val1, ...])</span> in PROV-ASN, </span> contains: \n' + 
+'    </div><div class="conceptexample" id="collection-example"> \n' + 
+'      <p> \n' + 
+'        An example of collection is an archive of documents. Each document has \n' + 
+'        its own provenance, but the archive itself also has some provenance: who \n' + 
+'        maintained it, which documents it contained at which point in time, how \n' + 
+'        it was assembled, etc. \n' + 
+'      </p> \n' + 
+'    </div><div class="conceptexample" id="account-example"> \n' + 
+'      <p> \n' + 
+'        For users to decide whether they can place their trust in a resource, \n' + 
+'        they may want to analyze the resource\'s provenance, but also determine \n' + 
+'        who its provenance is attributed to, and when it was generated. In other \n' + 
+'        words, users need to be able to determine the provenance of provenance. \n' + 
+'        Hence, provenance is also regarded as an entity (of type Account), by \n' + 
+'        which provenance of provenance can then be expressed. \n' + 
+'      </p> \n' + 
+'    </div><div style="text-align: left;"> \n' + 
+'      <table border="1" style="margin-left: auto; margin-right: auto;"> \n' + 
+'        <caption id="overview-types-and-relations"> \n' + 
+'          Table 2: Mapping of Provenance concepts to types and relations \n' + 
+'        </caption> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a><b>PROV Concepts</b></a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <b>PROV-DM types or relations</b> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <b>Name</b> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Entity</a> \n' + 
+'          </td> \n' + 
+'          <td rowspan="3"> \n' + 
+'            PROV-DM Types \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-Entity">entity</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Activity</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-Activity">activity</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Agent</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-agent">agent</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Generation</a> \n' + 
+'          </td> \n' + 
+'          <td rowspan="6"> \n' + 
+'            PROV-DM Relations \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasGeneratedBy">wasGeneratedBy</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Usage</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="used">used</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Attribution</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasAttributedTo">wasAttributedTo</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Association</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasAssociatedWith">wasAssociatedWith</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Responsibility</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="actedOnBehalfOf">actedOnBehalfOf</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a>Derivation</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasDerivedFrom">wasDerivedFrom</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'      </table> \n' + 
+'    </div><div style="text-align: center; "> \n' + 
+'      <img src="images/OverviewDiagram.png" alt="Simplified  Overview of PROV-DM" style="max-width: 70%; " /> Figure 1: Simplified Overview of PROV-DM \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        An activity with identifier <span class="name">a1</span> and an \n' + 
+'        attribute <span class="name">type</span> with value <span class="name">createFile</span>. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'activity(a1, [prov:type="createFile"]) \n' + 
+'</pre> \n' + 
+'      Two entities with identifiers <span class="name">e1</span> and <span class="name">e2</span>. \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+'</pre> \n' + 
+'      The activity <span class="name">a1</span> used <span class="name">e1</span>, \n' + 
+'      and <span class="name">e2</span> was generated by <span class="name">a1</span>. \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'used(a1,e1) \n' + 
+'wasGeneratedBy(e2,a1) \n' + 
+'</pre> \n' + 
+'      The same description, but with an explicit identifier <span class="name">u1</span> \n' + 
+'      for the usage, and the syntactic marker <span class="name">-</span> to \n' + 
+'      mark the absence of identifier in the generation. \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'used(u1,a1,e1) \n' + 
+'wasGeneratedBy(-,e2,a1) \n' + 
+'</pre> \n' + 
+'    </div><div style="text-align: center; "> \n' + 
+'      <img src="images/w3-publication3.png" alt="Provenance of a Document (1)" style="max-width: 98%; " /> Figure 2: Provenance of a Document (1) \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/w3-publication1.png" alt="Provenance of a Document (2)" style="max-width: 90%; " /> Figure 3: Provenance of a Document (2) \n' + 
+'    </div><div id="prov-dm-components-ul"> \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an identifier identifying an \n' + 
+'          <b>Component 1: entities and activities.</b> The first component \n' + 
+'          consists of entities, activities, and concepts linking them, such as \n' + 
+'          generation, usage, start, end. The first component is the only one \n' + 
+'          comprising time-related concepts. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <b>Component 2: agents and responsibility.</b> The second component \n' + 
+'          consists of agents and concepts ascribing responsibility to agents. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <b>Component 3: derivations.</b> The third component is formed with \n' + 
+'          derivations and derivation subtypes. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <b>Component 4: alternate.</b> The fourth component consists of \n' + 
+'          relations linking entities referring to the same thing. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <b>Component 5: collections.</b> The fifth component is about \n' + 
+'          collections and concepts capturing their transformation, such as \n' + 
+'          insertion and removal. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <b>Component 6: annotations.</b> The sixth component is concerned with \n' + 
+'          annotations to PROV-DM instances. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/components.png" alt="PROV-DM Components" style="max-width: 90%; " /> <map id="componentMap"> \n' + 
+'      <area title="collections" href="#component5" coords="220,0,440,70" alt="collections" shape="rect" /> \n' + 
+'      <area title="alternate" href="#component4" coords="450,0,510,140" alt="alternate" shape="rect" /> \n' + 
+'      <area title="annotations" href="#component6" coords="530,0,590,220" alt="annotations" shape="rect" /> \n' + 
+'      <area title="activities/entities" href="#component1" coords="80,150,510,220" alt="activities/entities" shape="rect" /> \n' + 
+'      <area title="derivations" href="#component3" coords="80,0,210,70" alt="derivations" shape="rect" /> \n' + 
+'      <area title="agents/responsibility" href="#component2" coords="0,0,70,220" alt="agents/responsibility" shape="rect" /></map> \n' + 
+'      Figure 4: PROV-DM Components \n' + 
+'    </div><div id="relations-at-a-glance-div" style="text-align: center;"> \n' + 
+'      <table border="1" style="margin-left: auto; margin-right: auto;"> \n' + 
+'        <caption id="relations-at-a-glance"> \n' + 
+'          Table 3: PROV-DM Relations At a Glance \n' + 
+'        </caption> \n' + 
+'        <tr> \n' + 
+'          <td /> \n' + 
+'          <td> \n' + 
+'            Entity \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            Activity \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            Agent \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            Note \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            Entity \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <div class="component3-color"> \n' + 
+'              <a>wasDerivedFrom</a><br /><a>wasRevisionOf</a><br /><a>wasQuotedFrom</a><br /><a>hadOriginalSource</a> \n' + 
+'            </div> \n' + 
+'            <div class="component4-color"> \n' + 
+'              <a>alternateOf</a><br /><a>specializationOf</a> \n' + 
+'            </div> \n' + 
+'          </td> \n' + 
+'          <td class="component1-color"> \n' + 
+'            <a title="wasGeneratedBy">wasGeneratedBy</a> \n' + 
+'          </td> \n' + 
+'          <td class="component2-color"> \n' + 
+'            <a>wasAttributedTo</a> \n' + 
+'          </td> \n' + 
+'          <td class="component6-color"> \n' + 
+'            <a>hasAnnotation</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            Activity \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <div class="component1-color"> \n' + 
+'              <a>used</a><br /><a>wasStartedBy</a><br /><a>wasEndedBy</a> \n' + 
+'            </div> \n' + 
+'          </td> \n' + 
+'          <td class="component1-color"> \n' + 
+'            <a>wasStartedByActivity</a><br /><a>wasInformedBy</a> \n' + 
+'          </td> \n' + 
+'          <td class="component2-color"> \n' + 
+'            <a>wasAssociatedWith</a> \n' + 
+'          </td> \n' + 
+'          <td class="component6-color"> \n' + 
+'            <a>hasAnnotation</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            Agent \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'          </td> \n' + 
+'          <td class="component2-color"> \n' + 
+'            <a>actedOnBehalfOf</a> \n' + 
+'          </td> \n' + 
+'          <td class="component6-color"> \n' + 
+'            <a>hasAnnotation</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            Note \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'          </td> \n' + 
+'          <td class="component6-color"> \n' + 
+'            <a>hasAnnotation</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'      </table> \n' + 
+'    </div><div class="component3-color"> \n' + 
+'              <a>wasDerivedFrom</a><br /><a>wasRevisionOf</a><br /><a>wasQuotedFrom</a><br /><a>hadOriginalSource</a> \n' + 
+'            </div><div class="component4-color"> \n' + 
+'              <a>alternateOf</a><br /><a>specializationOf</a> \n' + 
+'            </div><div class="component1-color"> \n' + 
+'              <a>used</a><br /><a>wasStartedBy</a><br /><a>wasEndedBy</a> \n' + 
+'            </div><div id="prov-dm-types-and-relations" style="text-align: left;"> \n' + 
+'      <table border="1" style="margin-left: auto; margin-right: auto;"> \n' + 
+'        <caption id="prov-dm-types-and-relations_"> \n' + 
+'          Table 4: PROV-DM Types and Relations \n' + 
+'        </caption> \n' + 
+'        <tr> \n' + 
+'          <td> \n' + 
+'            <a><b>Type or Relation Name</b></a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <b>Representation in the PROV-N notation</b> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Entity</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-Entity">entity(id, [ attr1=val1, ...])</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Activity</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-Activity">activity(id, st, et, [ attr1=val1, ...])</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Generation</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasGeneratedBy">wasGeneratedBy(id,e,a,t,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Usage</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="used">used(id,a,e,t,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Start</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasStartedBy">wasStartedBy(id,a,e,t,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>End</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasEndedBy">wasEndedBy(id,a,e,t,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Communication</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasInformedBy">wasInformedBy(id,a2,a1,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component1-color"> \n' + 
+'          <td> \n' + 
+'            <a>Start by Activity</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasStartedByActivity">wasStartedByActivity(id, a2, a1, \n' + 
+'            attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component2-color"> \n' + 
+'          <td> \n' + 
+'            <a>Agent</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-agent">agent(id, [ attr1=val1, ...])</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component2-color"> \n' + 
+'          <td> \n' + 
+'            <a>Attribution</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasAttributedTo">wasAttributedTo(id,e,ag,attr)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component2-color"> \n' + 
+'          <td> \n' + 
+'            <a>Association</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasAssociatedWith">wasAssociatedWith(id,a,ag,pl,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component2-color"> \n' + 
+'          <td> \n' + 
+'            <a>Responsibility</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="actedOnBehalfOf">actedOnBehalfOf(id,ag2,ag1,a,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component3-color"> \n' + 
+'          <td> \n' + 
+'            <a>Derivation</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasDerivedFrom">wasDerivedFrom(id, e2, e1, a, g2, u1, \n' + 
+'            attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component3-color"> \n' + 
+'          <td> \n' + 
+'            <a>Revision</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasRevisionOf">wasRevisionOf(id,e2,e1,ag,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component3-color"> \n' + 
+'          <td> \n' + 
+'            <a>Quotation</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="wasQuotedFrom">wasQuotedFrom(id,e2,e1,ag2,ag1,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component3-color"> \n' + 
+'          <td> \n' + 
+'            <a>Original Source</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="hadOriginalSource">hadOriginalSource(id,e2,e1,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component3-color"> \n' + 
+'          <td> \n' + 
+'            <a>Traceability</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="tracedTo">tracedTo(id,e2,e1,attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component4-color"> \n' + 
+'          <td> \n' + 
+'            <a>Alternate</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="alternateOf">alternateOf(alt1, alt2)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component4-color"> \n' + 
+'          <td> \n' + 
+'            <a>Specialization</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="specializationOf">specializationOf(sub, super)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component5-color"> \n' + 
+'          <td> \n' + 
+'            <a>Collection</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a>Collection</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component5-color"> \n' + 
+'          <td> \n' + 
+'            <a>Insertion</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="derivedByInsertionFrom">derivedByInsertionFrom(id, c2, c1, \n' + 
+'            {(key_1, e_1), ..., (key_n, e_n)}, attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component5-color"> \n' + 
+'          <td> \n' + 
+'            <a>Removal</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="derivedByRemovalFrom">derivedByRemovalFrom(id, c2, c1, \n' + 
+'            {key_1, ... key_n}, attrs)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component5-color"> \n' + 
+'          <td> \n' + 
+'            <a>Membership</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="memberOf">memberOf(c, {(key_1, e_1), ..., (key_n, e_n)})</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component6-color"> \n' + 
+'          <td> \n' + 
+'            <a>Note</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="dfn-note">note(id, [ attr1=val1, ...])</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'        <tr class="component6-color"> \n' + 
+'          <td> \n' + 
+'            <a>Annotation</a> \n' + 
+'          </td> \n' + 
+'          <td> \n' + 
+'            <a title="hasAnnotation">hasAnnotation(r,n)</a> \n' + 
+'          </td> \n' + 
+'        </tr> \n' + 
+'      </table> \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/Entities-Activities.png" alt="entities and activities" /> \n' + 
+'      Figure 5: Entities and Activities Component Overview \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-entity"> \n' + 
+'      An <dfn title="dfn-Entity" id="dfn-entity">entity</dfn><span class="withPn">, \n' + 
+'      written <span class="pnExpression" id="pn-entity">entity(id, [attr1=val1, \n' + 
+'      ...])</span> in PROV-N, </span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="entity.id">id</span>: an identifier for an \n' + 
 '          entity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs representing this entity\'s situation in the \n' + 
-'          world. \n' + 
+'          <span class="attribute" id="entity.attributes">attributes</span>: an \n' + 
+'          OPTIONAL set of attribute-value pairs ((<span class="name">attr1</span>, \n' + 
+'          <span class="name">val1</span>), ...) representing additional \n' + 
+'          information about this entity. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
@@ -151,9 +682,10 @@
 'entity(tr:WD-prov-dm-20111215, [ prov:type="document", ex:version="2" ]) \n' + 
 '</pre> \n' + 
 '      states the existence of an entity, denoted by identifier <span class="name">tr:WD-prov-dm-20111215</span>, \n' + 
-'      with type <span class="name">document</span> and version number <span class="name">2</span>. The attributes <span class="name">ex:version</span> \n' + 
+'      with type <span class="name">document</span> and version number <span class="name">2</span>. The attribute <span class="name">ex:version</span> \n' + 
 '      is application specific, whereas the attribute <span class="name">type</span> \n' + 
-'      is reserved in the PROV-DM namespace. \n' + 
+'      (see <a href="#term-attribute-type">Section 4.7.4.4</a>) is reserved in \n' + 
+'      the <a title="prov-namespace">PROV namespace</a>. \n' + 
 '       <!-- The following expression</p> <pre class="codeexample"> \n' + 
 '        entity(tr:WD-prov-dm-20111215, [ prov:type="document", ex:version="2" ]) \n' + 
 '        entity(e0, [ prov:type="File", ex:path="/shared/crime.txt", \n' + 
@@ -163,39 +695,31 @@
 '        class="name">/shared/crime.txt</span> in the file system, and creator \n' + 
 '        alice. The attributes <span class="name">path</span> and <span \n' + 
 '        class="name">creator</span> are application specific, whereas the \n' + 
-'        attribute <span class="name">type</span> is reserved in the PROV-DM \n' + 
+'        attribute <span class="name">type</span> is reserved in the PROV \n' + 
 '        namespace. --> \n' + 
-'    </div><div class="issue"> \n' + 
-'      The characterization interval of an entity is currently implicit. Making \n' + 
-'      it explicit would allow us to define wasComplementOf more precisely. \n' + 
-'      Beginning and end of characterization interval could be expressed by \n' + 
-'      attributes (similarly to activities). How do we define the end of an \n' + 
-'      entity? This is <a href="http://www.w3.org/2011/prov/track/issues/204">ISSUE-204</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      There is still some confusion about what the identifiers really denote. \n' + 
-'      For instance, are they entity identifiers or entity record identifiers. \n' + 
-'      This is <a href="http://www.w3.org/2011/prov/track/issues/183">ISSUE-183</a>. \n' + 
-'      An example and questions appear in <a href="http://www.w3.org/2011/prov/track/issues/215">ISSUE-215</a>. A \n' + 
-'      related issued is also raised in <a href="http://www.w3.org/2011/prov/track/issues/145">ISSUE-145</a>. \n' + 
 '    </div><div class="glossary-ref" /><div class="attributes" id="attributes-activity"> \n' + 
-'      An activity<span class="withAsn">, written <span class="name">activity(id, \n' + 
-'      st, et, [ attr1=val1, ...])</span> in PROV-ASN,</span> contains: \n' + 
+'      An <dfn title="dfn-Activity" id="dfn-activity">activity</dfn><span class="withPn">, written <span class="pnExpression" id="pn-activity">activity(id, \n' + 
+'      st, et, [attr1=val1, ...])</span> in PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an identifier identifying an \n' + 
+'          <span class="attribute" id="activity.id">id</span>: an identifier for \n' + 
+'          an activity; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="activity.startTime">startTime</span>: an \n' + 
+'          OPTIONAL time (<span class="name">st</span>) for the start of the \n' + 
 '          activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">startTime</span>: an OPTIONAL time for the \n' + 
-'          start of the activity; \n' + 
+'          <span class="attribute" id="activity.endTime">endTime</span>: an \n' + 
+'          OPTIONAL time (<span class="name">et</span>) for the end of the \n' + 
+'          activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">endTime</span>: an OPTIONAL time for the end \n' + 
-'          of the activity; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs for this activity. \n' + 
+'          <span class="attribute" id="activity.attributes">attributes</span>: an \n' + 
+'          OPTIONAL set of attribute-value pairs ((<span class="name">attr1</span>, \n' + 
+'          <span class="name">val1</span>), ...) representing additional \n' + 
+'          information about this activity. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
@@ -213,104 +737,35 @@
 '        The attribute <span class="name">host</span> is application specific \n' + 
 '        (declared in some namespace with prefix <span class="name">ex</span>). \n' + 
 '        The attribute <span class="name">type</span> is a reserved attribute of \n' + 
-'        PROV-DM, allowing for sub-typing to be expressed. \n' + 
+'        PROV-DM, allowing for sub-typing to be expressed (see <a href="#term-attribute-type">Section 4.7.4.4</a>). \n' + 
 '      </p> \n' + 
-'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-agent"> \n' + 
-'      An agent<span class="withAsn">, noted <span class="name">agent(id, [ \n' + 
-'      attr1=val1, ...])</span> in PROV-ASN,</span> contains: \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-generation"> \n' + 
+'      <dfn title="wasGeneratedBy">Generation</dfn><span class="withPn">, written \n' + 
+'      <span class="pnExpression">wasGeneratedBy(id,e,a,t,attrs)</span> in \n' + 
+'      PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an identifier identifying an agent; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">attributes</span>: a set of attribute-value \n' + 
-'          pairs representing this agent\'s situation in the world. \n' + 
-'        </li> \n' + 
-'      </ul> \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
-'        The following expression is about an agent identified by <span class="name">e1</span>, which is a person, named Alice, with employee \n' + 
-'        number 1234. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'agent(e1, [ex:employee="1234", ex:name="Alice", prov:type="prov:Human" %% xsd:QName]) \n' + 
-'</pre> \n' + 
-'      <p> \n' + 
-'        It is optional to specify the type of an agent. When present, it is \n' + 
-'        expressed using the <span class="name">prov:type</span> attribute. \n' + 
-'      </p> \n' + 
-'    </div><div class="issue"> \n' + 
-'      Shouldn\'t we allow for entities (not agent) to be associated with an \n' + 
-'      activity? Should we drop the inference association-agent? <a href="http://www.w3.org/2011/prov/track/issues/203">ISSUE-203</a>. \n' + 
-'    </div><div class="attributes" id="attributes-note"> \n' + 
-'      A <dfn title="dfn-note">note</dfn><span class="withAsn">, noted <span class="name">note(id, [ attr1=val1, ...])</span> in PROV-ASN,</span> \n' + 
-'      contains: \n' + 
-'      <ul> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">id</span>: an identifier identifying the note; \n' + 
+'          <span class="attribute" id="generation.id">id</span>: an OPTIONAL \n' + 
+'          identifier for a generation; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">attributes</span>: a set of attribute-value \n' + 
-'          pairs, whose meaning is application specific. \n' + 
-'        </li> \n' + 
-'      </ul> \n' + 
-'    </div><div class="anexample" id="anexample-note1"> \n' + 
-'      <p> \n' + 
-'        The following note consists of a set of application-specific \n' + 
-'        attribute-value pairs, intended to help the rendering of what it is \n' + 
-'        associated with, by specifying its color and its position on the screen. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'note(ex2:n1,[ex2:color="blue", ex2:screenX=20, ex2:screenY=30]) \n' + 
-'hasAnnotation(tr:WD-prov-dm-20111215,ex2:n1) \n' + 
-'</pre> \n' + 
-'      <p> \n' + 
-'        The note is associated with the entity <span class="name">tr:WD-prov-dm-20111215</span> \n' + 
-'        previously introduced (<a title="annotation">hasAnnotation</a> is \n' + 
-'        discussed in Section <a href="#term-annotation">Annotation</a>). The \n' + 
-'        note\'s identifier and attributes are declares in a separate namespace \n' + 
-'        denoted by prefix <span class="name">ex2</span>. \n' + 
-'      </p> \n' + 
-'    </div><div class="anexample" id="anexample-note2"> \n' + 
-'      <p> \n' + 
-'        Alternatively, a reputation service may enrich a provenance record with \n' + 
-'        notes providing reputation ratings about agents. In the following \n' + 
-'        fragment, both agents <span class="name">ex:Simon</span> and <span class="name">ex:Paolo</span> are rated "excellent". \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'note(ex3:n2,[ex3:reputation="excellent"]) \n' + 
-'hasAnnotation(ex:Simon,ex3:n2) \n' + 
-'hasAnnotation(ex:Paolo,ex3:n2) \n' + 
-'</pre> \n' + 
-'      <p> \n' + 
-'        The note\'s identifier and attributes are declares in a separate \n' + 
-'        namespace denoted by prefix <span class="name">ex3</span>. \n' + 
-'      </p> \n' + 
-'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-generation"> \n' + 
-'      <dfn title="dfn-Generation">Generation</dfn><span class="withAsn">, \n' + 
-'      written <span class="name">wasGeneratedBy(id,e,a,t,attrs)</span> in \n' + 
-'      PROV-ASN,</span> has the following components: \n' + 
-'      <ul> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier identifying \n' + 
-'          a generation; \n' + 
+'          <span class="attribute" id="generation.entity">entity</span>: an \n' + 
+'          identifier (<span class="name">e</span>) for a created entity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">entity</span>: an identifier identifying a \n' + 
-'          created entity; \n' + 
+'          <span class="attribute" id="generation.activity">activity</span>: an \n' + 
+'          OPTIONAL identifier (<span class="name">a</span>) for the activity \n' + 
+'          that creates the entity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">activity</span>: an OPTIONAL identifier \n' + 
-'          identifying the activity that creates the entity; \n' + 
+'          <span class="attribute" id="generation.time">time</span>: an OPTIONAL \n' + 
+'          "generation time" (<span class="name">t</span>), the time at which the \n' + 
+'          entity was completely created; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">time</span>: an OPTIONAL "generation time", \n' + 
-'          the time at which the entity was completely created; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs that describes the modalities of generation of \n' + 
-'          this entity by this activity. \n' + 
+'          <span class="attribute" id="generation.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this generation. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
@@ -318,53 +773,54 @@
 '        The following expressions \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'  wasGeneratedBy(e1,a1, 2001-10-26T21:32:52, [ex:port="p1", ex:order=1]) \n' + 
-'  wasGeneratedBy(e2,a1, 2001-10-26T10:00:00, [ex:port="p1", ex:order=2]) \n' + 
+'  wasGeneratedBy(e1,a1, 2001-10-26T21:32:52, [ex:port="p1"]) \n' + 
+'  wasGeneratedBy(e2,a1, 2001-10-26T10:00:00, [ex:port="p2"]) \n' + 
 '</pre> \n' + 
 '      <p> \n' + 
 '        state the existence of two generations (with respective times <span class="name">2001-10-26T21:32:52</span> and <span class="name">2001-10-26T10:00:00</span>), \n' + 
 '        at which new entities, identified by <span class="name">e1</span> and \n' + 
 '        <span class="name">e2</span>, are created by an activity, identified by \n' + 
-'        <span class="name">a1</span>. The first one is available as the first \n' + 
-'        value on port p1, whereas the other is the second value on port p1. The \n' + 
-'        semantics of <span class="name">port</span> and <span class="name">order</span> \n' + 
+'        <span class="name">a1</span>. The first one is available on port <span class="name">p1</span>, whereas the other is available on port <span class="name">p2</span>. The semantics of <span class="name">port</span> \n' + 
 '        are application specific. \n' + 
 '      </p> \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
 '        In some cases, we may want to record the time at which an entity was \n' + 
 '        generated without having to specify the activity that generated it. To \n' + 
-'        support this requirement, the activity component in generation is \n' + 
+'        support this requirement, the activity element in generation is \n' + 
 '        optional. Hence, the following expression indicates the time at which an \n' + 
 '        entity is generated, without naming the activity that did it. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'  wasGeneratedBy(e,,2001-10-26T21:32:52) \n' + 
+'  wasGeneratedBy(e,-,2001-10-26T21:32:52) \n' + 
 '</pre> \n' + 
+'    </div><div class="issue"> \n' + 
+'      A construct that marks the "end of life" of an entity may be introduced. \n' + 
+'      This is <a href="http://www.w3.org/2011/prov/track/issues/204">ISSUE-204</a>. \n' + 
 '    </div><div class="glossary-ref" /><div class="attributes" id="attributes-usage"> \n' + 
-'      <dfn title="dfn-Usage">Usage</dfn><span class="withAsn">, written <span class="name">used(id,a,e,t,attrs)</span> in PROV-ASN,</span> has the \n' + 
-'      following constituents: \n' + 
+'      <dfn title="used">Usage</dfn><span class="withPn">, written <span class="pnExpression">used(id,a,e,t,attrs)</span> in PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier identifying \n' + 
-'          a usage; \n' + 
+'          <span class="attribute" id="usage.id">id</span>: an OPTIONAL \n' + 
+'          identifier for a usage; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">activity</span>: an identifier for the \n' + 
-'          consuming activity; \n' + 
+'          <span class="attribute" id="usage.activity">activity</span>: an \n' + 
+'          identifier (<span class="name">a</span>) for the consuming activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">entity</span>: an identifier for the consumed \n' + 
-'          entity; \n' + 
+'          <span class="attribute" id="usage.entity">entity</span>: an identifier \n' + 
+'          (<span class="name">e</span>) for the consumed entity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">time</span>: an OPTIONAL "usage time", the \n' + 
-'          time at which the entity started to be used; \n' + 
+'          <span class="attribute" id="usage.time">time</span>: an OPTIONAL \n' + 
+'          "usage time" (<span class="name">t</span>), the time at which the \n' + 
+'          entity started to be used; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs that describe the modalities of usage of this \n' + 
-'          entity by this activity. \n' + 
+'          <span class="attribute" id="usage.attributes">attributes</span>: an \n' + 
+'          OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this usage. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
@@ -376,122 +832,325 @@
 '  used(a1,e2,2011-11-16T16:00:01,[ex:parameter="p2"]) \n' + 
 '</pre> \n' + 
 '      <p> \n' + 
-'        state that the activity identified by <span class="name">a1</span> \n' + 
-'        consumed two entities identified by <span class="name">e1</span> and \n' + 
-'        <span class="name">e2</span>, at times <span class="name">2011-11-16T16:00:00</span> \n' + 
+'        state that the activity identified by <span class="name">a1</span> used \n' + 
+'        two entities identified by <span class="name">e1</span> and <span class="name">e2</span>, at times <span class="name">2011-11-16T16:00:00</span> \n' + 
 '        and <span class="name">2011-11-16T16:00:01</span>, respectively; the \n' + 
 '        first one was found as the value of parameter <span class="name">p1</span>, \n' + 
 '        whereas the second was found as value of parameter <span class="name">p2</span>. \n' + 
 '        The semantics of <span class="name">parameter</span> is application \n' + 
 '        specific. \n' + 
 '      </p> \n' + 
-'    </div><div class="note"> \n' + 
-'      <p> \n' + 
-'        A usage record\'s id is OPTIONAL. It MUST be present when annotating \n' + 
-'        usage records (see Section <a href="#term-annotation">Annotation Record</a>) \n' + 
-'        or when defining precise-1 derivations (see <a href="#Derivation-Relation">Derivation</a>). \n' + 
-'      </p> \n' + 
-'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-activity-association"> \n' + 
-'      An <dfn title="dfn-activity-association">activity association</dfn><span class="withAsn">, written <span class="name">wasAssociatedWith(id,a,ag,pl,attrs)</span> \n' + 
-'      in PROV-ASN,</span> has the following constituents: \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-start"> \n' + 
+'      An activity <dfn title="wasStartedBy">start</dfn><span class="withPn">, \n' + 
+'      written <span class="pnExpression">wasStartedBy(id,a,e,t,attrs)</span> in \n' + 
+'      PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier for the \n' + 
-'          association between an activity and an agent; \n' + 
+'          <span class="attribute" id="start.id">id</span>: an OPTIONAL \n' + 
+'          identifier for the activity start; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">activity</span>: an identifier for the \n' + 
+'          <span class="attribute" id="start.activity">activity</span>: an \n' + 
+'          identifier (<span class="name">a</span>) for the started activity; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="start.trigger">trigger</span>: an OPTIONAL \n' + 
+'          identifier (<span class="name">e</span>) for the entity triggering the \n' + 
 '          activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">agent</span>: an identifier for the agent \n' + 
+'          <span class="attribute" id="start.time">time</span>: the OPTIONAL time \n' + 
+'          (<span class="name">t</span>) at which the activity was started; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="start.attributes">attributes</span>: an \n' + 
+'          OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this activity start. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        The following example contains the description of an activity <span class="name">a1</span> (a discussion), which was started at a specific \n' + 
+'        time, and was triggered by an email message <span class="name">e1</span>. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(e1,[prov:type="email message"]) \n' + 
+'activity(a1,[prov:type="Discuss"]) \n' + 
+'wasStartedBy(a1,e1,2011-11-16T16:05:00) \n' + 
+'</pre> \n' + 
+'      Furthermore, if the message is also an input to the activity, this can be \n' + 
+'      described as follows: \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'used(a1,e1,-) \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        In the following example, a race is started by a bang, and \n' + 
+'        responsibility for this trigger is attributed to an agent <span class="name">ex:DarthVader</span>. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'activity(ex:foot_race) \n' + 
+'wasStartedBy(ex:foot_race,ex:bang,2012-03-09T08:05:08-05:00) \n' + 
+'entity(ex:bang) \n' + 
+'agent(ex:Bob) \n' + 
+'wasAttributedTo(ex:bang,ex:Bob) \n' + 
+'</pre> \n' + 
+'    </div><div class="glossary-ref" /><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        The following example is a description of an activity <span class="name">a1</span> \n' + 
+'        (editing) that was ended following an approval document <span class="name">e1</span>. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(e1,[prov:type="approval document"]) \n' + 
+'activity(a1,[prov:type="Editing"]) \n' + 
+'wasEndedBy(a1,e1) \n' + 
+'</pre> \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-wasInformedBy"> \n' + 
+'      A <dfn title="wasInformedBy">communication</dfn><span class="withPn">, \n' + 
+'      written as <span class="pnExpression">wasInformedBy(id,a2,a1,attrs)</span> \n' + 
+'      in PROV-N,</span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="wasInformedBy.id">id</span>: an OPTIONAL \n' + 
+'          identifier identifying the relation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="wasInformedBy.informed">informed</span>: \n' + 
+'          the identifier (<span class="name">a2</span>) of the informed \n' + 
+'          activity; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="wasInformedBy.informant">informant</span>: \n' + 
+'          the identifier (<span class="name">a1</span>) of the informant \n' + 
+'          activity; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="wasInformedBy.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this communication. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        Consider two activities <span class="name">a1</span> and <span class="name">a2</span>, the former performed by a government agency, and \n' + 
+'        the latter by a driver caught speeding. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'activity(a1, [prov:type="traffic regulations enforcing"]) \n' + 
+'activity(a2, [prov:type="fine paying; check writing; mailing"]) \n' + 
+'wasInformedBy(a2,a1) \n' + 
+'</pre> \n' + 
+'      The last line indicates that some implicit entity was generated by <span class="name">a1</span> and used by <span class="name">a2</span>; this \n' + 
+'      entity may be a traffic ticket that had a notice of fine, amount, and \n' + 
+'      payment mailing details. \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-startByActivity"> \n' + 
+'      A <dfn title="wasStartedByActivity">start by activity</dfn><span class="withPn">, written as <span class="pnExpression">wasStartedByActivity(id, \n' + 
+'      a2, a1, attrs)</span> in PROV-N,</span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="startByActivity.id">id</span>: an OPTIONAL \n' + 
+'          identifier of the relation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="startByActivity.started">started</span>: \n' + 
+'          the identifier (<span class="name">a2</span>) of the started activity; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="startByActivity.starter">starter</span>: \n' + 
+'          the identifier (<span class="name">a1</span>) of the activity that \n' + 
+'          started the other; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="startByActivity.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this start by \n' + 
+'          activity. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        Suppose activities <span class="name">a1</span> and <span class="name">a2</span> \n' + 
+'        are computer processes that are executed on different hosts, and that \n' + 
+'        <span class="name">a1</span> started <span class="name">a2</span>. This \n' + 
+'        can be expressed as in the following fragment: \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'activity(a1,t1,t2,[ex:host="server1.example.org",prov:type="workflow"]) \n' + 
+'activity(a2,t3,t4,[ex:host="server2.example.org",prov:type="subworkflow"]) \n' + 
+'wasStartedByActivity(a2,a1) \n' + 
+'</pre> \n' + 
+'      It is assumed that the activities <span class="name">a1</span> and <span class="name">a2</span> are of type "workflow" and "subworkflow", \n' + 
+'      respectively; the latter was started by the former. \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/Agents-Responsibility.png" alt="agents and responsibilities" /> Figure 6: Agents and Responsibilities \n' + 
+'      Component Overview \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-agent"> \n' + 
+'      An <dfn title="dfn-agent" id="dfn-agent">agent</dfn><span class="withPn">, \n' + 
+'      written <span class="pnExpression" id="pn-agent">agent(id, [attr1=val1, \n' + 
+'      ...])</span> in PROV-N,</span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="agent.id">id</span>: an identifier for an \n' + 
+'          agent; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="agent.attributes">attributes</span>: a set \n' + 
+'          of attribute-value pairs ((<span class="name">attr1</span>, <span class="name">val1</span>), ...) representing additional information \n' + 
+'          about this agent. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="glossary-ref" /><div class="glossary-ref" /><div class="glossary-ref" /><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        The following expression is about an agent identified by <span class="name">e1</span>, which is a person, named Alice, with employee \n' + 
+'        number 1234. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'agent(e1, [ex:employee="1234", ex:name="Alice", prov:type="prov:Person" %% xsd:QName]) \n' + 
+'</pre> \n' + 
+'      <p> \n' + 
+'        It is optional to specify the type of an agent. When present, it is \n' + 
+'        expressed using the <span class="name">prov:type</span> attribute. \n' + 
+'      </p> \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-attribution"> \n' + 
+'      An <dfn title="wasAttributedTo">attribution</dfn> relation<span class="withPn">, written <span class="pnExpression">wasAttributedTo(id,e,ag,attrs)</span> \n' + 
+'      in PROV-N,</span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="attribution.id">id</span>: an OPTIONAL \n' + 
+'          identifier for the relation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="attribution.entity">entity</span>: an \n' + 
+'          entity identifier (<span class="name">e</span>); \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="attribution.agent">agent</span>: the \n' + 
+'          identifier (<span class="name">ag</span>) of the agent whom the entity \n' + 
+'          is ascribed to; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="attribution.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this attribution. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample" id="anexample-attribution"> \n' + 
+'      <p> \n' + 
+'        Revisiting the example of <a href="#section-example-one">Section 3.1</a>, \n' + 
+'        we can ascribe <span class="name">tr:WD-prov-dm-20111215</span> to some \n' + 
+'        agents without an explicit activity. The reserved attribute <span class="name">role</span> (see <a href="#term-attribute-role">Section \n' + 
+'        4.7.4.3</a>) allows for role of the agent in the attribution to be \n' + 
+'        specified. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'agent(ex:Paolo, [ prov:type="Person" ]) \n' + 
+'agent(ex:Simon, [ prov:type="Person" ]) \n' + 
+'entity(tr:WD-prov-dm-20111215, [ prov:type="process:RecsWD" %% xsd:QName ]) \n' + 
+'wasAttributedTo(tr:WD-prov-dm-20111215, ex:Paolo, [prov:role="editor"]) \n' + 
+'wasAttributedTo(tr:WD-prov-dm-20111215, ex:Simon, [prov:role="contributor"]) \n' + 
+'</pre> \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-activity-association"> \n' + 
+'      An <dfn title="wasAssociatedWith">activity association</dfn><span class="withPn">, written <span class="pnExpression">wasAssociatedWith(id,a,ag,pl,attrs)</span> \n' + 
+'      in PROV-N,</span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="association.id">id</span>: an OPTIONAL \n' + 
+'          identifier for the association between an activity and an agent; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="association.activity">activity</span>: an \n' + 
+'          identifier (<span class="name">a</span>) for the activity; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="association.agent">agent</span>: an \n' + 
+'          OPTIONAL identifier (<span class="name">ag</span>) for the agent \n' + 
 '          associated with the activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">plan</span>: an OPTIONAL identifier for the \n' + 
-'          plan adopted by the agent in the context of this activity; \n' + 
+'          <span class="attribute" id="association.plan">plan</span>: an OPTIONAL \n' + 
+'          identifier (<span class="name">pl</span>) for the plan adopted by the \n' + 
+'          agent in the context of this activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs that describe the modalities of association of \n' + 
+'          <span class="attribute" id="association.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this association of \n' + 
 '          this activity with this agent. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
-'    </div><div class="anexample"> \n' + 
-'      In the following example, a designer and an operator agents are associated \n' + 
-'      with an activity. The designer\'s goals are achieved by a workflow <span class="name">ex:wf</span>. \n' + 
+'    </div><div class="anexample" id="anexample-wasAssociateWith"> \n' + 
+'      <p> \n' + 
+'        In the following example, a designer and an operator agents are \n' + 
+'        associated with an activity. The designer\'s goals are achieved by a \n' + 
+'        workflow <span class="name">ex:wf</span>, described as an an entity of \n' + 
+'        type <span class="name"><a>plan</a></span>. \n' + 
+'      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'activity(ex:a,[prov:type="workflow execution"]) \n' + 
-'agent(ex:ag1,[prov:type="operator"]) \n' + 
-'agent(ex:ag2,[prov:type="designer"]) \n' + 
-'wasAssociatedWith(ex:a,ex:ag1,[prov:role="loggedInUser", ex:how="webapp"]) \n' + 
-'wasAssociatedWith(ex:a,ex:ag2,ex:wf,[prov:role="designer", ex:context="project1"]) \n' + 
-'entity(ex:wf,[prov:type="prov:Plan"%% xsd:QName, ex:label="Workflow 1",  \n' + 
+'activity(ex:a, [prov:type="workflow execution"]) \n' + 
+'agent(ex:ag1, [prov:type="operator"]) \n' + 
+'agent(ex:ag2, [prov:type="designer"]) \n' + 
+'wasAssociatedWith(ex:a, ex:ag1, -, [prov:role="loggedInUser", ex:how="webapp"]) \n' + 
+'wasAssociatedWith(ex:a, ex:ag2, ex:wf,[prov:role="designer", ex:context="project1"]) \n' + 
+'entity(ex:wf, [prov:type="prov:Plan" %% xsd:QName, ex:label="Workflow 1",  \n' + 
 '              ex:url="http://example.org/workflow1.bpel" %% xsd:anyURI]) \n' + 
 '</pre> \n' + 
 '      Since the workflow <span class="name">ex:wf</span> is itself an entity, \n' + 
 '      its provenance can also be expressed in PROV-DM: it can be generated by \n' + 
 '      some activity and derived from other entities, for instance. \n' + 
-'    </div><div class="issue"> \n' + 
-'      The activity association record does not allow for a plan to be asserted \n' + 
-'      without an agent. This seems over-restrictive. Discussed in the context of \n' + 
-'      <a href="http://www.w3.org/2011/prov/track/issues/203">ISSUE-203</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Agents should not be inferred. WasAssociatedWith should also work with \n' + 
-'      entities. This is <a href="http://www.w3.org/2011/prov/track/issues/206">ISSUE-206</a>. \n' + 
-'    </div><div class="anexample"> \n' + 
+'    </div><div class="anexample" id="anexample-wasAssociateWith-2"> \n' + 
 '      <p> \n' + 
-'        In the following example, \n' + 
+'        In some cases, one wants to indicate a plan was followed, without having \n' + 
+'        to specify which agent was involved. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'wasStartedBy(a,ag,[ex:mode="manual"]) \n' + 
-'wasEndedby(a,ag,[ex:mode="manual"]) \n' + 
+'activity(ex:a,[prov:type="workflow execution"]) \n' + 
+'wasAssociatedWith(ex:a,-,ex:wf) \n' + 
+'entity(ex:wf,[prov:type="prov:Plan"%% xsd:QName, ex:label="Workflow 1",  \n' + 
+'              ex:url="http://example.org/workflow1.bpel" %% xsd:anyURI]) \n' + 
 '</pre> \n' + 
-'      <p> \n' + 
-'        there is an activity denoted by <span class="name">a</span> that was \n' + 
-'        started and ended by an agent denoted by <span class="name">ag</span>, \n' + 
-'        in "manual" mode, an application specific characterization of these \n' + 
-'        relations. \n' + 
-'      </p> \n' + 
-'    </div><div class="issue"> \n' + 
-'      Should we define start/end records as representation of activity start/end \n' + 
-'      events. Should time be associated with these events rather than with \n' + 
-'      activities. This will be similar to what we do for entities. This is issue \n' + 
-'      <a href="http://www.w3.org/2011/prov/track/issues/207">ISSUE-207</a>. \n' + 
-'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-responsibility-chain"> \n' + 
-'      A <dfn title="dfn-responsibility-chain">responsibility chain</dfn><span class="withAsn">, written <span class="name">actedOnBehalfOf(id,ag2,ag1,a,attrs)</span> \n' + 
-'      in PROV-ASN,</span> has the following constituents: \n' + 
+'      In this case, it is assumed that an agent exists, but it has not been \n' + 
+'      specified. \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-responsibility"> \n' + 
+'      A <dfn title="actedOnBehalfOf">responsibility</dfn> link<span class="withPn">, written <span class="pnExpression">actedOnBehalfOf(id,ag2,ag1,a,attrs)</span> \n' + 
+'      in PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier identifying \n' + 
-'          the responsibility chain; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">subordinate</span>: an identifier for the \n' + 
-'          agent associated with an activity, acting on behalf of the responsible \n' + 
-'          agent; \n' + 
+'          <span class="attribute" id="responsibility.id">id</span>: an OPTIONAL \n' + 
+'          identifier for the responsibility link between subordinate and \n' + 
+'          responsible; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">responsible</span>: an identifier for the \n' + 
-'          agent, on behalf of which the subordinate agent acted; \n' + 
+'          <span class="attribute" id="responsibility.subordinate">subordinate</span>: \n' + 
+'          an identifier (<span class="name">ag2</span>) for the agent associated \n' + 
+'          with an activity, acting on behalf of the responsible agent; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">activity</span>: an OPTIONAL identifier of an \n' + 
-'          activity for which the responsibility chain holds; \n' + 
+'          <span class="attribute" id="responsibility.responsible">responsible</span>: \n' + 
+'          an identifier (<span class="name">ag1</span>) for the agent, on behalf \n' + 
+'          of which the subordinate agent acted; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs that describe the modalities of this relation. \n' + 
+'          <span class="attribute" id="responsibility.activity">activity</span>: \n' + 
+'          an OPTIONAL identifier (<span class="name">a</span>) of an activity \n' + 
+'          for which the responsibility link holds; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="responsibility.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this responsibility \n' + 
+'          link. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
-'      In the following example, a programmer, a researcher and a funder agents \n' + 
-'      are described. The programmer and researcher are associated with a \n' + 
-'      workflow activity. The programmer acts on behalf of the researcher \n' + 
-'      (delegation) encoding the commands specified by the researcher; the \n' + 
-'      researcher acts on behalf of the funder, who has an contractual agreement \n' + 
-'      with the researcher. The terms \'delegation\' and \'contact\' used in this \n' + 
-'      example are domain specific. \n' + 
+'      <p> \n' + 
+'        The following fragment describes three agents: a programmer, a \n' + 
+'        researcher, and a funder. The programmer and researcher are associated \n' + 
+'        with a workflow activity. The programmer acts on behalf of the \n' + 
+'        researcher (delegation) encoding the commands specified by the \n' + 
+'        researcher; the researcher acts on behalf of the funder, who has a \n' + 
+'        contractual agreement with the researcher. The terms \'delegation\' and \n' + 
+'        \'contact\' used in this example are domain specific. \n' + 
+'      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
 'activity(a,[prov:type="workflow"]) \n' + 
 'agent(ag1,[prov:type="programmer"]) \n' + 
@@ -499,158 +1158,514 @@
 'agent(ag3,[prov:type="funder"]) \n' + 
 'wasAssociatedWith(a,ag1,[prov:role="loggedInUser"]) \n' + 
 'wasAssociatedWith(a,ag2) \n' + 
+'wasAssociatedWith(a,ag3) \n' + 
 'actedOnBehalfOf(ag1,ag2,a,[prov:type="delegation"]) \n' + 
 'actedOnBehalfOf(ag2,ag3,a,[prov:type="contract"]) \n' + 
 '</pre> \n' + 
-'    </div><div class="glossary-ref" /><div class="note"> \n' + 
-'      This text was not edited much. It keeps on referring to \n' + 
-'      asserter/assertion. Before editing this section, we would like to have <a href="http://www.w3.org/2011/prov/track/issues/249">ISSUE-249</a> \n' + 
-'      resolved. \n' + 
-'    </div><div class="attributes" id="attributes-derivation"> \n' + 
-'      A <dfn>precise-1 derivation</dfn><span class="withAsn">, written <span class="name">wasDerivedFrom(id, e2, e1, a, g2, u1, attrs)</span> in \n' + 
-'      PROV-ASN,</span> contains: \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/Derivation.png" alt="derivation" /> Figure 7: Derivation \n' + 
+'      Component Overview \n' + 
+'    </div><div class="glossary-ref" /><div class="attributes" id="attributes-derivation"> \n' + 
+'      A <dfn title="wasDerivedFrom">derivation</dfn><span class="withPn">, \n' + 
+'      written <span class="pnExpression" id="pn-wasDerivedFrom">wasDerivedFrom(id, \n' + 
+'      e2, e1, a, g2, u1, attrs)</span> in PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier identifying \n' + 
+'          <span class="attribute" id="derivation.id">id</span>: an OPTIONAL \n' + 
+'          identifier for a derivation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivation.generatedEntity">generatedEntity</span>: \n' + 
+'          the identifier (<span class="name">ee</span>) of the entity generated \n' + 
+'          by the derivation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivation.usedEntity">usedEntity</span>: \n' + 
+'          the identifier (<span class="name">e1</span>) of the entity used by \n' + 
 '          the derivation; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">generatedEntity</span>: the identifier of the \n' + 
-'          generation entity; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">usedEntity</span>: the identifier of the used \n' + 
-'          entity; \n' + 
+'          <span class="attribute" id="derivation.activity">activity</span>: an \n' + 
+'          OPTIONAL identifier (<span class="name">a</span>) for the activity \n' + 
+'          using and generating the above entities; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">activity</span>: the identifier of the \n' + 
-'          activity using and generating the above entities; \n' + 
+'          <span class="attribute" id="derivation.generation">generation</span>: \n' + 
+'          an OPTIONAL identifier (<span class="name">g2</span>) for the \n' + 
+'          generation involving the generated entity and activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">generation</span>: the identifier the \n' + 
-'          generation for the generated entity and activity; \n' + 
+'          <span class="attribute" id="derivation.usage">usage</span>: an \n' + 
+'          OPTIONAL identifier (<span class="name">u1</span>) for the usage \n' + 
+'          involving the used entity and activity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">usage</span>: the identifier of the usage for \n' + 
-'          the used entity and activity; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs that describe the modalities of this derivation, \n' + 
-'          optionally including the attribute-value pair <span class="name">prov:steps="single"</span>. \n' + 
+'          <span class="attribute" id="derivation.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this derivation. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
-'        The following descriptions state the existence of derivations. \n' + 
+'        The following descriptions are about derivations between <span class="name">e2</span> and <span class="name">e1</span>, but no \n' + 
+'        information is provided as to the identity of the activity (and usage \n' + 
+'        and generation) underpinning the derivation. In the second line, a type \n' + 
+'        attribute is also provided. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'wasDerivedFrom(e5,e3,a4,g2,u2) \n' + 
-'wasDerivedFrom(e5,e3,a4,g2,u2,[prov:steps="single"]) \n' + 
-' \n' + 
-'wasDerivedFrom(e3,e2,[prov:steps="single"]) \n' + 
-' \n' + 
-'wasDerivedFrom(e2,e1,[]) \n' + 
-'wasDerivedFrom(e2,e1,[prov:steps="any"]) \n' + 
-' \n' + 
-'wasDerivedFrom(e2,e1,2012-01-18T16:00:00, [prov:steps="any"]) \n' + 
+'wasDerivedFrom(e2, e1) \n' + 
+'wasDerivedFrom(e2, e1, [prov:type="physical transform"]) \n' + 
 '</pre> \n' + 
 '      <p> \n' + 
-'        The first two are precise-1 derivations expressing that the activity \n' + 
-'        identified by <span class="name">a4</span>, by using the entity denoted \n' + 
-'        by <span class="name">e3</span> according to usage <span class="name">u2</span> \n' + 
-'        derived the entity denoted by <span class="name">e5</span> and generated \n' + 
-'        it according to generation <span class="name">g2</span>. \n' + 
+'        The following description expresses that activity <span class="name">a</span>, \n' + 
+'        using the entity <span class="name">e1</span> according to usage <span class="name">u1</span>, derived the entity <span class="name">e2</span> \n' + 
+'        and generated it according to generation <span class="name">g2</span>. \n' + 
+'        It is followed by descriptions for generation <span class="name">g2</span> \n' + 
+'        and usage <span class="name">u1</span>. \n' + 
 '      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'wasDerivedFrom(e2, e1, a, g2, u1) \n' + 
+'wasGeneratedBy(g2, e2, a, -) \n' + 
+'used(u1, a, e1, -) \n' + 
+'</pre> \n' + 
 '      <p> \n' + 
-'        The third line describes an imprecise-1 derivation, which is similar for \n' + 
-'        <span class="name">e3</span> and <span class="name">e2</span>, but it \n' + 
-'        leaves the activity and associated attributes implicit. The fourth and \n' + 
-'        fifth lines are about imprecise-n derivations between <span class="name">e2</span> \n' + 
-'        and <span class="name">e1</span>, but no information is provided as to \n' + 
-'        the number and identity of activities underpinning the derivation. The \n' + 
-'        sixth derivation extends the fifth with the derivation time of <span class="name">e2</span>. \n' + 
+'        With such a comprehensive description of derivation, a program that \n' + 
+'        analyzes provenance can identify the activity underpinning the \n' + 
+'        derivation, it can identify how the original entity <span class="name">e1</span> \n' + 
+'        was used by the activity (e.g. for instance, which argument it was \n' + 
+'        passed as, if the activity is the result of a function invocation), and \n' + 
+'        which output the derived entity <span class="name">e2</span> was \n' + 
+'        obtained from (say, for a function returning multiple results). \n' + 
 '      </p> \n' + 
-'    </div><div class="issue"> \n' + 
-'      Several points were raised about the attribute steps. Its name, its \n' + 
-'      default value <a href="http://www.w3.org/2011/prov/track/issues/180">ISSUE-180</a>. \n' + 
-'      <a href="http://www.w3.org/2011/prov/track/issues/179">ISSUE-179</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Emphasize the notion of \'affected by\' <a href="http://www.w3.org/2011/prov/track/issues/133">ISSUE-133</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Is imprecise-1 derivation necessary? Can we just use precise-1 and \n' + 
-'      imprecise-n? <a href="http://www.w3.org/2011/prov/track/issues/249">ISSUE-249</a>. \n' + 
-'    </div><div class="attributes" id="attributes-alternate"> \n' + 
-'      An <dfn title="dfn-Alternate">alternate relation</dfn><span class="withAsn">, \n' + 
-'      written <span class="name">alternateOf(id, alt1, alt2, attrs)</span> in \n' + 
-'      PROV-ASN,</span> addresses case (1). It has the following constituents: \n' + 
+'    </div><div class="anexample" id="anexample-revision"> \n' + 
+'      <p> \n' + 
+'        Revisiting the example of <a href="#section-example-two">Section 3.2</a>, \n' + 
+'        we can now state that the report <span class="name">tr:WD-prov-dm-20111215</span> \n' + 
+'        is a revision of the report <span class="name">tr:WD-prov-dm-20111018</span>, \n' + 
+'        approved by agent <span class="name">w3:Consortium</span>. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(tr:WD-prov-dm-20111215, [ prov:type="process:RecsWD" %% xsd:QName ]) \n' + 
+'entity(tr:WD-prov-dm-20111018, [ prov:type="process:RecsWD" %% xsd:QName ]) \n' + 
+'wasRevisionOf(tr:WD-prov-dm-20111215, tr:WD-prov-dm-20111018, w3:Consortium) \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample" id="anexample-quotation"> \n' + 
+'      <p> \n' + 
+'        The following paragraph is a quote from one of <a href="http://thinklinks.wordpress.com/2012/03/07/thoughts-from-the-dagstuhl-principles-of-provenance-workshop/">the \n' + 
+'        author\'s blogs</a>. \n' + 
+'      </p> \n' + 
+'      <blockquote id="bl-dagstuhl" /> \n' + 
+'      <em> "During the workshop, it became clear to me that the consensus based \n' + 
+'      models (which are often graphical in nature) can not only be formalized \n' + 
+'      but also be directly connected to these database focused formalizations. I \n' + 
+'      just needed to get over the differences in syntax. This could imply that \n' + 
+'      we could have nice way to trace provenance across systems and through \n' + 
+'      databases and be able to understand the mathematical properties of this \n' + 
+'      interconnection."</em> \n' + 
+'      <p> \n' + 
+'        If <a href="http://thinklinks.wordpress.com/2012/03/07/thoughts-from-the-dagstuhl-principles-of-provenance-workshop/"><span class="name">wp:thoughts-from-the-dagstuhl-principles-of-provenance-workshop/</span></a> \n' + 
+'        denotes the original blog by agent <span class="name">ex:Paul</span>, \n' + 
+'        and <a href="#bl-dagstuhl"><span class="name">dm:bl-dagstuhl</span></a> \n' + 
+'        denotes the above paragraph, then the following descriptions express \n' + 
+'        that the above paragraph is copied by agent <span class="name">ex:Luc</span> \n' + 
+'        from a part of the blog, attributed to the agent <span class="name">ex:Paul</span>. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(wp:thoughts-from-the-dagstuhl-principles-of-provenance-workshop/) \n' + 
+'agent(ex:Luc) \n' + 
+'agent(ex:Paul) \n' + 
+'wasQuotedFrom(dm:bl-dagstuhl,wp:thoughts-from-the-dagstuhl-principles-of-provenance-workshop/,ex:Luc,ex:Paul) \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        Let us consider the concept introduced in the current section, \n' + 
+'        identified as <a href="#concept-original-source"><span class="name">dm:concept-original-source</span></a>, \n' + 
+'        and the Google page <a href="http://googlenewsblog.blogspot.com/2010/11/credit-where-credit-is-due.html"><span class="name">go:credit-where-credit-is-due.html</span></a>, where the \n' + 
+'        notion original-source was originally described (to the knowledge of the \n' + 
+'        authors). \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(dm:concept-original-source) \n' + 
+'entity(go:credit-where-credit-is-due.html) \n' + 
+'hadOriginalSource(dm:concept-original-source,go:credit-where-credit-is-due.html) \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        We refer to the example of <a href="#section-example-two">Section 3.1</a>, \n' + 
+'        and specifically to <a href="#prov-a-document">Figure 2</a>. We can see \n' + 
+'        that there is a path from <span class="name">tr:WD-prov-dm-20111215</span> \n' + 
+'        to <span class="name">w3:Consortium</span> and to <span class="name">process:rec-advance</span>. \n' + 
+'        This is expressed as follows. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+' tracedTo(tr:WD-prov-dm-20111215,w3:Consortium) \n' + 
+' tracedTo(tr:WD-prov-dm-20111215,process:rec-advance) \n' + 
+'</pre> \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/Alternates.png" alt="alternates" /> Figure 8: Alternates \n' + 
+'      Component Overview \n' + 
+'    </div><div class="anexample" id="entity-example1"> \n' + 
+'      <p> \n' + 
+'        User Alice writes an article. In its provenance, she wishes to refer to \n' + 
+'        the precise version of the article with a date-specific URI, as she \n' + 
+'        might edit the article later. Alternatively, user Bob refers to the \n' + 
+'        article in general, indepedently of its variants over time. \n' + 
+'      </p> \n' + 
+'    </div><div class="attributes" id="attributes-specialization"> \n' + 
+'      A <dfn title="specializationOf">specialization</dfn> relation<span class="withPn">, written <span class="pnExpression">specializationOf(sub, \n' + 
+'      super)</span> in PROV-N,</span> has: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier for the \n' + 
-'          association between the two alternates; \n' + 
+'          <span class="attribute" id="specialization.specializedEntity">specializedEntity</span>: \n' + 
+'          an identifier (<span class="name">sub</span>) of the specialized \n' + 
+'          entity; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">firstAlternate</span>: an identifier of the \n' + 
-'          first of the two entities; \n' + 
+'          <span class="attribute" id="specialization.generalEntity">generalEntity</span>: \n' + 
+'          an identifier (<span class="name">super</span>) of the entity that is \n' + 
+'          being specialized. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample" id="anexample-specialization"> \n' + 
+'      <p> \n' + 
+'        The BBC news home page on 2012-03-23 <span class="name">ex:bbcNews2012-03-23</span> \n' + 
+'        is a specialization of the BBC news page in general <a href="http://www.bbc.co.uk/news/">bbc:news/</a>. This can be expressed \n' + 
+'        as follows. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'specializationOf(ex:bbcNews2012-03-23, bbc:news/) \n' + 
+'</pre> \n' + 
+'      Given that the BBC news does not define a URI for this day\'s news page, we \n' + 
+'      are creating a qualified name in the namespace <span class="name">ex</span>. \n' + 
+'    </div><div class="attributes" id="attributes-alternate"> \n' + 
+'      An <dfn title="alternateOf">alternate</dfn> relation<span class="withPn">, \n' + 
+'      written <span class="pnExpression">alternateOf(e1, e2)</span> in PROV-N,</span> \n' + 
+'      has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="alternate.alternate1">alternate1</span>: \n' + 
+'          an identifier (<span class="name">e1</span>) of the first of the two \n' + 
+'          entities; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">secondAlternate</span>: an identifier of the \n' + 
-'          second of the two entities; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs to further describe this relation. \n' + 
+'          <span class="attribute" id="alternate.alternate2">alternate2</span>: \n' + 
+'          an identifier (<span class="name">e2</span>) of the second of the two \n' + 
+'          entities. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
 '    </div><div class="anexample" id="anexample-alternate"> \n' + 
 '      <p> \n' + 
-'        The following expressions describe two persons, respectively holder of a \n' + 
-'        Facebook account and a Twitter account, and their relation as alternate. \n' + 
+'        A given news item on the BBC News site <a href="http://www.bbc.co.uk/news/science-environment-17526723">bbc:news/science-environment-17526723</a> \n' + 
+'        for desktop is an alternate of a <a href="http://www.bbc.co.uk/news/mobile/science-environment-17526723">bbc:news/mobile/science-environment-17526723</a> \n' + 
+'        for mobile devices. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'entity(facebook:ABC, [ prov:type="person with Facebook account " ]) \n' + 
-'entity(twitter:XYZ, [ prov:type="person with Twitter account" ]) \n' + 
-'alternateOf(facebook:ABC, twitter:XYZ) \n' + 
+'entity(bbc:news/science-environment-17526723, [ prov:type="a news item for desktop"]) \n' + 
+'entity(bbc:news/mobile/science-environment-17526723, [ prov:type="a news item for mobile devices"]) \n' + 
+'alternateOf(bbc:news/science-environment-17526723, bbc:news/mobile/science-environment-17526723) \n' + 
 '</pre> \n' + 
-'    </div><div class="attributes" id="attributes-specialization"> \n' + 
-'      A <dfn title="dfn-Specialization">specialization relation</dfn><span class="withAsn">, written <span class="name">specializationOf(id, sub, \n' + 
-'      super, attrs)</span> in PROV-ASN,</span> addresses case (2). It has the \n' + 
-'      following constituents: \n' + 
+'      <p> \n' + 
+'        They are both specialization of an (unspecified) entity. \n' + 
+'      </p> \n' + 
+'    </div><div class="anexample" id="anexample-alternate2"> \n' + 
+'      <p> \n' + 
+'        Considering again the two versions of the technical report <span class="name"><a href="http://www.w3.org/TR/2011/WD-prov-dm-20111215">tr:WD-prov-dm-20111215</a></span> \n' + 
+'        (second working draft) and <span class="name"><span class="name"><a href="http://www.w3.org/TR/2011/WD-prov-dm-20111018">tr:WD-prov-dm-20111018</a></span></span> \n' + 
+'        (first working draft). They are alternate of each other. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(tr:WD-prov-dm-20111018) \n' + 
+'entity(tr:WD-prov-dm-20111215) \n' + 
+'alternateOf(tr:WD-prov-dm-20111018,tr:WD-prov-dm-20111215) \n' + 
+'</pre> \n' + 
+'      <p> \n' + 
+'        They are both specialization of the page <a href="http://www.w3.org/TR/prov-dm/">http://www.w3.org/TR/prov-dm/</a>. \n' + 
+'      </p> \n' + 
+'    </div><div style="text-align: center;"> \n' + 
+'      <img src="images/Collections.png" alt="collections" /> Figure 9: \n' + 
+'      Collections Component Overview \n' + 
+'    </div><div class="anexample"> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(c0, [prov:type="prov:EmptyCollection" %% xsd:QName])  // c0 is an empty collection \n' + 
+'entity(c1, [prov:type="prov:Collection"  %% xsd:QName])      // c1 is a collection, with unknown content \n' + 
+'</pre> \n' + 
+'    </div><div class="attributes" id="attributes-derivedByInsertionFrom"> \n' + 
+'      <p> \n' + 
+'        An <dfn title="derivedByInsertionFrom">Insertion</dfn> relation<span class="withPn">, written <span class="pnExpression">derivedByInsertionFrom(id, \n' + 
+'        c2, c1, {(key_1, e_1), ..., (key_n, e_n)}, attrs)</span>,</span> has: \n' + 
+'      </p> \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">id</span>: an OPTIONAL identifier for the \n' + 
-'          association between the two entities; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="attribute">specializedEntity</span>: an identifier of the \n' + 
-'          specialized entity; \n' + 
+'          <span class="attribute" id="derivedByInsertionFrom.id">id</span>: an \n' + 
+'          OPTIONAL identifier identifying the relation; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">generalEntity</span>: an identifier of the \n' + 
-'          entity that is being specialized; \n' + 
+'          <span class="attribute" id="derivedByInsertionFrom.after">after</span>: \n' + 
+'          an identifier (<span class="name">c2</span>) for the collection <em>after</em> \n' + 
+'          insertion; \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="attribute">attributes</span>: an OPTIONAL set of \n' + 
-'          attribute-value pairs to further describe this relation. \n' + 
+'          <span class="attribute" id="derivedByInsertionFrom.before">before</span>: \n' + 
+'          an identifier (<span class="name">c1</span>) for the collection <em>before</em> \n' + 
+'          insertion; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByInsertionFrom.key-entity-set">key-entity-set</span>: \n' + 
+'          the inserted key-entity pairs <span class="name">(key_1, e_1)</span>, \n' + 
+'          ..., <span class="name">(key_n, e_n)</span> in which each <span class="name">key_i</span> is a <a>value</a>, and <span class="name">e_i</span> \n' + 
+'          is an identifier for the entity that has been inserted with the key; \n' + 
+'          each <span class="name">key_i</span> is expected to be unique for the \n' + 
+'          key-entity-set; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByInsertionFrom.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this relation. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
-'    </div><div class="anexample" id="anexample-specialization"> \n' + 
+'    </div><div class="anexample"> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(c0, [prov:type="prov:EmptyCollection" %% xsd:QName])    // c0 is an empty collection \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+'entity(e3) \n' + 
+'entity(c1, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+'entity(c2, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+' \n' + 
+'derivedByInsertionFrom(c1, c0, {("k1", e1), ("k2", e2)})        \n' + 
+'derivedByInsertionFrom(c2, c1, {("k3", e3)})     \n' + 
+'</pre> \n' + 
+'      From this set of descriptions, we conclude: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="name">c0</span> is the set <span class="name">{ }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c1</span> is the set <span class="name">{ ("k1", \n' + 
+'          e1), ("k2", e2) }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c2</span> is the set <span class="name">{ ("k1", \n' + 
+'          e1), ("k2", e2), ("k3", e3) }</span> \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample"> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(c0, [prov:type="prov:EmptyCollection" %% xsd:QName])    // c0 is an empty collection \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+'entity(e3) \n' + 
+'entity(c1, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+'entity(c2, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+' \n' + 
+'derivedByInsertionFrom(c1, c0, {("k1", e1), ("k2", e2)})        \n' + 
+'derivedByInsertionFrom(c2, c1, {("k1", e3)})     \n' + 
+'</pre> \n' + 
+'      This is a case of <em>update</em> of <span class="name">e1</span> to <span class="name">e3</span> for the same key, <span class="name">"k1"</span>. \n' + 
+'      <br /> From this set of descriptions, we conclude: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="name">c0</span> is the set <span class="name">{ }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c1</span> is the set <span class="name">{ ("k1", \n' + 
+'          e1), ("k2", e2) }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c2</span> is the set <span class="name">{ ("k1", \n' + 
+'          e3), ("k2", e2) }</span> \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="attributes" id="attributes-derivedByRemovalFrom"> \n' + 
 '      <p> \n' + 
-'        The following expressions describe two persons, the second of which is \n' + 
-'        holder of a Twitter account. The second entity is a specialization of \n' + 
-'        the first. \n' + 
+'        A <dfn title="derivedByRemovalFrom">Removal</dfn> relation, written \n' + 
+'        <span class="pnExpression">derivedByRemovalFrom(id, c2, c1, {key_1, ... \n' + 
+'        key_n}, attrs)</span>, has: \n' + 
+'      </p> \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByRemovalFrom.id">id</span>: an \n' + 
+'          OPTIONAL identifier identifying the relation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByRemovalFrom.after">after</span>: \n' + 
+'          an identifier (<span class="name">c2</span>) for the collection <em>after</em> \n' + 
+'          the deletion; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByRemovalFrom.before">before</span>: \n' + 
+'          an identifier (<span class="name">c1</span>) for the collection <em>before</em> \n' + 
+'          the deletion; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByRemovalFrom.key-set">key-set</span>: \n' + 
+'          a set of deleted keys <span class="name">key_1</span>, ..., <span class="name">key_n</span>, for which each <span class="name">key_i</span> \n' + 
+'          is a <a>value</a>; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="derivedByRemovalFrom.attributes">attributes</span>: \n' + 
+'          an OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this relation. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample"> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(c0, [prov:type="prov:EmptyCollection"])    // c0 is an empty collection \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+'entity(e3) \n' + 
+'entity(c1, [prov:type="prov:Collection"]) \n' + 
+'entity(c2, [prov:type="prov:Collection"]) \n' + 
+' \n' + 
+'derivedByInsertionFrom(c1, c0, {("k1", e1), ("k2",e2)})        \n' + 
+'derivedByInsertionFrom(c2, c1, {("k3", e3)}) \n' + 
+'derivedByRemovalFrom(c3, c2, {"k1", "k3"})    \n' + 
+'</pre> \n' + 
+'      From this set of descriptions, we conclude: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="name">c0</span> is the set <span class="name">{ }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c1</span> is the set <span class="name">{ ("k1", \n' + 
+'          e1), ("k2", e2) }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c2</span> is the set <span class="name">{ ("k1", \n' + 
+'          e1), ("k2", e2), ("k3", e3) }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c3</span> is the set <span class="name">{ ("k2", \n' + 
+'          e2) }</span> \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="attributes" id="attributes-memberOf"> \n' + 
+'      A <dfn title="memberOf">membership</dfn> relation, written <span class="pnExpression">memberOf(id, c, {(key_1, e_1), ..., (key_n, e_n)}, \n' + 
+'      attrs)</span>, has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="memberOf.id">id</span>: an OPTIONAL \n' + 
+'          identifier identifying the relation; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="memberOf.after">after</span>: an \n' + 
+'          identifier (<span class="name">c</span>) for the collection whose \n' + 
+'          members are asserted; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="memberOf.key-entity-set">key-entity-set</span>: \n' + 
+'          a set of key-entity pairs <span class="name">(key_1, e_1)</span>, ..., \n' + 
+'          <span class="name">(key_n, e_n)</span> that are members of the \n' + 
+'          collection; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="memberOf.complete">complete</span>: an \n' + 
+'          OPTIONAL boolean <a title="value">Value</a>; if true, it indicates \n' + 
+'          that no other member belongs to the collection; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="memberOf.attributes">attributes</span>: an \n' + 
+'          OPTIONAL set (<span class="name">attrs</span>) of attribute-value \n' + 
+'          pairs representing additional information about this relation. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample"> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(c1, [prov:type="prov:Collection"  %% xsd:QName])    // c1 is a collection, with unknown content \n' + 
+'entity(c2, [prov:type="prov:Collection"  %% xsd:QName])    // c2 is a collection, with unknown content \n' + 
+' \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+' \n' + 
+'memberOf(c1, {("k1", e1), ("k2", e2)} )   \n' + 
+'memberOf(c2, {("k1", e1), ("k2", e2)}, true)   \n' + 
+' \n' + 
+'entity(e3) \n' + 
+'entity(c3, [prov:type="prov:Collection"  %% xsd:QName]) \n' + 
+' \n' + 
+'derivedByInsertionFrom(c3, c1, {("k3", e3)})      \n' + 
+'</pre> \n' + 
+'      From these descriptions, we conclude: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="name">c1</span> has the following pairs as members: <span class="name">("k1", e1), ("k2", e2)</span>, and may contain others. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c2</span> exactly has the following pairs as \n' + 
+'          members: <span class="name">("k1", e1), ("k2", e2)</span>, and does \n' + 
+'          not contain any other. \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c3</span> has the following pairs as members: <span class="name">("k1", e1), ("k2", e2), ("k3", v3)</span>, and may \n' + 
+'          contain others. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'      <p> \n' + 
+'        Thus, the states of <span class="name">c1</span> and <span class="name">c3</span> \n' + 
+'        are only partially known. \n' + 
+'      </p> \n' + 
+'    </div><div class="attributes" id="attributes-note"> \n' + 
+'      A <dfn title="dfn-note" id="dfn-note">note</dfn><span class="withPn">, \n' + 
+'      written <span class="pnExpression">note(id, [attr1=val1, ...])</span> in \n' + 
+'      PROV-N,</span> has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="note.id">id</span>: an identifier for a \n' + 
+'          note; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="note.attributes">attributes</span>: a set \n' + 
+'          of attribute-value pairs ((<span class="name">attr1</span>, <span class="name">val1</span>), ...) representing application-specific \n' + 
+'          information. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><div class="anexample" id="anexample-note1"> \n' + 
+'      <p> \n' + 
+'        The following note consists of a set of application-specific \n' + 
+'        attribute-value pairs, intended to help the rendering of the \n' + 
+'        pre-existing entity it is associated with, by specifying its color and \n' + 
+'        its position on the screen. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'entity(ex:Bob, [ prov:type="person", ex:name="Bob" ]) \n' + 
-'entity(twitter:XYZ, [ prov:type="person with Twitter account" ]) \n' + 
-'specializationOf(twitter:XYZ, ex:Bob) \n' + 
+'note(ex:n1,[ex:color="blue", ex:screenX=20, ex:screenY=30]) \n' + 
+'hasAnnotation(tr:WD-prov-dm-20111215,ex:n1) \n' + 
 '</pre> \n' + 
-'    </div><div class="issue"> \n' + 
-'      A discussion on alternative definition of these relations has not yet \n' + 
-'      reached a satisfactory conclusion. This is <a href="http://www.w3.org/2011/prov/track/issues/29">ISSUE-29</a>. Also <a href="http://www.w3.org/2011/prov/track/issues/96">ISSUE-96</a>. \n' + 
-'    </div><div class="glossary" id="glossary-annotation"> \n' + 
-'      An <dfn title="concept-annotation">annotation</dfn> is a link between \n' + 
-'      something that is identifiable and a note referred to by its identifier. \n' + 
+'      <p> \n' + 
+'        The note is linked to the entity <span class="name">tr:WD-prov-dm-20111215</span>, \n' + 
+'        with relation <a title="annotation">hasAnnotation</a> discussed in <a href="#term-annotation">Section 4.6.2</a>. The note\'s identifier and \n' + 
+'        attributes are declared in the namespace denoted by prefix <span class="name">ex</span> to illustrate that the rendering application may \n' + 
+'        differ from the application involving entity <span class="name">tr:WD-prov-dm-20111215</span>. \n' + 
+'      </p> \n' + 
+'    </div><div class="anexample" id="anexample-note2"> \n' + 
+'      <p> \n' + 
+'        Alternatively, a reputation service may enrich an existing provenance \n' + 
+'        record with notes providing reputation ratings about agents. In the \n' + 
+'        following fragment, both agents <span class="name">ex2:Simon</span> and \n' + 
+'        <span class="name">ex2:Paolo</span> are rated "excellent". \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'note(ex3:n2,[ex3:reputation="excellent"]) \n' + 
+'hasAnnotation(ex2:Simon,ex3:n2) \n' + 
+'hasAnnotation(ex2:Paolo,ex3:n2) \n' + 
+'</pre> \n' + 
+'      <p> \n' + 
+'        The note\'s identifier and attributes are declared in a separate \n' + 
+'        namespace denoted by prefix <span class="name">ex3</span>. \n' + 
+'      </p> \n' + 
+'    </div><div class="attributes" id="attributes-annotation"> \n' + 
+'      An <dfn title="hasAnnotation">annotation relation</dfn><span class="withPn">, \n' + 
+'      written <span class="pnExpression">hasAnnotation(r,n)</span> in PROV-N,</span> \n' + 
+'      has: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="annotation.id">something</span>: the \n' + 
+'          identifier (<span class="name">r</span>) of something being annotated; \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="attribute" id="annotation.note">note</span>: an \n' + 
+'          identifier (<span class="name">n</span>) of a note. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
 '        The following expressions \n' + 
@@ -683,47 +1698,56 @@
 '      </p> \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
-'        The following activity start describes the role of the agent identified \n' + 
-'        by <span class="name">ag</span> in this start relation with activity \n' + 
-'        <span class="name">a</span>. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'   wasStartedBy(a,ag, [prov:role="program-operator"]) \n' + 
-'</pre> \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
-'        The following describes an agent of type software agent. \n' + 
+'        The following entity is provided with a label attribute. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'   agent(ag, [prov:type="prov:ComputingSystem" %% xsd:QName]) \n' + 
+' entity(ex:e1, [prov:label="This is a label"]) \n' + 
 '</pre> \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
-'        The following expression declares an imprecise-1 derivation, which is \n' + 
-'        known to involve one activity, though its identity, usage details of \n' + 
-'        <span class="name">ex:e1</span>, and generation details of <span class="name">ex:e2</span> are not explicit. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'   wasDerivedFrom(ex:e2, ex:e1, [prov:steps="single"]) \n' + 
-'</pre> \n' + 
-'    </div><div class="issue"> \n' + 
-'      This is <a href="http://www.w3.org/2011/prov/track/issues/219">ISSUE-219</a>. \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
 '        The following expression describes entity Mona Lisa, a painting, with a \n' + 
 '        location attribute. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
 ' entity(ex:MonaLisa, [prov:location="Le Louvres, Paris", prov:type="StillImage"]) \n' + 
 '</pre> \n' + 
-'    </div><div class="note"> \n' + 
-'      Usually, in programming languages, Literal are a notation for values. So, \n' + 
-'      Literals should probably be moved to the serialization. Here, instead, we \n' + 
-'      should define the types of values. Thoughts? \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
-'        The following examples respectively are the string "abc", the string \n' + 
-'        "abc", the integer number 1, and the IRI "http://example.org/foo". \n' + 
+'        The following activity is associated with an agent acting as the \n' + 
+'        operator. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+' wasAssociatedWith(a, ag, [prov:role="operator"]) \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        The following describes an agent of type software agent. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'   agent(ag, [prov:type="prov:SoftwareAgent" %% xsd:QName]) \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        The following example illustrates the provenance of the number <span class="name">4</span> obtained by an activity that computed the length \n' + 
+'        of an input string <span class="name">"abcd"</span>. The input and the \n' + 
+'        output are expressed as entities <span class="name">ex:in</span> and \n' + 
+'        <span class="name">ex:out</span>, respectively. They each have a <span class="name">prov:value</span> attribute associated with the \n' + 
+'        corresponding value. \n' + 
+'      </p> \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(ex:in, [prov:value="abcd"])  \n' + 
+'entity(ex:out, [prov:value=4])  \n' + 
+'activity(ex:len, [prov:type="string-length"]) \n' + 
+'used(ex:len,ex:in) \n' + 
+'wasGeneratedBy(ex:out,ex:len) \n' + 
+'wasDerivedFrom(ex:out,ex:in) \n' + 
+'</pre> \n' + 
+'    </div><div class="note"> \n' + 
+'      Should we also have prov:encoding? \n' + 
+'    </div><div class="anexample" id="anexample-value"> \n' + 
+'      <p> \n' + 
+'        The following examples respectively are the string "abc", the integer \n' + 
+'        number 1, and the IRI "http://example.org/foo". \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
 '  "abc" \n' + 
@@ -731,149 +1755,45 @@
 '  "http://example.org/foo" %% xsd:anyURI \n' + 
 '</pre> \n' + 
 '      <p> \n' + 
-'        The following example shows a literal of type <span class="name">xsd:QName</span> \n' + 
+'        The following example shows a value of type <span class="name">xsd:QName</span> \n' + 
 '        (see <a href="http://www.w3.org/TR/2004/REC-xmlschema-2-20041028/#QName">QName</a> \n' + 
 '        [[!XMLSCHEMA-2]]). The prefix <span class="name">ex</span> MUST be bound \n' + 
 '        to a <a>namespace</a> declared in a <a>namespace declaration</a>. \n' + 
 '      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
+'<pre class="codeexample" xml:space="preserve">  \n' + 
 '  "ex:value" %% xsd:QName \n' + 
 '</pre> \n' + 
-'    </div><div class="note"> \n' + 
-'      It\'s a legacy of the charter that time is a top level section. Time is a \n' + 
-'      specific kind of value, and should be folded into the "value" section. \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
-'        Revisiting the example of <a href="#section-example-a">Section 3.1</a>, \n' + 
-'        we can now state that the report <span class="name">tr:WD-prov-dm-20111215</span> \n' + 
-'        is a revision of the report <span class="name">tr:WD-prov-dm-20111018</span>, \n' + 
-'        approved by agent <span class="name">w3:Consortium</span>. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'entity(tr:WD-prov-dm-20111215, [ prov:type="pr:RecsWD" %% xsd:QName ]) \n' + 
-'entity(tr:WD-prov-dm-20111018, [ prov:type="pr:RecsWD" %% xsd:QName ]) \n' + 
-'wasRevisionOf(tr:WD-prov-dm-20111215, tr:WD-prov-dm-20111018, w3:Consortium) \n' + 
-'</pre> \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
-'        Revisiting the example of <a href="#section-example-b">Section 3.2</a>, \n' + 
-'        we can ascribe <span class="name">tr:WD-prov-dm-20111215</span> to some \n' + 
-'        agents without having to make an activity explicit. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'agent(ex:Paolo, [ prov:type="Human" ]) \n' + 
-'agent(ex:Simon, [ prov:type="Human" ]) \n' + 
-'entity(tr:WD-prov-dm-20111215, [ prov:type="pr:RecsWD" %% xsd:QName ]) \n' + 
-'wasAttributedTo(tr:WD-prov-dm-20111215, ex:Paolo, [prov:role="editor"]) \n' + 
-'wasAttributedTo(tr:WD-prov-dm-20111215, ex:Simon, [prov:role="contributor"]) \n' + 
-'</pre> \n' + 
-'    </div><div class="anexample"> \n' + 
+'    </div><div class="anexample" id="anexample-time"> \n' + 
 '      <p> \n' + 
-'        Consider two long running services, which we represent by activities \n' + 
-'        <span class="name">s1</span> and <span class="name">s2</span>. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'activity(s1,,,[prov:type="service"]) \n' + 
-'activity(s2,,,[prov:type="service"]) \n' + 
-'wasInformedBy(s2,s1) \n' + 
-'</pre> \n' + 
-'      The last line indicates that some entity was generated by <span class="name">s1</span> and used by <span class="name">s2</span>. \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
-'        Suppose activities <span class="name">a1</span> and <span class="name">a2</span> \n' + 
-'        are computer processes that are executed on different hosts, and that \n' + 
-'        <span class="name">a1</span> started <span class="name">a2</span>. This \n' + 
-'        can be expressed as in the following fragment: \n' + 
+'        In the following example, the generation time of entity <span class="name">e1</span> is expressed according to <a href="http://www.w3.org/TR/xmlschema-2/#dateTime">xsd:dateTime</a> \n' + 
+'        [[!XMLSCHEMA-2]]. \n' + 
 '      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'activity(a1,t1,t2,[ex:host="server1.example.org",prov:type="workflow"]) \n' + 
-'activity(a2,t3,t4,[ex:host="server2.example.org",prov:type="subworkflow"]) \n' + 
-'wasStartedBy(a2,a1) \n' + 
-'</pre> \n' + 
-'    </div><div class="anexample"> \n' + 
-'      <p> \n' + 
-'        We refer to the example of <a href="#section-example-a">Section 3.1</a>, \n' + 
-'        and specifically to <a href="#prov-tech-report">Figure prov-tech-report</a>. \n' + 
-'        We can see that there is a path from <span class="name">tr:WD-prov-dm-20111215</span> \n' + 
-'        to <span class="name">w3:Consortium</span> or to <span class="name">pr:rec-advance</span>. \n' + 
-'        This is expressed as follows. \n' + 
-'      </p> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-' tracedTo(tr:WD-prov-dm-20111215,w3:Consortium) \n' + 
-' tracedTo(tr:WD-prov-dm-20111215,pr:rec-advance) \n' + 
+'<pre class="codeexample" xml:space="preserve">  \n' + 
+'  wasGeneratedBy(e1,a1, 2001-10-26T21:32:52) \n' + 
 '</pre> \n' + 
 '    </div><div class="note"> \n' + 
-'      I propose to delete the following, given that this document does not \n' + 
-'      mention inferences. [LM] \n' + 
-'      <p> \n' + 
-'        Further considerations: \n' + 
-'      </p> \n' + 
-'      <ul> \n' + 
-'        <li> \n' + 
-'          Traceability is more general than <a href="#Derivation-Relation">Derivation</a>. \n' + 
-'          This means that an assertion of the form: <span class="name">tracedTo(...,e2,e1,...)</span> \n' + 
-'          can be inferred from an assertion of the form: <span class="name">wasDerivedFrom(e2,e1,..)</span>. \n' + 
-'          The precise inference rules are specified in [REF]. \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          Traceability is related to responsibility by way of inference rules \n' + 
-'          that involve <a href="#term-responsibility">responsibility chain</a> \n' + 
-'          and <a href="#term-Generation">generation</a> relations. These rules \n' + 
-'          are specified in [REF] \n' + 
-'        </li> \n' + 
-'      </ul> \n' + 
-'    </div><div class="note"> \n' + 
-'      looking at the definition, there is something wrong. It\'s not true that e2 \n' + 
-'      was neceaary for e1 (in the transitive case) and that e1 bears \n' + 
-'      responsibility. [LM] \n' + 
-'    </div><div class="note"> \n' + 
-'      I find that quotation is really a misnomer. This expands into derivation \n' + 
-'      with attribution, in what sense is the derived entity a "quote" of the \n' + 
-'      original? . The agent that is quoted is particularly obscure. It does not \n' + 
-'      seem to be involved in the quoting at all. Why isn\'t quoting an activity \n' + 
-'      with the quoting agent associated with it? [PM] \n' + 
-'    </div><div class="note"> \n' + 
-'      Omitted as this is likely to be removed [PM] \n' + 
-'    </div><div class="issue"> \n' + 
-'      Drop this relation <a href="http://www.w3.org/2011/prov/track/issues/220">ISSUE-220</a>. \n' + 
-'    </div><div class="note"> \n' + 
-'      I find this relation confusing. Please add an example. I wouldn\'t really \n' + 
-'      know when to use this. [PM] \n' + 
-'    </div><div class="anexample"> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'   entity(c, [prov:type="EmptyCollection"])    // e is an empty collection \n' + 
-'   entity(v1) \n' + 
-'   entity(v2) \n' + 
-'   entity(c1, [prov:type="Collection"]) \n' + 
-'   entity(c2, [prov:type="Collection"]) \n' + 
-'   \n' + 
-'  CollectionAfterInsertion(c1, c, "k1", v1)       // c1 = { ("k1",v1) } \n' + 
-'  CollectionAfterInsertion(c2, c1, "k2", v2)      // c2 = { ("k1",v1), ("k2", v2) } \n' + 
-'  CollectionAfterRemoval(c3, c2, k1)              // c3 = { ("k2",v2) } \n' + 
+'      We need to check that we are including all xsd types that are the latest \n' + 
+'      versions of XML Schema/RDF. \n' + 
+'    </div><div class="anexample" id="anexample-sub-relation"> \n' + 
+'          <p> \n' + 
+'            In the following example, <span class="name">e2</span> is a \n' + 
+'            translation of <span class="name">e1</span>, expressed as a sub-type \n' + 
+'            of derivation. \n' + 
+'          </p> \n' + 
+'<pre class="codeexample" xml:space="preserve">  \n' + 
+'  wasDerivedFrom(e2,e1, [prov:type="ex:Translation" %% xsd:QName]) \n' + 
 '</pre> \n' + 
-'    </div><div class="note"> \n' + 
-'      I propose to call them afterInsertion instead of CollectionAfterInsertion \n' + 
-'      (likewise, for deletion). What about attributes and optional Id? \n' + 
-'    </div><div class="note"> \n' + 
-'      Deleted further items. Some of them are constraints which belong to part \n' + 
-'      2. \n' + 
-'    </div><div id="glossary_div" class="remove"> \n' + 
+'        </div><div class="anexample" id="anexample-sub-type"> \n' + 
+'          <p> \n' + 
+'            In the following example, <span class="name">e</span> is described \n' + 
+'            as a Car, a type of entity. \n' + 
+'          </p> \n' + 
+'<pre class="codeexample" xml:space="preserve">  \n' + 
+'  entity(e, [prov:type="ex:Car" %% xsd:QName]) \n' + 
+'</pre> \n' + 
+'        </div><div id="glossary_div" class="remove"> \n' + 
 '      <!--  glossary loaded from glossary.js will be hooked up here, class \n' + 
 '        remove, will remove this element from the final output. --> \n' + 
-'    </div><div class="note"> \n' + 
-'      TO EDIT \n' + 
-'    </div><div class="note"> \n' + 
-'      TO EDIT \n' + 
-'    </div><div class="buttonpanel"> \n' + 
-'      <form action="#"> \n' + 
-'        <p> \n' + 
-'          <input id="hide-bnf" onclick="set_display_by_class(\'div\',\'grammar\',\'none\'); set_display_by_id(\'hide-bnf\',\'none\');  set_display_by_id(\'show-bnf\',\'\');" type="button" value="Hide Grammar" /> <input id="show-bnf" onclick="set_display_by_class(\'div\',\'grammar\',\'\'); set_display_by_id(\'hide-bnf\',\'\');  set_display_by_id(\'show-bnf\',\'none\');" style="display: none" type="button" value="Show Grammar" /> <input id="hide-examples" onclick="set_display_by_class(\'div\',\'anexample\',\'none\'); set_display_by_id(\'hide-examples\',\'none\'); set_display_by_id(\'show-examples\',\'\');" type="button" value="Hide Examples" /> <input id="show-examples" onclick="set_display_by_class(\'div\',\'anexample\',\'\'); set_display_by_id(\'hide-examples\',\'\'); set_display_by_id(\'show-examples\',\'none\');" style="display: none" type="button" value="Show Examples" /> \n' + 
-'        </p> \n' + 
-'      </form> \n' + 
-'    </div><div class="note"> \n' + 
-'      TODO \n' + 
-'    </div><div class="note"> \n' + 
-'      Tentative definition of destruction! \n' + 
 '    </div><div class="anexample" id="a-report-example"> \n' + 
 '      Different users may take different perspectives on a resource with a URL. \n' + 
 '      For each perspective, an entity may be expressed: \n' + 
@@ -914,17 +1834,13 @@
 '      A file at some point during its lifecycle, which includes multiple edits \n' + 
 '      by multiple people, can be described by its type, its location in the file \n' + 
 '      system, a creator, and content. \n' + 
-'    </div><div class="issue"> \n' + 
-'      We need to refine the definition of entity and activity, and all the \n' + 
-'      concepts in general. This is <a href="http://www.w3.org/2011/prov/track/issues/223">ISSUE-223</a>. \n' + 
 '    </div><div class="note"> \n' + 
-'      The last point is important and needs to be discussed by the Working \n' + 
-'      Group. It indicates that within an account: \n' + 
+'      The last point is important. It indicates that within an account: \n' + 
 '      <ul> \n' + 
 '        <li> \n' + 
 '          It is always possible to add new provenance descriptions, e.g. stating \n' + 
-'          that a given entity was used by an activity. This is very much an open \n' + 
-'          world assumption. \n' + 
+'          that a given entity was used by an activity, or derived from another. \n' + 
+'          This is very much an open world assumption. \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
 '          It is not permitted to add new attributes to a given entity (a form of \n' + 
@@ -934,146 +1850,93 @@
 '          (cf Example <a href="#merge-with-rename">merge-with-rename</a>). \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
-'    </div><div class="note"> \n' + 
-'      <p> \n' + 
-'        Overview the kind of constraints \n' + 
-'      </p> \n' + 
-'      <ul> \n' + 
-'        <li> \n' + 
-'          Definitional constraints (<a href="#definitional-constraints">Section \n' + 
-'          4</a>) \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          Account constraints (<a href="#account-constraints">Section 5</a>) \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          Event ordering constraints (<a href="#interpretation">Section 6</a>) \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          Structural constraints (<a href="#structural-constraints">Section 7</a>) \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          Collection constraints (<a href="#collection-constraints">Section 8</a>) \n' + 
-'        </li> \n' + 
-'      </ul> \n' + 
-'    </div><div class="note"> \n' + 
-'      Proposing to remove the subsections in this section, since some have no \n' + 
-'      constraints. \n' + 
-'    </div><div class="issue"> \n' + 
-'      There is still some confusion about what the identifiers really denote. \n' + 
-'      For instance, are they entity identifiers or entity record identifiers. \n' + 
-'      This is <a href="http://www.w3.org/2011/prov/track/issues/183">ISSUE-183</a>. \n' + 
-'      An example and questions appear in <a href="http://www.w3.org/2011/prov/track/issues/215">ISSUE-215</a>. A \n' + 
-'      related issued is also raised in <a href="http://www.w3.org/2011/prov/track/issues/145">ISSUE-145</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      The characterization interval of an entity record is currently implicit. \n' + 
-'      Making it explicit would allow us to define alternateOf and \n' + 
-'      specializationOf more precisely. Beginning and end of characterization \n' + 
-'      interval could be expressed by attributes (similarly to activities). How \n' + 
-'      do we define the end of an entity? This is <a href="http://www.w3.org/2011/prov/track/issues/204">ISSUE-204</a>. \n' + 
+'    </div><div class="interpretation-forward"> \n' + 
+'      For the interpretation of an entity, see <a href="#usage-precedes-invalidation">usage-precedes-invalidation</a>. \n' + 
 '    </div><div class="interpretation-forward"> \n' + 
 '      For the interpretation of an activity, see <a href="#start-precedes-end">start-precedes-end</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Shouldn\'t we allow for entities (not agent) to be associated with an \n' + 
-'      activity? Should we drop the inference association-agent? <a href="http://www.w3.org/2011/prov/track/issues/203">ISSUE-203</a>. \n' + 
-'      <p> \n' + 
-'        One can assert an agent record or alternatively, one can infer an agent \n' + 
-'        record by its association with an activity. \n' + 
-'      </p> \n' + 
-'      <div class="inference" id="association-agent"> \n' + 
-'        <span class="conditional">If</span> the records <span class="name">entity(e,attrs)</span> \n' + 
-'        and <span class="name">wasAssociatedWith(a,e)</span> hold for some \n' + 
-'        identifiers <span class="name">a</span>, <span class="name">e</span>, \n' + 
-'        and attribute-values <span class="name">attrs</span>, then the record \n' + 
-'        <span class="name">agent(e,attrs)</span> also holds. \n' + 
-'      </div> \n' + 
-'    </div><div class="inference" id="association-agent"> \n' + 
-'        <span class="conditional">If</span> the records <span class="name">entity(e,attrs)</span> \n' + 
-'        and <span class="name">wasAssociatedWith(a,e)</span> hold for some \n' + 
-'        identifiers <span class="name">a</span>, <span class="name">e</span>, \n' + 
-'        and attribute-values <span class="name">attrs</span>, then the record \n' + 
-'        <span class="name">agent(e,attrs)</span> also holds. \n' + 
-'      </div><div class="interpretation-forward"> \n' + 
+'    </div><div class="interpretation-forward"> \n' + 
 '      For the interpretation of a generation, see <a href="#generation-within-activity">generation-within-activity</a>. \n' + 
+'    </div><div class="constraint" id="unique-generation-time"> \n' + 
+'      Given an entity denoted by <span class="name">e</span> and two time \n' + 
+'      instants <span class="name">t1</span> and <span class="name">t2</span>, \n' + 
+'      <span class="conditional">if</span> <span class="name">wasGeneratedBy(e, \n' + 
+'      -, t1)</span> and <span class="name">wasGeneratedBy(e, -, t2)</span> hold, \n' + 
+'      then <span class="name">t1</span>=<span class="name">t2</span>. \n' + 
 '    </div><div class="structural-forward"> \n' + 
-'      See <a href="#generation-uniqueness">generation-uniqueness</a> for a \n' + 
-'      structural constraint on generations. \n' + 
+'      See <a href="#generation-uniqueness">generation-uniqueness</a> for further \n' + 
+'      structural constraints on generations. \n' + 
 '    </div><div class="interpretation-forward"> \n' + 
 '      For the interpretation of a usage, see <a href="#generation-precedes-usage">generation-precedes-usage</a> \n' + 
 '      and <a href="#usage-within-activity">usage-within-activity</a>. \n' + 
+'    </div><div class="constraint" id="unique-startTime"> \n' + 
+'      Given an activity <span class="name">activity(a,t1,t2,attrs1)</span> and \n' + 
+'      its start <span class="name">wasStartedBy(id,a,e,t,attrs2)</span>, then \n' + 
+'      <span class="name">t</span>=<span class="name">t1</span>. \n' + 
+'    </div><div class="constraint" id="unique-endTime"> \n' + 
+'      Given an activity <span class="name">activity(a,t1,t2,attrs1)</span> and \n' + 
+'      its end <span class="name">wasEndedBy(id,a,e,t,attrs2)</span>, then <span class="name">t</span>=<span class="name">t2</span>. \n' + 
+'    </div><div class="constraint" id="wasInformedBy-Definition"> \n' + 
+'      Given two activities identified by <span class="name">a1</span> and <span class="name">a2</span>, <span class="name">wasInformedBy(a2,a1)</span> \n' + 
+'      holds, <span class="conditional">if and only if</span> there is an entity \n' + 
+'      with some identifier <span class="name">e</span> and some sets of \n' + 
+'      attribute-value pairs <span class="name">attrs1</span> and <span class="name">attrs2</span>, such that <span class="name">wasGeneratedBy(e,a1,-,attrs1)</span> \n' + 
+'      and <span class="name">used(a2,e,-,attrs2)</span> hold. \n' + 
 '    </div><div class="interpretation-forward"> \n' + 
-'      For the interpretation of an activity association, see <a href="#wasAssociatedWith-ordering">wasAssociatedWith-ordering</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      The activity association record does not allow for a plan to be asserted \n' + 
-'      without an agent. This seems over-restrictive. Discussed in the context of \n' + 
-'      <a href="http://www.w3.org/2011/prov/track/issues/203">ISSUE-203</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Agents should not be inferred. WasAssociatedWith should also work with \n' + 
-'      entities. This is <a href="http://www.w3.org/2011/prov/track/issues/206">ISSUE-206</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Should we define start/end records as representation of activity start/end \n' + 
-'      events. Should time be associated with these events rather than with \n' + 
-'      activities. This will be similar to what we do for entities. This is issue \n' + 
-'      <a href="http://www.w3.org/2011/prov/track/issues/207">ISSUE-207</a>. \n' + 
-'    </div><div class="inference" id="derivation-implications"> \n' + 
-'      Given two entities denoted by <span class="name">e1</span> and <span class="name">e2</span>, <span class="conditional">if</span> the assertion \n' + 
-'      <span class="name">wasDerivedFrom(e2, e1, a, g2, u1, attrs)</span> holds \n' + 
-'      for some generation identified by <span class="name">g2</span>, and usage \n' + 
-'      identified by <span class="name">u1</span>, then <span class="name">wasDerivedFrom(e2,e1,[prov:steps="single"] \n' + 
-'      cup; attrs)</span> also holds.<br /> Given two entities denoted by <span class="name">e1</span> and <span class="name">e2</span>, <span class="conditional">if</span> the assertion <span class="name">wasDerivedFrom(e2, \n' + 
-'      e1, [prov:steps="single"] cup; attrs)</span> holds, then <span class="name">wasDerivedFrom(e2,e1,attrs)</span> also holds.<br /> \n' + 
+'      For the interpretation of an information flow ordering, see <a href="#wasInformedBy-ordering">wasInformedBy-ordering</a>. \n' + 
+'    </div><div class="constraint" id="wasStartedBy"> \n' + 
+'      Given two activities with identifiers <span class="name">a1</span> and \n' + 
+'      <span class="name">a2</span>, <span class="name">wasStartedBy(a2,a1)</span> \n' + 
+'      holds <span class="conditional">if and only if</span> there exist an \n' + 
+'      entity with some identifier <span class="name">e</span> and some \n' + 
+'      attributes <span class="name">gAttr</span> and <span class="name">sAttr</span>, \n' + 
+'      such that <span class="name">wasGeneratedBy(e,a1,-,gAttr)</span> and <span class="name">wasStartedBy(a2,e,-,sAttr)</span> hold. \n' + 
+'    </div><div class="interpretation-forward"> \n' + 
+'      For the interpretation of a control flow ordering, see <a href="#wasStartedBy-ordering">wasStartedBy-ordering</a>. \n' + 
+'    </div><div class="inference" id="attribution-implication"> \n' + 
+'      <span class="conditional">If</span> <span class="name">wasAttributedTo(e,ag)</span> \n' + 
+'      holds for some identifiers <span class="name">e</span> and <span class="name">ag</span>, <span class="conditional">then</span> there exists \n' + 
+'      an activity with some identifier <span class="name">a</span> such that the \n' + 
+'      following statements hold: \n' + 
+'<pre xml:space="preserve"> \n' + 
+'activity(a, t1, t2, attr1) \n' + 
+'wasGenerateBy(e, a, -) \n' + 
+'wasAssociatedWith(a, ag, -, attr2) \n' + 
+'</pre> \n' + 
+'      for some sets of attribute-value pairs <span class="name">attr1</span> and \n' + 
+'      <span class="name">attr2</span>, time <span class="name">t1</span>, and \n' + 
+'      <span class="name">t2</span>. \n' + 
+'    </div><div class="interpretation-forward"> \n' + 
+'      For the interpretation of an association, see <a href="#wasAssociatedWith-ordering">wasAssociatedWith-ordering</a>. \n' + 
+'    </div><div class="interpretation-forward"> \n' + 
+'      For the interpretation of responsibility, see <a href="#actedOnBehalfOf-ordering">actedOnBehalfOf-ordering</a>. \n' + 
 '    </div><div class="interpretation-forward"> \n' + 
 '      For the interpretation of a derivation, see <a href="#derivation-usage-generation-ordering">derivation-usage-generation-ordering</a> \n' + 
 '      and <a href="#derivation-generation-generation-ordering">derivation-generation-generation-ordering</a> \n' + 
-'    </div><div class="inference" id="activity-introduction"> \n' + 
-'      <span class="conditional">If</span> <span class="name">wasDerivedFrom(e2,e1)</span> \n' + 
-'      holds, <span class="conditional">then</span> there exist an activity, with \n' + 
-'      identifier <span class="name">a</span>, a usage identified by <span class="name">u</span>, and a generation identified by <span class="name">g</span> \n' + 
-'      such that: \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'activity(a,aAttrs) \n' + 
-'wasGeneratedBy(g,e2,a,gAttrs) \n' + 
-'used(u,a,e1,uAttrs) \n' + 
-'</pre> \n' + 
-'      for sets of attribute-value pairs <span class="name">gAttrs</span>, <span class="name">uAttrs</span>, and <span class="name">aAttrs</span>. \n' + 
-'    </div><div class="inference" id="derivation-time-elimination"> \n' + 
-'      <span class="conditional">If</span> <span class="name">wasDerivedFrom(e2,e1,t,attrs)</span> \n' + 
-'      holds, <span class="conditional">then</span> the following expressions \n' + 
-'      also hold: <span class="name">wasDerivedFrom(e2,e1,attrs)</span> and <span class="name">wasGeneratedBy(e2,t)</span>. \n' + 
 '    </div><div class="structural-forward"> \n' + 
 '      See <a href="#derivation-use">derivation-use</a> for a structural \n' + 
 '      constraint on derivations. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Several points were raised about the attribute steps. Its name, its \n' + 
-'      default value <a href="http://www.w3.org/2011/prov/track/issues/180">ISSUE-180</a>. \n' + 
-'      <a href="http://www.w3.org/2011/prov/track/issues/179">ISSUE-179</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Emphasize the notion of \'affected by\' <a href="http://www.w3.org/2011/prov/track/issues/133">ISSUE-133</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      Simplify derivation <a href="http://www.w3.org/2011/prov/track/issues/249">ISSUE-249</a>. \n' + 
-'    </div><div class="note"> \n' + 
-'      In order to further convey the intended meaning, the following properties \n' + 
-'      are associated to these two relations. \n' + 
-'      <ul> \n' + 
-'        <li> \n' + 
-'          <span class="name">specializationOf(e2,e1)</span> is <strong>transitive</strong>: \n' + 
-'          <span class="name">specializationOf(e3,e2)</span> and <span class="name">specializationOf(e2,e1)</span> implies <span class="name">specializationOf(e3,e1)</span>. \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="name">specializationOf(e2,e1)</span> is <strong>anti-symmetric</strong>: \n' + 
-'          <span class="name">specializationOf(e2,e1)</span> implies that <span class="name">specializationOf(e1,e2)</span> does not hold. \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="name">alternateOf(e2,e1)</span> is <strong>symmetric</strong>: \n' + 
-'          <span class="name">alternateOf(e2,e1)</span> implies <span class="name">alternateOf(e1,e2)</span>. \n' + 
-'        </li> \n' + 
-'      </ul> \n' + 
-'      There are proposals to make alternateOf a transitive property. This is \n' + 
-'      still under discussion and the default is for alternateOf <strong>not</strong> \n' + 
-'      to be transitive, and this is what the current text reflects. \n' + 
-'    </div><div class="issue"> \n' + 
-'      A discussion on alternative definition of these relations has not reached \n' + 
-'      a satisfactory conclusion yet. This is <a href="http://www.w3.org/2011/prov/track/issues/29">ISSUE-29</a>. Also <a href="http://www.w3.org/2011/prov/track/issues/96">ISSUE-96</a>. \n' + 
+'    </div><div class="inference" id="wasRevision"> \n' + 
+'      Given two identifiers <span class="name">e1</span> and <span class="name">e2</span> \n' + 
+'      identifying two entities, and an identifier <span class="name">ag</span> \n' + 
+'      identifying an agent, <span class="conditional">if</span> <span class="name">wasRevisionOf(e2,e1,ag)</span> holds, <span class="conditional">then</span> there exists an entity with some \n' + 
+'      identifier <span class="name">e</span> and some attribute-values <span class="name">eAttrs</span>, <span class="name">dAttrs</span>, such that \n' + 
+'      the following hold: \n' + 
+'<pre xml:space="preserve"> \n' + 
+'wasDerivedFrom(e2,e1,dAttrs) \n' + 
+'entity(e,eAttrs) \n' + 
+'specializationOf(e2,e) \n' + 
+'specializationOf(e1,e) \n' + 
+'wasAttributedTo(e2,ag) \n' + 
+'</pre> \n' + 
+'    </div><div class="inference" id="quotation-implication"> \n' + 
+'      <span class="conditional">If</span> <span class="name">wasQuotedFrom(e2,e1,ag2,ag1,attrs)</span> \n' + 
+'      holds for some identifiers <span class="name">e2</span>, <span class="name">e1</span>, \n' + 
+'      <span class="name">ag2</span>, <span class="name">ag1</span>, <span class="conditional">then</span> the following hold: \n' + 
+'<pre xml:space="preserve"> \n' + 
+'wasDerivedFrom(e2,e1) \n' + 
+'wasAttributedTo(e2,ag2) \n' + 
+'wasAttributedTo(e1,ag1) \n' + 
+'</pre> \n' + 
 '    </div><div class="inference" id="traceability-inference"> \n' + 
 '      Given two identifiers <span class="name">e2</span> and <span class="name">e1</span> \n' + 
 '      for entities, the following statements hold: \n' + 
@@ -1090,24 +1953,20 @@
 '          also holds. \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="conditional">If</span> <span class="name">wasGeneratedBy(e2,a,gAttr) \n' + 
-'          and wasAssociatedWith(a,e1)</span> hold, for some <span class="name">a</span> \n' + 
-'          and <span class="name">gAttr</span>, <span class="conditional">then</span> \n' + 
-'          <span class="name">tracedTo(e2,e1)</span> also holds. \n' + 
+'          <span class="conditional">If</span> <span class="name">wasAttributedTo(e2,ag1,aAttr)</span> \n' + 
+'          holds, <span class="conditional">then</span> <span class="name">tracedTo(e2,ag1)</span> \n' + 
+'          also holds. \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="conditional">If</span> <span class="name">wasGeneratedBy(e2,a,gAttr)</span>, \n' + 
-'          <span class="name">wasAssociatedWith(a,e)</span> and <span class="name">actedOnBehalfOf(e,e1)</span> \n' + 
-'          hold, for some <span class="name">a</span>, <span class="name">e</span>, \n' + 
-'          and <span class="name">gAttr</span>, <span class="conditional">then</span> \n' + 
-'          <span class="name">tracedTo(e2,e1)</span> also holds. \n' + 
+'          <span class="conditional">If</span> <span class="name">wasAttributedTo(e2,ag2,aAttr)</span>, \n' + 
+'          <span class="name">wasGeneratedBy(e2,a,gAttr)</span>, and <span class="name">actedOnBehalfOf(ag2,ag1,a,rAttr)</span> hold, for some \n' + 
+'          <span class="name">a</span>, <span class="name">ag2</span>, <span class="name">ag1</span>, <span class="name">aAttr</span>, <span class="name">gAttr</span>, and <span class="name">rAttr</span>, <span class="conditional">then</span> <span class="name">tracedTo(e2,ag1)</span> \n' + 
+'          also holds. \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="conditional">If</span> <span class="name">wasGeneratedBy(e2,a,gAttr) \n' + 
-'          and wasStartedBy(a,e1,sAttr)</span> hold, for some <span class="name">a</span>, \n' + 
-'          <span class="name">e</span>, and <span class="name">gAttr</span>, and \n' + 
-'          <span class="name">sAttr</span>, <span class="conditional">then</span> \n' + 
-'          <span class="name">tracedTo(e2,e1)</span> also holds. \n' + 
+'          <span class="conditional">If</span> <span class="name">wasGeneratedBy(e2,a,gAttr)</span> \n' + 
+'          and <span class="name">wasStartedBy(a,e1,sAttr)</span> hold, for some \n' + 
+'          <span class="name">a</span>, <span class="name">gAttr</span> , <span class="name">sAttr</span> \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
 '          <span class="conditional">If</span> <span class="name">tracedTo(e2,e)</span> \n' + 
@@ -1135,90 +1994,56 @@
 '          holds, or \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="name">wasBasedOn(e<sup>i</sup>,e<sup>i+1</sup>)</span> \n' + 
+'          <span class="name">wasAttributedTo(e<sup>i</sup>,e<sup>i+1</sup>)</span> \n' + 
 '          holds, or \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
-'          <span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr) and \n' + 
-'          wasAssociatedWith(a,e<sup>i+1</sup>)</span> hold, for some <span class="name">a</span> and <span class="name">gAttr</span>, or \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr)</span>, <span class="name">wasAssociatedWith(a,e)</span> and <span class="name">actedOnBehalfOf(e,e<sup>i+1</sup>)</span> \n' + 
-'          hold, for some <span class="name">a</span>, <span class="name">e</span> \n' + 
-'          and <span class="name">gAttr</span>, or \n' + 
+'          <span class="name">wasAttributedTo(e<sup>i</sup>,e)</span>, <span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr)</span>, and <span class="name">actedOnBehalfOf(e,e<sup>i+1</sup>,a,rAttr)</span> hold, \n' + 
+'          for some <span class="name">a</span>, <span class="name">e</span> and \n' + 
+'          <span class="name">gAttr</span>, <span class="name">rAttr</span>, or \n' + 
 '        </li> \n' + 
 '        <li> \n' + 
 '          <span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr) and \n' + 
 '          wasStartedBy(a,e<sup>i+1</sup>,sAttr)</span> hold, for some <span class="name">a</span>, <span class="name">e</span>, and <span class="name">gAttr</span>, and <span class="name">sAttr</span>. \n' + 
 '        </li> \n' + 
 '      </ul> \n' + 
-'    </div><div class="constraint" id="wasInformedBy-Definition"> \n' + 
-'      Given two activities identified by <span class="name">a1</span> and <span class="name">a2</span>, <span class="name">wasInformedBy(a2,a1)</span> \n' + 
-'      holds, <span class="conditional">if and only if</span> there is an entity \n' + 
-'      with some identifier <span class="name">e</span> and some sets of \n' + 
-'      attribute-value pairs <span class="name">attrs1</span> and <span class="name">attrs2</span>, such that <span class="name">wasGeneratedBy(e,a1,attrs1)</span> \n' + 
-'      and <span class="name">used(a2,e,attrs2)</span> hold. \n' + 
-'    </div><div class="interpretation-forward"> \n' + 
-'      For the interpretation of an information flow ordering, see <a href="#wasInformedBy-ordering">wasInformedBy-ordering</a>. \n' + 
-'    </div><div class="constraint" id="wasStartedBy"> \n' + 
-'      Given two activities with identifiers <span class="name">a1</span> and \n' + 
-'      <span class="name">a2</span>, <span class="name">wasStartedBy(a2,a1)</span> \n' + 
-'      holds <span class="conditional">if and only if</span> there exist an \n' + 
-'      entity with some identifier <span class="name">e</span> and some \n' + 
-'      attributes <span class="name">gAttr</span> and <span class="name">sAttr</span>, \n' + 
-'      such that <span class="name">wasGeneratedBy(e,a1,gAttr)</span> and <span class="name">wasStartedBy(a2,e,sAttr)</span> hold. \n' + 
-'    </div><div class="interpretation-forward"> \n' + 
-'      For the interpretation of a control flow ordering, see <a href="#wasStartedBy-ordering">wasStartedBy-ordering</a>. \n' + 
-'    </div><div class="inference" id="wasRevision"> \n' + 
-'      Given two identifiers <span class="name">old</span> and <span class="name">new</span> \n' + 
-'      identifying two entities, and an identifier <span class="name">ag</span> \n' + 
-'      identifying an agent, <span class="conditional">if</span> <span class="name">wasRevisionOf(new,old,ag)</span> holds, <span class="conditional">then</span> there exists an entity with some \n' + 
-'      identifier <span class="name">e</span> and some attribute-values <span class="name">eAttrs</span>, <span class="name">dAttrs</span>, such that \n' + 
-'      the following hold: \n' + 
-'      <ul> \n' + 
-'        <li> \n' + 
-'          <span class="name">wasDerivedFrom(new,old,dAttrs)</span>; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="name">entity(e,eAttrs)</span>; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="name">specializationOf(new,e)</span>; \n' + 
-'        </li> \n' + 
-'        <li> \n' + 
-'          <span class="name">specializationOf(old,e)</span>. \n' + 
-'        </li> \n' + 
-'      </ul> \n' + 
-'      The derivation may be imprecise-1 or imprecise-n. \n' + 
-'    </div><div class="inference" id="attribution-implication"> \n' + 
-'      <span class="conditional">If</span> <span class="name">wasAttributedTo(e,ag)</span> \n' + 
-'      holds for some identifiers <span class="name">e</span> and <span class="name">ag</span>, <span class="conditional">then</span>, there \n' + 
-'      exists an activity with some identifier <span class="name">a</span> such \n' + 
-'      that the following statements hold: \n' + 
+'    </div><div class="anexample" id="anexample-not-symmetric"> \n' + 
+'      "Alice\'s toyota car on fifth Avenue" is a specialization of "Alice\'s \n' + 
+'      toyota car", but the converse does not hold. \n' + 
+'    </div><div class="anexample" id="anexample-specialization-not-anti-symmetric"> \n' + 
+'      anti-symmetric counter-example??? \n' + 
+'    </div><div class="anexample" id="anexample-specialization-is-transitive"> \n' + 
+'      A specialization of "this email message" would be, for example, the \n' + 
+'      "printed version on my desk", which is a specialization of "my thoughts on \n' + 
+'      this email thread". So, the "printed version on my desk" is also a \n' + 
+'      specialization "my thoughts on this email thread". \n' + 
+'    </div><div class="anexample" id="anexample-alternate-not-transitive1"> \n' + 
+'      <p> \n' + 
+'        At 6pm, the customer in a chair is a woman in a red dress, who happens \n' + 
+'        to be Alice. After she leaves, another customer arrives at 7pm, a man \n' + 
+'        with glasses, who happens to be Bob. Transitivity does not hold since \n' + 
+'        the <span class="name">womanInRedDress</span> is not alternate of <span class="name">customerInChairAt7pm</span>. \n' + 
+'      </p> \n' + 
 '<pre xml:space="preserve"> \n' + 
-'activity(a,t1,t2,attr1) \n' + 
-'wasGenerateBy(e,a) \n' + 
-'wasAssociatedWith(a,ag,attr2) \n' + 
+'alternate(womanInRedDress,customerInChairAt6pm) \n' + 
+'specialization(customerInChairAt6pm,Alice) \n' + 
+'specialization(womanInRedDress,Alice) \n' + 
+' \n' + 
+'alternate(manWithGlasses,customerInChairAt7pm) \n' + 
+'specialization(customerInChairAt7pm,Bob) \n' + 
+'specialization(manWithGlasses,Bob) \n' + 
+' \n' + 
+'alternate(customerInChairAt6pm, customerInChairAt7pm) \n' + 
+'specialization(customerInChairAt6pm, customerInChair) \n' + 
+'specialization(customerInChairAt7pm, customerInChair) \n' + 
 '</pre> \n' + 
-'      for some sets of attribute-value pairs <span class="name">attr1</span> and \n' + 
-'      <span class="name">attr2</span>, time <span class="name">t1</span>, and \n' + 
-'      <span class="name">t2</span>. \n' + 
-'    </div><div class="inference" id="quotation-implication"> \n' + 
-'      <span class="conditional">If</span> <span class="name">wasQuotedFrom(e2,e1,ag2,ag1,attrs)</span> \n' + 
-'      holds for some identifiers <span class="name">e2</span>, <span class="name">e1</span>, \n' + 
-'      <span class="name">ag2</span>, <span class="name">ag1</span>, <span class="conditional">then</span> the following hold: \n' + 
-'<pre xml:space="preserve"> \n' + 
-'wasDerivedFrom(e2,e1) \n' + 
-'wasAttributedTo(e2,ag2) \n' + 
-'wasAttributedTo(e1,ag1) \n' + 
-'</pre> \n' + 
-'    </div><div class="issue"> \n' + 
-'      Drop this relation <a href="http://www.w3.org/2011/prov/track/issues/220">ISSUE-220</a>. \n' + 
+'    </div><div class="anexample"> \n' + 
+'      Two copies of the same book, where copy A was destroyed before copy B was \n' + 
+'      made. \n' + 
 '    </div><div class="anexample" id="example-two-entities-one-id"> \n' + 
 '      <p> \n' + 
 '        Let us consider two descriptions of a same entity, which we have taken \n' + 
-'        from two different contexts (see example). A working draft published by \n' + 
-'        the <span class="name">w3:Consortium</span>: \n' + 
+'        from two different contexts. A working draft published by the <span class="name">w3:Consortium</span>: \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
 'entity(tr:WD-prov-dm-20111215, [ prov:type="pr:RecsWD" %% xsd:QName ]) \n' + 
@@ -1229,19 +2054,20 @@
 '</pre> \n' + 
 '      <p> \n' + 
 '        Both descriptions are about the same entity identified by <span class="name">tr:WD-prov-dm-20111215</span>, but they contain different \n' + 
-'        attributes, reflecting the context in which they occur. \n' + 
+'        attributes, describing the situation or partial state of the these \n' + 
+'        entities according to the context in which they occur. \n' + 
 '      </p> \n' + 
 '    </div><div class="constraint" id="unique-description-in-account"> \n' + 
 '      <p> \n' + 
 '        Given an entity identifier <span class="name">e</span>, there is at most \n' + 
-'        one description <span class="name">entity(e,av)</span> occurring in a \n' + 
-'        given account, where <span class="name">av</span> is some set of \n' + 
+'        one description <span class="name">entity(e,attrs)</span> occurring in a \n' + 
+'        given account, where <span class="name">attrs</span> is some set of \n' + 
 '        attribute-values. Other descriptions of the same entity can exist in \n' + 
 '        different accounts. \n' + 
 '      </p> \n' + 
 '      <p> \n' + 
-'        This constraint similarly applies to all other types of identifiable \n' + 
-'        entities and relations. \n' + 
+'        This constraint similarly applies to all other types and relations, with \n' + 
+'        explicit identity. \n' + 
 '      </p> \n' + 
 '    </div><div class="structural-forward"> \n' + 
 '      See Section <a href="#structural-constraints">structural-constraints</a> \n' + 
@@ -1262,11 +2088,14 @@
 '    </div><div class="interpretation" id="generation-precedes-usage"> \n' + 
 '      For any entity, the following ordering constraint holds: the <a title="entity generation event">generation</a> of an entity always <a>precedes</a> \n' + 
 '      any of its <a title="entity usage event">usages</a>. \n' + 
+'    </div><div class="interpretation" id="usage-precedes-invalidation"> \n' + 
+'      For any entity, the following ordering constraint holds: any <a title="entity usage event">usage</a> of an entity always <a>precedes</a> \n' + 
+'      its <a title="entity invalidation event">invalidation</a>. \n' + 
 '    </div><div class="interpretation" id="usage-within-activity"> \n' + 
 '      Given an activity with identifier <span class="name">a</span>, an entity \n' + 
 '      with identifier <span class="name">e</span>, a set of attribute-value \n' + 
 '      pairs <span class="name">attrs</span>, and optional time <span class="name">t</span>, \n' + 
-'      <span class="conditional">if</span> assertion <span class="name">used(a,e,attrs)</span> \n' + 
+'      <span class="conditional">if</span> <span class="name">used(a,e,attrs)</span> \n' + 
 '      or <span class="name">used(a,e,attrs,t)</span> holds, <span class="conditional">then</span> the following ordering constraint holds: \n' + 
 '      the <a title="entity usage event">usage</a> of the entity denoted by <span class="name">e</span> <a>precedes</a> the <a title="activity end event">end</a> \n' + 
 '      of activity denoted by <span class="name">a</span> and <a>follows</a> its \n' + 
@@ -1285,18 +2114,14 @@
 '      with identifier <span class="name">e1</span> and <span class="name">e2</span>, \n' + 
 '      a generation identified by <span class="name">g2</span>, and a usage \n' + 
 '      identified by <span class="name">u1</span>, <span class="conditional">if</span> \n' + 
-'      <span class="name">wasDerivedFrom(e2,e1,a,g2,u1,attrs)</span> or <span class="name">wasDerivedFrom(e2,e1,[prov:steps="single"] cup; attrs)</span> \n' + 
-'      holds, <span class="conditional">then</span> the following ordering \n' + 
-'      constraint holds: the <a title="entity usage event">usage</a> of entity \n' + 
-'      denoted by <span class="name">e1</span> <a>precedes</a> the <a title="entity generation event">generation</a> of the entity denoted by \n' + 
+'      <span class="name">wasDerivedFrom(e2,e1,a,g2,u1,attrs)</span> holds, <span class="conditional">then</span> the following ordering constraint holds: \n' + 
+'      the <a title="entity usage event">usage</a> of entity denoted by <span class="name">e1</span> <a>precedes</a> the <a title="entity generation event">generation</a> of the entity denoted by \n' + 
 '      <span class="name">e2</span>. \n' + 
 '    </div><div class="interpretation" id="derivation-generation-generation-ordering"> \n' + 
-'      Given two entities denoted by <span class="name">e1</span> and <span class="name">e2</span>, <span class="conditional">if</span> <span class="name">wasDerivedFrom(e2,e1,[prov:steps="any"] cup; attrs)</span> \n' + 
-'      holds, <span class="conditional">then</span> the following ordering \n' + 
-'      constraint holds: the <a title="entity generation event">generation event</a> \n' + 
-'      of the entity denoted by <span class="name">e1</span> <a>precedes</a> the \n' + 
-'      <a title="entity generation event">generation event</a> of the entity \n' + 
-'      denoted by <span class="name">e2</span>. \n' + 
+'      Given two entities denoted by <span class="name">e1</span> and <span class="name">e2</span>, <span class="conditional">if</span> <span class="name">wasDerivedFrom(e2,e1, attrs)</span> holds, <span class="conditional">then</span> the following ordering constraint holds: \n' + 
+'      the <a title="entity generation event">generation event</a> of the entity \n' + 
+'      denoted by <span class="name">e1</span> <a>precedes</a> the <a title="entity generation event">generation event</a> of the entity denoted \n' + 
+'      by <span class="name">e2</span>. \n' + 
 '    </div><div class="interpretation" id="wasInformedBy-ordering"> \n' + 
 '      Given two activities denoted by <span class="name">a1</span> and <span class="name">a2</span>, <span class="conditional">if</span> <span class="name">wasInformedBy(a2,a1)</span> holds, <span class="conditional">then</span> \n' + 
 '      the following ordering constraint holds: the <a title="activity start event">start event</a> of the activity denoted by \n' + 
@@ -1306,45 +2131,57 @@
 '      the following ordering constraint holds: the <a title="activity start event">start</a> event of the activity denoted by \n' + 
 '      <span class="name">a1</span> <a>precedes</a> the <a title="activity start event">start event</a> of the activity denoted by \n' + 
 '      <span class="name">a2</span>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      In the following, we assume that we can talk about the end of an entity \n' + 
-'      (or agent) For this, we use the term \'destruction\' This is <a href="http://www.w3.org/2011/prov/track/issues/204">ISSUE-204</a>. \n' + 
 '    </div><div class="interpretation" id="wasStartedByAgent-ordering"> \n' + 
-'      Given an activity denoted by <span class="name">a</span> and an agent \n' + 
-'      denoted by <span class="name">ag</span>, <span class="conditional">if</span> \n' + 
-'      <span class="name">wasStartedBy(a,ag)</span> holds, <span class="conditional">then</span> the following ordering constraints hold: \n' + 
+'      Given an activity denoted by <span class="name">a</span> and an entity \n' + 
+'      denoted by <span class="name">e</span>, <span class="conditional">if</span> \n' + 
+'      <span class="name">wasStartedBy(a,e)</span> holds, <span class="conditional">then</span> the following ordering constraints hold: \n' + 
 '      the <a title="activity start event">start</a> event of the activity \n' + 
-'      denoted by <span class="name">a</span> <a>follows</a> the <a title="entity generation event">generation event</a> for agent denoted by \n' + 
-'      <span class="name">ag</span>, and <a>precedes</a> the destruction event of \n' + 
-'      the same agent. \n' + 
+'      denoted by <span class="name">a</span> <a>follows</a> the <a title="entity generation event">generation event</a> for entity <span class="name">e</span>, and <a>precedes</a> the invalidation event of the \n' + 
+'      same entity. \n' + 
+'    </div><div class="interpretation" id="wasEndedByAgent-ordering"> \n' + 
+'      Given an activity denoted by <span class="name">a</span> and an entity \n' + 
+'      denoted by <span class="name">e</span>, <span class="conditional">if</span> \n' + 
+'      <span class="name">wasEndedBy(a,e)</span> holds, <span class="conditional">then</span> \n' + 
+'      the following ordering constraints hold: the <a title="activity end event">end</a> \n' + 
+'      event of the activity denoted by <span class="name">a</span> <a>follows</a> \n' + 
+'      the <a title="entity generation event">generation event</a> for entity \n' + 
+'      <span class="name">e</span>, and <a>precedes</a> the invalidation event of \n' + 
+'      the same entity. \n' + 
 '    </div><div class="interpretation" id="wasAssociatedWith-ordering"> \n' + 
 '      Given an activity denoted by <span class="name">a</span> and an agent \n' + 
 '      denoted by <span class="name">ag</span>, <span class="conditional">if</span> \n' + 
 '      <span class="name">wasAssociatedWith(a,ag)</span> holds, <span class="conditional">then</span> the following ordering constraints hold: \n' + 
 '      the <a title="activity start event">start</a> event of the activity \n' + 
-'      denoted by <span class="name">a</span> precedes the destruction event of \n' + 
+'      denoted by <span class="name">a</span> precedes the invalidation event of \n' + 
 '      the agent denoted by <span class="name">ag</span>, and the <a title="entity generation event">generation event</a> for agent denoted by \n' + 
 '      <span class="name">ag</span> <a>precedes</a> the activity <a title="activity end event">end</a> event. \n' + 
-'    </div><div class="issue"> \n' + 
-'      For completeness, we should define ordering constraint for \n' + 
-'      wasAssociatedWith and actedOnBehalfOf. For wasAssociatedWith(a,ag), it \n' + 
-'      feels that ag must have some overlap with a. For \n' + 
-'      actedOnBehalfOf(ag1,ag2,a), it seem that ag2 should have existed before \n' + 
-'      the overlap between ag1 and a. This is <a href="http://www.w3.org/2011/prov/track/issues/221">ISSUE-221</a>. \n' + 
-'    </div><div class="issue"> \n' + 
-'      It is suggested that a stronger name for wasAssociatedWith should be \n' + 
-'      adopted. This is <a href="http://www.w3.org/2011/prov/track/issues/182">ISSUE-182</a>. \n' + 
+'    </div><div class="interpretation" id="wasAttributedWith-ordering"> \n' + 
+'      Given an entity denoted by <span class="name">e</span> and an agent \n' + 
+'      denoted by <span class="name">ag</span>, <span class="conditional">if</span> \n' + 
+'      <span class="name">wasAttributedWith(e,ag)</span> holds, <span class="conditional">then</span> the following ordering constraints hold: \n' + 
+'      the <a title="entity generation event">generation</a> event of the entity \n' + 
+'      denoted by <span class="name">e</span> precedes the invalidation event of \n' + 
+'      the agent denoted by <span class="name">ag</span>, and the <a title="entity generation event">generation event</a> for agent denoted by \n' + 
+'      <span class="name">ag</span> <a>precedes</a> the entity <a title="entity invalidation event">invalidation</a> event. \n' + 
+'    </div><div class="interpretation" id="actedOnBehalfOf-ordering"> \n' + 
+'      Given two agents <span class="name">ag1</span> and <span class="name">ag2</span>, \n' + 
+'      <span class="conditional">if</span> <span class="name">actedOnBehalfOf(ag2,ag1)</span> \n' + 
+'      holds, <span class="conditional">then</span> the following ordering \n' + 
+'      constraints hold: the <a title="entity generation event">generation</a> \n' + 
+'      event of the agent denoted by <span class="name">ag2</span> precedes the \n' + 
+'      invalidation event of agent <span class="name">ag1</span>, and the <a title="entity generation event">generation event</a> for agent denoted by \n' + 
+'      <span class="name">ag1</span> <a>precedes</a> <a title="entity invalidation event">invalidation</a> event for <span class="name">ag2</span>. \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
-'        In the following assertions, a workflow execution <span class="name">a0</span> \n' + 
+'        In the following descriptions, a workflow execution <span class="name">a0</span> \n' + 
 '        consists of two sub-workflow executions <span class="name">a1</span> and \n' + 
 '        <span class="name">a2</span>. Sub-workflow execution <span class="name">a2</span> \n' + 
 '        generates entity <span class="name">e</span>, so does <span class="name">a0</span>. \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'activity(a0,,,[prov:type="workflow execution"]) \n' + 
-'activity(a1,,,[prov:type="workflow execution"]) \n' + 
-'activity(a2,,,[prov:type="workflow execution"]) \n' + 
+'activity(a0, [prov:type="workflow execution"]) \n' + 
+'activity(a1, [prov:type="workflow execution"]) \n' + 
+'activity(a2, [prov:type="workflow execution"]) \n' + 
 'wasInformedBy(a2,a1) \n' + 
 ' \n' + 
 'wasGeneratedBy(e,a0) \n' + 
@@ -1359,7 +2196,7 @@
 '      </p> \n' + 
 '    </div><div class="anexample"> \n' + 
 '      <p> \n' + 
-'        The same example is now revisited, with the following assertions that \n' + 
+'        The same example is now revisited, with the following descriptions that \n' + 
 '        are structurally well-formed. Two accounts are introduced, and there is \n' + 
 '        a single generation for entity <span class="name">e</span> per account. \n' + 
 '      </p> \n' + 
@@ -1367,181 +2204,146 @@
 '        In a first account, entitled "summary", we find: \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'        activity(a0,t1,t2,[prov:type="workflow execution"]) \n' + 
-'        wasGeneratedBy(e,a0) \n' + 
+'activity(a0,t1,t2,[prov:type="workflow execution"]) \n' + 
+'wasGeneratedBy(e,a0,-) \n' + 
 '</pre> \n' + 
 '      <p> \n' + 
 '        In a second account, entitled "detail", we find: \n' + 
 '      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'        activity(a1,t1,t3,[prov:type="workflow execution"]) \n' + 
-'        activity(a2,t3,t2,[prov:type="workflow execution"]) \n' + 
-'        wasInformedBy(a2,a1) \n' + 
-'        wasGeneratedBy(e,a2) \n' + 
+'activity(a1,t1,t3,[prov:type="workflow execution"]) \n' + 
+'activity(a2,t3,t2,[prov:type="workflow execution"]) \n' + 
+'wasInformedBy(a2,a1) \n' + 
+'wasGeneratedBy(e,a2,-) \n' + 
 '</pre> \n' + 
 '    </div><div class="constraint" id="generation-uniqueness"> \n' + 
 '      Given an entity denoted by <span class="name">e</span>, two activities \n' + 
 '      denoted by <span class="name">a1</span> and <span class="name">a2</span>, \n' + 
+'      two time instants <span class="name">t1</span> and <span class="name">t2</span>, \n' + 
 '      and two sets of attribute-value pairs <span class="name">attrs1</span> and \n' + 
 '      <span class="name">attrs2</span>, <span class="conditional">if</span> \n' + 
-'      <span class="name">wasGeneratedBy(id1,e,a1,attrs1)</span> and <span class="name">wasGeneratedBy(id2,e,a2,attrs2)</span> exist in the scope of \n' + 
-'      a given account, <span class="conditional">then</span> <span class="name">id1</span>=<span class="name">id2</span>, <span class="name">a1</span>=<span class="name">a2</span> \n' + 
+'      <span class="name">wasGeneratedBy(id1, e, a1, t1, attrs1)</span> and <span class="name">wasGeneratedBy(id2, e, a2, t2, attrs2)</span> exist in the \n' + 
+'      scope of a given account, <span class="conditional">then</span> <span class="name">id1</span>=<span class="name">id2</span>, <span class="name">a1</span>=<span class="name">a2</span>, <span class="name">t1</span>=<span class="name">t2</span> \n' + 
 '      and <span class="name">attrs1</span>=<span class="name">attrs2</span>. \n' + 
 '    </div><div class="inference" id="derivation-use"> \n' + 
 '      <p> \n' + 
-'        Given an activity with identifier <span class="name">a</span>, entities \n' + 
-'        denoted by <span class="name">e1</span> and <span class="name">e2</span>, \n' + 
-'        and a set of attribute-value pairs <span class="name">attrs2</span>, \n' + 
-'        <span class="conditional">if</span> <span class="name">wasDerivedFrom(e2,e1, \n' + 
-'        [prov:steps="single"])</span> and <span class="name">wasGeneratedBy(e2,a,attrs2)</span> \n' + 
-'        hold, <span class="conditional">then</span> <span class="name">used(a,e1,attrs1)</span> \n' + 
-'        also holds for some set of attribute-value pairs <span class="name">attrs1</span>. \n' + 
-'      </p> \n' + 
-'    </div><div class="note"> \n' + 
-'      Can the semantics characterize better what can be achieved with \n' + 
-'      structurally well-formed accounts? \n' + 
-'    </div><div class="note" id="note-related-to-issue-105"> \n' + 
-'      Satya discussed the example of a sculpture, whose hand and leg are \n' + 
-'      sculpted independently by two different sculptors. He suggested that the \n' + 
-'      sculpture is generated by two distinct activities. This section explains \n' + 
-'      that it is not the case. The example can be formulated as follows. \n' + 
-'      <p> \n' + 
-'        <a href="examples/sculpture.prov-asn">Sculpture example in ASN</a> \n' + 
+'        Given an activity <span class="name">a</span>, entities denoted by <span class="name">e1</span> and <span class="name">e2</span>, and sets of \n' + 
+'        attribute-value pairs <span class="name">dAttrs</span>, <span class="name">gAttrs</span>, <span class="conditional">if</span> <span class="name">wasDerivedFrom(e2,e1, a, dAttrs)</span> and <span class="name">wasGeneratedBy(e2,a,-,gAttrs)</span> hold, <span class="conditional">then</span> <span class="name">used(a,e1,-,uAttrs)</span> \n' + 
+'        also holds for some set of attribute-value pairs <span class="name">uAttrs</span>. \n' + 
 '      </p> \n' + 
-'      <p> \n' + 
-'        <a href="examples/sculpture.png">Sculpture example image</a> \n' + 
-'      </p> \n' + 
-'      <p> \n' + 
-'        We see that ex:s_3 (the sculpture in its final state) was derived from \n' + 
-'        ex:l_2 (containment) which was generated by ex:a2. However, ex:s_3 is \n' + 
-'        not directly generated by ex:a2. We may want to consider an abbreviation \n' + 
-'        for this: wasGeneratedBy*(ex:s_3,ex:a2). \n' + 
-'      </p> \n' + 
-'    </div><div class="note"> \n' + 
-'      Raw material taken from prov-dm3. Some further text required. \n' + 
-'    </div><div class="constraint" id="collection-parallel-insertions"> \n' + 
-'      <p> \n' + 
-'        One can have multiple assertions regarding the state of a collection \n' + 
-'        following a <em>set</em> of insertions, for example: \n' + 
-'      </p> \n' + 
+'    </div><div class="constraint" id="membership-as-insertion"> \n' + 
+'      <span class="name">memberOf(c, {(k1, v1), ...})</span> holds <span class="conditional">if and only if</span> there exists a collection <span class="name">c0</span>, such that <span class="name">derivedByInsertionFrom(c, \n' + 
+'      c0, {(k1, v1), ...})</span>. \n' + 
+'    </div><div class="constraint" id="collection-unique-derivation"> \n' + 
+'      A collection MUST NOT be derived through multiple insertions, removal, or \n' + 
+'      membership relations. \n' + 
+'    </div><div class="anexample"> \n' + 
+'      Consider the following descriptions about three collections. \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'CollectionAfterInsertion(c2, c1, k1, v1) \n' + 
-'CollectionAfterInsertion(c2, c1, k2, v2) \n' + 
-'... \n' + 
+'entity(c1, [prov:type="prov:Collection"  %% xsd:QName]) \n' + 
+'entity(c2, [prov:type="prov:Collection"  %% xsd:QName]) \n' + 
+'entity(c3, [prov:type="prov:Collection"  %% xsd:QName]) \n' + 
+' \n' + 
+' \n' + 
+'derivedByInsertionFrom(c3, c1, {("k1", e1), ("k2", e2)}) \n' + 
+'derivedByInsertionFrom(c3, c2, {("k3", e3)}) \n' + 
 '</pre> \n' + 
 '      <p> \n' + 
-'        This is interpreted as <em>" <span class="name">c2</span> is the state \n' + 
-'        that results from inserting <span class="name">(k1, v1)</span>, <span class="name">(k2, v2)</span> etc. into <span class="name">c1</span>"</em> \n' + 
+'        There is no interpretation for such descriptions since <span class="name">c3</span> \n' + 
+'        is derived multiple times by insertion. \n' + 
 '      </p> \n' + 
-'    </div><div class="note"> \n' + 
-'      Shouldn\'t we have the same for deletion, and combination of insertion and \n' + 
-'      deletion? \n' + 
-'    </div><div class="constraint" id="collection-branching-derivations"> \n' + 
-'      It is possible to have multiple derivations from a single root collection, \n' + 
-'      as shown in the following example. \n' + 
-'      <div class="anexample"> \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'  entity(c, [prov:type="EmptyCollection"])    // e is an empty collection \n' + 
-'  entity(v1) \n' + 
-'  entity(v2) \n' + 
-'  entity(v3) \n' + 
-'  entity(c1, [prov:type="Collection"]) \n' + 
-'  entity(c2, [prov:type="Collection"]) \n' + 
-'  entity(c3, [prov:type="Collection"]) \n' + 
-'   \n' + 
-'  CollectionAfterInsertion(c1, c, k1, v1)       // c1 = { (k1,v1) } \n' + 
-'  CollectionAfterInsertion(c2, c, k2, v2)       // c2 = { (k2 v2) } \n' + 
-'  CollectionAfterInsertion(c3, c1, k3,v3)       // c3 = { (k1,v1),  (k3,v3) } \n' + 
-'</pre> \n' + 
-'      </div> \n' + 
 '    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        As a particular case, collection <span class="name">c</span> is derived \n' + 
+'        multiple times from the same <span class="name">c1</span>. \n' + 
+'      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'  entity(c, [prov:type="EmptyCollection"])    // e is an empty collection \n' + 
-'  entity(v1) \n' + 
-'  entity(v2) \n' + 
-'  entity(v3) \n' + 
-'  entity(c1, [prov:type="Collection"]) \n' + 
-'  entity(c2, [prov:type="Collection"]) \n' + 
-'  entity(c3, [prov:type="Collection"]) \n' + 
-'   \n' + 
-'  CollectionAfterInsertion(c1, c, k1, v1)       // c1 = { (k1,v1) } \n' + 
-'  CollectionAfterInsertion(c2, c, k2, v2)       // c2 = { (k2 v2) } \n' + 
-'  CollectionAfterInsertion(c3, c1, k3,v3)       // c3 = { (k1,v1),  (k3,v3) } \n' + 
-'</pre> \n' + 
-'      </div><div class="constraint" id="collection-unique-ancestor"> \n' + 
-'      Given the pair of assertions: \n' + 
-'<pre class="codeexample" xml:space="preserve"> \n' + 
-'CollectionAfterInsertion(c, c1, k1, v1) \n' + 
-'CollectionAfterInsertion(c, c2, k2, v2) \n' + 
+'derivedByInsertionFrom(id1, c, c1, {("k1", e1), ("k2", e2)}) \n' + 
+'derivedByInsertionFrom(id2, c, c1, {("k3", e3), ("k4", e4)}) \n' + 
 '</pre> \n' + 
-'      it follows that <span class="name">c1==c2</span>. \n' + 
-'    </div><div class="note"> \n' + 
-'      Original text stated it follows that <span class="name">c1==c2, k1==k2, \n' + 
-'      v1==v2</span>, because one cannot have two different derivations for the \n' + 
-'      same final collection state. This is incompatible with parallel insertion \n' + 
-'      constraint. \n' + 
-'    </div><div class="note"> \n' + 
-'      Shouldn\'t we have the same for deletion, and combination of insertion and \n' + 
-'      deletion? \n' + 
-'    </div><div class="constraint" id="collection-unique-value-for-key"> \n' + 
-'      Given the following set of insertions: \n' + 
+'      <p> \n' + 
+'        The interpretation of such descriptions is also unspecified. \n' + 
+'      </p> \n' + 
+'      <p> \n' + 
+'        To describe the insertion of the 4 key-entity pairs, one would instead \n' + 
+'        write: \n' + 
+'      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'CollectionAfterInsertion(c1, c, k, v1) \n' + 
-'CollectionAfterInsertion(c1, c, k, v2) \n' + 
+'derivedByInsertionFrom(id1, c, c1, {("k1", e1), ("k2", e2), ("k3", e3), ("k4", e4)}) \n' + 
 '</pre> \n' + 
-'      it follows that <span class="name">v1==v2</span>. \n' + 
 '    </div><div class="anexample"> \n' + 
+'      <p> \n' + 
+'        The following descriptions \n' + 
+'      </p> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'  entity(c, [prov:type="collection"])    // e is a collection, possibly not empty \n' + 
-'  entity(v1) \n' + 
-'  entity(v2, [prov:type="collection"])    // v2 is a collection \n' + 
-' \n' + 
-'  CollectionAfterInsertion(c1, c, k1, v1)       // c1 <em>includes</em> { (k1,v1) } but may contain additional unknown pairs \n' + 
-'  CollectionAfterInsertion(c2, c1, k2, v2)      // c2 includes { (k1,v1), (k2 v2) } where v2 is a collection with unknown state \n' + 
+'derivedByInsertionFrom(c, c1, {("k1", e1)}) \n' + 
+'derivedByRemovalFrom(c, c2, {"k2"}) \n' + 
+'</pre> \n' + 
+'      have no interpretation. Nor have the following: \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'derivedByInsertionFrom(c, c1, {("k1", e1)}) \n' + 
+'memberOf(c, {"k2"}). \n' + 
 '</pre> \n' + 
 '    </div><div class="anexample"> \n' + 
 '<pre class="codeexample" xml:space="preserve"> \n' + 
-'  entity(c, [prov:type="emptyCollection"])    // e is an empty collection \n' + 
-'  entity(v1) \n' + 
-'  entity(v2) \n' + 
+'entity(c0, [prov:type="prov:EmptyCollection" %% xsd:QName])    // c0 is an empty collection \n' + 
+'entity(c1, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+'entity(c2, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+'entity(c3, [prov:type="prov:Collection" %% xsd:QName]) \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+'entity(e3) \n' + 
 ' \n' + 
-'  CollectionAfterInsertion(c1, c, k1, v1)       // c1 = { (k1,v1) } \n' + 
-'  wasDerivedFrom(c2, c1)                        // the asserted knows that c2 is somehow derived from c1, but cannot assert the precise sequence of updates \n' + 
-'    CollectionAfterInsertion(c3, c2, k2, v2)        \n' + 
+'derivedByInsertionFrom(c1, c0, {("k1", e1)})       \n' + 
+'derivedByInsertionFrom(c2, c0, {("k2", e2)})        \n' + 
+'derivedByInsertionFrom(c3, c1, {("k3", e3)})        \n' + 
 '</pre> \n' + 
-'      <p> \n' + 
-'        Here <span class="name">c3</span> includes <span class="name">{ (k2 v2) \n' + 
-'        }</span> but the earlier "gap" leaves uncertainty regarding <span class="name">(k1,v1)</span> (it may have been removed) or any other pair \n' + 
-'        that may have been added as part of the derivation activities. \n' + 
-'      </p> \n' + 
-'    </div><div class="note"> \n' + 
-'      Purely tentative \n' + 
-'    </div><div class="note"> \n' + 
-'          What is the meaning here? Is it any different? Are stating anything \n' + 
-'          about newer version of tr:prov-dm that occur after \n' + 
-'          2011-12-15T12:00:00? \n' + 
-'        </div><div class="note"> \n' + 
-'          What is the meaning here? that only the version that was created by \n' + 
-'          this event is attributed to ex:Simon, but not previous ones. This \n' + 
-'          means that it is not specfied whether he was an author in anterior \n' + 
-'          versions. \n' + 
-'        </div><div class="note"> \n' + 
-'          Speculative, since we have not defined the destruction event (yet?. \n' + 
-'          What is the meaning here? that only the versions that existed during \n' + 
-'          this characterization interval were attributed to ex:Simon. \n' + 
-'        </div><span class="glossary" id="glossary-account"> An <dfn>account</dfn> is a \n' + 
-'      named bundle of provenance descriptions. </span><span class="glossary" id="glossary-entity"> <dfn id="concept-accountEntity">AccountEntity</dfn> is the category of entities \n' + 
-'      that are accounts, i.e. named bundles of provenance descriptions. </span><span class="conditional">If</span><span class="name">entity(e,attrs)</span><span class="name">wasAssociatedWith(a,e)</span><span class="name">a</span><span class="name">e</span><span class="name">attrs</span><span class="name">agent(e,attrs)</span><span class="name">e1</span><span class="name">e2</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2, e1, a, g2, u1, attrs)</span><span class="name">g2</span><span class="name">u1</span><span class="name">wasDerivedFrom(e2,e1,[prov:steps="single"] \n' + 
-'      cup; attrs)</span><span class="name">e1</span><span class="name">e2</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2, \n' + 
-'      e1, [prov:steps="single"] cup; attrs)</span><span class="name">wasDerivedFrom(e2,e1,attrs)</span><span class="conditional">If</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="conditional">then</span><span class="name">a</span><span class="name">u</span><span class="name">g</span><span class="name">gAttrs</span><span class="name">uAttrs</span><span class="name">aAttrs</span><span class="name">wasGeneratedBy(g, \n' + 
-'      e2, a, attrs2)</span><span class="name">used(u, a, e1, \n' + 
-'      attrs1)</span><span class="name">e1</span><span class="name">e2</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="name">a</span><span class="name">wasDerivedFrom(e2, \n' + 
-'      e1, a, g, u)</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="conditional">If</span><span class="name">wasDerivedFrom(e2,e1,t,attrs)</span><span class="conditional">then</span><span class="name">wasDerivedFrom(e2,e1,attrs)</span><span class="name">wasGeneratedBy(e2,t)</span><span class="name">specializationOf(e2,e1)</span><span class="name">specializationOf(e3,e2)</span><span class="name">specializationOf(e2,e1)</span><span class="name">specializationOf(e3,e1)</span><span class="name">specializationOf(e2,e1)</span><span class="name">specializationOf(e2,e1)</span><span class="name">specializationOf(e1,e2)</span><span class="name">alternateOf(e2,e1)</span><span class="name">alternateOf(e2,e1)</span><span class="name">alternateOf(e1,e2)</span><span class="name">e2</span><span class="name">e1</span><span class="conditional">If</span><span class="name">wasDerivedFrom(e2,e1,a,g2,u1)</span><span class="name">a</span><span class="name">g2</span><span class="name">u1</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">wasGeneratedBy(e2,a,gAttr) \n' + 
-'          and wasAssociatedWith(a,e1)</span><span class="name">a</span><span class="name">gAttr</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">wasGeneratedBy(e2,a,gAttr)</span><span class="name">wasAssociatedWith(a,e)</span><span class="name">actedOnBehalfOf(e,e1)</span><span class="name">a</span><span class="name">e</span><span class="name">gAttr</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">wasGeneratedBy(e2,a,gAttr) \n' + 
-'          and wasStartedBy(a,e1,sAttr)</span><span class="name">a</span><span class="name">e</span><span class="name">gAttr</span><span class="name">sAttr</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">tracedTo(e2,e)</span><span class="name">tracedTo(e,e1)</span><span class="name">e</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">tracedTo(r2,r1,attrs)</span><span class="name">r2</span><span class="name">r1</span><span class="name">attrs</span><span class="conditional">then</span><span class="name">e<sup>0</sup></span><span class="name">e<sup>1</sup></span><span class="name">e<sup>n</sup></span><span class="name">nge;1</span><span class="name">e<sup>0</sup></span><span class="name">r2</span><span class="name">e<sup>n</sup></span><span class="name">r1</span><span class="name">0le;ile;n-1</span><span class="name">wasDerivedFrom(e<sup>i</sup>,e<sup>i+1</sup>,a,g2,u1)</span><span class="name">a</span><span class="name">g2</span><span class="name">u1</span><span class="name">wasDerivedFrom(e<sup>i</sup>,e<sup>i+1</sup>)</span><span class="name">wasBasedOn(e<sup>i</sup>,e<sup>i+1</sup>)</span><span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr) and \n' + 
-'          wasAssociatedWith(a,e<sup>i+1</sup>)</span><span class="name">a</span><span class="name">gAttr</span><span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr)</span><span class="name">wasAssociatedWith(a,e)</span><span class="name">actedOnBehalfOf(e,e<sup>i+1</sup>)</span><span class="name">a</span><span class="name">e</span><span class="name">gAttr</span><span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr) and \n' + 
-'          wasStartedBy(a,e<sup>i+1</sup>,sAttr)</span><span class="name">a</span><span class="name">e</span><span class="name">gAttr</span><span class="name">sAttr</span><span class="name">a1</span><span class="name">a2</span><span class="name">wasInformedBy(a2,a1)</span><span class="conditional">if and only if</span><span class="name">e</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="name">wasGeneratedBy(e,a1,attrs1)</span><span class="name">used(a2,e,attrs2)</span><span class="name">wasInformedBy</span><span class="name">wasInformedBy(a3,a1)</span><span class="name">wasInformedBy(a2,a1)</span><span class="name">e1</span><span class="name">e1</span><span class="name">a1</span><span class="name">a2</span><span class="name">wasInformedBy(a3,a2)</span><span class="name">e2</span><span class="name">e2</span><span class="name">a2</span><span class="name">a3</span><span class="name">e1</span><span class="name">e2</span><span class="name">a3</span><span class="name">a1</span><span class="name">a3</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a1</span><span class="name">a2</span><span class="name">wasStartedBy(a2,a1)</span><span class="conditional">if and only if</span><span class="name">e</span><span class="name">gAttr</span><span class="name">sAttr</span><span class="name">wasGeneratedBy(e,a1,gAttr)</span><span class="name">wasStartedBy(a2,e,sAttr)</span><span class="name">wasStartedBy</span><span class="name">wasStartedBy</span><span class="name">wasStartedBy</span><span class="name">old</span><span class="name">new</span><span class="name">ag</span><span class="conditional">if</span><span class="name">wasRevisionOf(new,old,ag)</span><span class="conditional">then</span><span class="name">e</span><span class="name">eAttrs</span><span class="name">dAttrs</span><span class="name">wasDerivedFrom(new,old,dAttrs)</span><span class="name">entity(e,eAttrs)</span><span class="name">specializationOf(new,e)</span><span class="name">specializationOf(old,e)</span><span class="name">wasRevisionOf</span><span class="name">wasDerivedFrom</span><span class="name">e2</span><span class="name">e1</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="conditional">If</span><span class="name">wasAttributedTo(e,ag)</span><span class="name">e</span><span class="name">ag</span><span class="conditional">then</span><span class="name">a</span><span class="name">attr1</span><span class="name">attr2</span><span class="name">t1</span><span class="name">t2</span><span class="conditional">If</span><span class="name">wasQuotedFrom(e2,e1,ag2,ag1,attrs)</span><span class="name">e2</span><span class="name">e1</span><span class="name">ag2</span><span class="name">ag1</span><span class="conditional">then</span><span class="name">w3:Consortium</span><span class="name">tr:WD-prov-dm-20111215</span><span class="name">e</span><span class="name">entity(e,av)</span><span class="name">av</span><span class="name">alternateOf</span><span class="name">a</span><span class="name">e</span><span class="name">attrs</span><span class="name">t</span><span class="conditional">if</span><span class="name">used(a,e,attrs)</span><span class="name">used(a,e,attrs,t)</span><span class="conditional">then</span><span class="name">e</span><span class="name">a</span><span class="name">a</span><span class="name">e</span><span class="name">attrs</span><span class="name">t</span><span class="conditional">if</span><span class="name">wasGeneratedBy(e,a,attrs)</span><span class="name">wasGeneratedBy(e,a,attrs,t)</span><span class="conditional">then</span><span class="name">e</span><span class="name">a</span><span class="name">a</span><span class="name">e2</span><span class="name">e1</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">a</span><span class="name">e1</span><span class="name">e2</span><span class="name">g2</span><span class="name">u1</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2,e1,a,g2,u1,attrs)</span><span class="name">wasDerivedFrom(e2,e1,[prov:steps="single"] cup; attrs)</span><span class="conditional">then</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e1</span><span class="name">e2</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2,e1,[prov:steps="any"] cup; attrs)</span><span class="conditional">then</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="conditional">if</span><span class="name">wasInformedBy(a2,a1)</span><span class="conditional">then</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="conditional">if</span><span class="name">wasStartedBy(a2,a1)</span><span class="conditional">then</span><span class="name">a1</span><span class="name">a2</span><span class="name">a</span><span class="name">ag</span><span class="conditional">if</span><span class="name">wasStartedBy(a,ag)</span><span class="conditional">then</span><span class="name">a</span><span class="name">ag</span><span class="name">a</span><span class="name">ag</span><span class="conditional">if</span><span class="name">wasAssociatedWith(a,ag)</span><span class="conditional">then</span><span class="name">a</span><span class="name">ag</span><span class="name">ag</span><span class="name">g1</span><span class="name">g2</span><span class="name">a0</span><span class="name">a1</span><span class="name">a2</span><span class="name">a2</span><span class="name">e</span><span class="name">a0</span><span class="name">e</span><span class="name">a0</span><span class="name">a2</span><span class="name">e</span><span class="name">e</span><span class="name">a1</span><span class="name">a2</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="conditional">if</span><span class="name">wasGeneratedBy(id1,e,a1,attrs1)</span><span class="name">wasGeneratedBy(id2,e,a2,attrs2)</span><span class="conditional">then</span><span class="name">id1</span><span class="name">id2</span><span class="name">a1</span><span class="name">a2</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="name">a</span><span class="name">e1</span><span class="name">e2</span><span class="name">attrs2</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2,e1, \n' + 
-'        [prov:steps="single"])</span><span class="name">wasGeneratedBy(e2,a,attrs2)</span><span class="conditional">then</span><span class="name">used(a,e1,attrs1)</span><span class="name">attrs1</span><span class="name">e2</span><span class="name">e1</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="name">used(a,e1)</span><span class="name">wasGeneratedBy(e2,a,attrs2)</span><span class="name">e1</span><span class="name">e2</span><span class="name">c2</span><span class="name">(k1, v1)</span><span class="name">(k2, v2)</span><span class="name">c1</span><span class="name">c1==c2</span><span class="name">c1==c2, k1==k2, \n' + 
-'      v1==v2</span><span class="name">v1==v2</span><span class="name">c2</span><span class="name">c3</span><span class="name">{ (k2 v2) \n' + 
-'        }</span><span class="name">(k1,v1)</span><span class="name">tr:prov-dm</span><span class="name">tr:prov-dm</span><span class="name">tr:WD-prov-dm-20111215</span><span class="name">tr:WD-prov-dm-20111018</span><span class="name">w3:Consortium</span><span class="name">tr:prov-dm</span><span class="name">w3:Consortium</span><span class="name">ex:acc1</span><span class="name">ex:acc1</span><span class="name">tr:prov-dm</span><span class="name">tr:prov-dm</span></html> \n' + 
+'      From this set of descriptions, we conclude: \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'  c1 = { ("k1", e1) } \n' + 
+'  c2 = { ("k2", e2) } \n' + 
+'  c3 = { ("k1", e1), ("k3", e3)} \n' + 
+'</pre> \n' + 
+'    </div><div class="anexample"> \n' + 
+'      In the example, the state of <span class="name">c2</span> is only \n' + 
+'      partially known because the collection is constructed from partially known \n' + 
+'      other collections. \n' + 
+'<pre class="codeexample" xml:space="preserve"> \n' + 
+'entity(c0, [prov:type="prov:EmptyCollection" %% xsd:QName])    // c0 is an empty collection \n' + 
+'entity(c1, [prov:type="prov:Collection" %% xsd:QName])     \n' + 
+'entity(c2, [prov:type="prov:Collection" %% xsd:QName])     \n' + 
+'entity(c3, [prov:type="prov:Collection" %% xsd:QName])     \n' + 
+'entity(e1) \n' + 
+'entity(e2) \n' + 
+' \n' + 
+'derivedByInsertionFrom(c1, c0, {("k1", e1)})        \n' + 
+'wasDerivedFrom(c2, c1)                        \n' + 
+'derivedByInsertionFrom(c3, c2, {("k2", e2)})        \n' + 
+' </pre> \n' + 
+'      From this set of descriptions, we conclude: \n' + 
+'      <ul> \n' + 
+'        <li> \n' + 
+'          <span class="name">c1 = { ("k1", e1) }</span> \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c2</span> is somehow derived from <span class="name">c1</span>, \n' + 
+'          but the precise sequence of updates is unknown \n' + 
+'        </li> \n' + 
+'        <li> \n' + 
+'          <span class="name">c3</span> includes <span class="name">("k2", e2)</span> \n' + 
+'          but the earlier "gap" leaves uncertainty regarding <span class="name">("k1", \n' + 
+'          e1)</span> (it may have been removed) or any other pair that may have \n' + 
+'          been added as part of the derivation activities. \n' + 
+'        </li> \n' + 
+'      </ul> \n' + 
+'    </div><span class="glossary" id="glossary-account"> An <dfn>account</dfn> is a \n' + 
+'      entity that contains a bundle of provenance descriptions. </span><span class="name">Account</span><span class="name">e</span><span class="name">t1</span><span class="name">t2</span><span class="conditional">if</span><span class="name">wasGeneratedBy(e, \n' + 
+'      -, t1)</span><span class="name">wasGeneratedBy(e, -, t2)</span><span class="name">t1</span><span class="name">t2</span><span class="name">activity(a,t1,t2,attrs1)</span><span class="name">wasStartedBy(id,a,e,t,attrs2)</span><span class="name">t</span><span class="name">t1</span><span class="name">activity(a,t1,t2,attrs1)</span><span class="name">wasEndedBy(id,a,e,t,attrs2)</span><span class="name">t</span><span class="name">t2</span><span class="name">a1</span><span class="name">a2</span><span class="name">wasInformedBy(a2,a1)</span><span class="conditional">if and only if</span><span class="name">e</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="name">wasGeneratedBy(e,a1,-,attrs1)</span><span class="name">used(a2,e,-,attrs2)</span><span class="name">wasInformedBy</span><span class="name">wasInformedBy(a3,a1)</span><span class="name">wasInformedBy(a2,a1)</span><span class="name">e1</span><span class="name">e1</span><span class="name">a1</span><span class="name">a2</span><span class="name">wasInformedBy(a3,a2)</span><span class="name">e2</span><span class="name">e2</span><span class="name">a2</span><span class="name">a3</span><span class="name">e1</span><span class="name">e2</span><span class="name">a3</span><span class="name">a1</span><span class="name">a3</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a1</span><span class="name">a2</span><span class="name">wasStartedBy(a2,a1)</span><span class="conditional">if and only if</span><span class="name">e</span><span class="name">gAttr</span><span class="name">sAttr</span><span class="name">wasGeneratedBy(e,a1,-,gAttr)</span><span class="name">wasStartedBy(a2,e,-,sAttr)</span><span class="conditional">If</span><span class="name">wasAttributedTo(e,ag)</span><span class="name">e</span><span class="name">ag</span><span class="conditional">then</span><span class="name">a</span><span class="name">attr1</span><span class="name">attr2</span><span class="name">t1</span><span class="name">t2</span><span class="name">wasAssociatedWith(a, \n' + 
+'        ag, -, attr)</span><span class="name">wasAssociatedWith(a, -, \n' + 
+'        pl, attr)</span><span class="name">wasGeneratedBy(g, \n' + 
+'      e2, a, -, attrs2)</span><span class="name">used(u, a, e1, \n' + 
+'      -, attrs1)</span><span class="name">e1</span><span class="name">e2</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="name">a</span><span class="name">wasDerivedFrom(e2, e1, a, g, u)</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e1</span><span class="name">e2</span><span class="name">ag</span><span class="conditional">if</span><span class="name">wasRevisionOf(e2,e1,ag)</span><span class="conditional">then</span><span class="name">e</span><span class="name">eAttrs</span><span class="name">dAttrs</span><span class="name">wasRevisionOf(e2,e1,-,attr)</span><span class="name">wasRevisionOf</span><span class="name">wasDerivedFrom</span><span class="name">e2</span><span class="name">e1</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="conditional">If</span><span class="name">wasQuotedFrom(e2,e1,ag2,ag1,attrs)</span><span class="name">e2</span><span class="name">e1</span><span class="name">ag2</span><span class="name">ag1</span><span class="conditional">then</span><span class="name">wasQuotedFrom(e2,e1,-,-,attrs)</span><span class="name">e2</span><span class="name">e1</span><span class="conditional">If</span><span class="name">wasDerivedFrom(e2,e1,a,g2,u1)</span><span class="name">a</span><span class="name">g2</span><span class="name">u1</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">wasAttributedTo(e2,ag1,aAttr)</span><span class="conditional">then</span><span class="name">tracedTo(e2,ag1)</span><span class="conditional">If</span><span class="name">wasAttributedTo(e2,ag2,aAttr)</span><span class="name">wasGeneratedBy(e2,a,gAttr)</span><span class="name">actedOnBehalfOf(ag2,ag1,a,rAttr)</span><span class="name">a</span><span class="name">ag2</span><span class="name">ag1</span><span class="name">aAttr</span><span class="name">gAttr</span><span class="name">rAttr</span><span class="conditional">then</span><span class="name">tracedTo(e2,ag1)</span><span class="conditional">If</span><span class="name">wasGeneratedBy(e2,a,gAttr)</span><span class="name">wasStartedBy(a,e1,sAttr)</span><span class="name">a</span><span class="name">gAttr</span><span class="name">sAttr</span><span class="conditional">If</span><span class="name">tracedTo(e2,e)</span><span class="name">tracedTo(e,e1)</span><span class="name">e</span><span class="conditional">then</span><span class="name">tracedTo(e2,e1)</span><span class="conditional">If</span><span class="name">tracedTo(r2,r1,attrs)</span><span class="name">r2</span><span class="name">r1</span><span class="name">attrs</span><span class="conditional">then</span><span class="name">e<sup>0</sup></span><span class="name">e<sup>1</sup></span><span class="name">e<sup>n</sup></span><span class="name">nge;1</span><span class="name">e<sup>0</sup></span><span class="name">r2</span><span class="name">e<sup>n</sup></span><span class="name">r1</span><span class="name">0le;ile;n-1</span><span class="name">wasDerivedFrom(e<sup>i</sup>,e<sup>i+1</sup>,a,g2,u1)</span><span class="name">a</span><span class="name">g2</span><span class="name">u1</span><span class="name">wasDerivedFrom(e<sup>i</sup>,e<sup>i+1</sup>)</span><span class="name">wasAttributedTo(e<sup>i</sup>,e<sup>i+1</sup>)</span><span class="name">wasAttributedTo(e<sup>i</sup>,e)</span><span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr)</span><span class="name">actedOnBehalfOf(e,e<sup>i+1</sup>,a,rAttr)</span><span class="name">a</span><span class="name">e</span><span class="name">gAttr</span><span class="name">rAttr</span><span class="name">wasGeneratedBy(e<sup>i</sup>,a,gAttr) and \n' + 
+'          wasStartedBy(a,e<sup>i+1</sup>,sAttr)</span><span class="name">a</span><span class="name">e</span><span class="name">gAttr</span><span class="name">sAttr</span><span class="name">specializationOf(e1,e2)</span><span class="name">T1-2</span><span class="name">specializationOf(e2,e3)</span><span class="name">T2-3</span><span class="name">T1-2</span><span class="name">T2-3</span><span class="name">e2</span><span class="name">alternate(e,e)</span><span class="name">e</span><span class="name">e</span><span class="name">alternate(e1,e2)</span><span class="name">e</span><span class="name">e1</span><span class="name">e2</span><span class="name">e</span><span class="name">alternate(e2,e1)</span><span class="name">alternate(e1,e2)</span><span class="name">e1-2</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1-2</span><span class="name">alternate(e2,e3)</span><span class="name">e2-3</span><span class="name">e2</span><span class="name">e3</span><span class="name">e2-3</span><span class="name">e1-3</span><span class="name">e1</span><span class="name">e3</span><span class="name">womanInRedDress</span><span class="name">customerInChairAt7pm</span><span class="name">customerInChairAt6pm</span><span class="name">customerInChairAt7pm</span><span class="name">womanInRedDress</span><span class="name">customerInChairAt6pm</span><span class="name">w3:Consortium</span><span class="name">tr:WD-prov-dm-20111215</span><span class="name">e</span><span class="name">entity(e,attrs)</span><span class="name">attrs</span><span class="name">alternateOf</span><span class="name">a</span><span class="name">e</span><span class="name">attrs</span><span class="name">t</span><span class="conditional">if</span><span class="name">used(a,e,attrs)</span><span class="name">used(a,e,attrs,t)</span><span class="conditional">then</span><span class="name">e</span><span class="name">a</span><span class="name">a</span><span class="name">e</span><span class="name">attrs</span><span class="name">t</span><span class="conditional">if</span><span class="name">wasGeneratedBy(e,a,attrs)</span><span class="name">wasGeneratedBy(e,a,attrs,t)</span><span class="conditional">then</span><span class="name">e</span><span class="name">a</span><span class="name">a</span><span class="name">e2</span><span class="name">e1</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">a</span><span class="name">e1</span><span class="name">e2</span><span class="name">g2</span><span class="name">u1</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2,e1,a,g2,u1,attrs)</span><span class="conditional">then</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2,e1, attrs)</span><span class="conditional">then</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">e1</span><span class="name">e2</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="conditional">if</span><span class="name">wasInformedBy(a2,a1)</span><span class="conditional">then</span><span class="name">a1</span><span class="name">a2</span><span class="name">a2</span><span class="name">a1</span><span class="name">a1</span><span class="name">a2</span><span class="name">a1</span><span class="name">a2</span><span class="conditional">if</span><span class="name">wasStartedBy(a2,a1)</span><span class="conditional">then</span><span class="name">a1</span><span class="name">a2</span><span class="name">a</span><span class="name">e</span><span class="conditional">if</span><span class="name">wasStartedBy(a,e)</span><span class="conditional">then</span><span class="name">a</span><span class="name">e</span><span class="name">a</span><span class="name">e</span><span class="conditional">if</span><span class="name">wasEndedBy(a,e)</span><span class="conditional">then</span><span class="name">a</span><span class="name">e</span><span class="name">a</span><span class="name">ag</span><span class="conditional">if</span><span class="name">wasAssociatedWith(a,ag)</span><span class="conditional">then</span><span class="name">a</span><span class="name">ag</span><span class="name">ag</span><span class="name">e</span><span class="name">ag</span><span class="conditional">if</span><span class="name">wasAttributedWith(e,ag)</span><span class="conditional">then</span><span class="name">e</span><span class="name">ag</span><span class="name">ag</span><span class="name">ag1</span><span class="name">ag2</span><span class="conditional">if</span><span class="name">actedOnBehalfOf(ag2,ag1)</span><span class="conditional">then</span><span class="name">ag2</span><span class="name">ag1</span><span class="name">ag1</span><span class="name">ag2</span><span class="name">g1</span><span class="name">g2</span><span class="name">a0</span><span class="name">a1</span><span class="name">a2</span><span class="name">a2</span><span class="name">e</span><span class="name">a0</span><span class="name">e</span><span class="name">a0</span><span class="name">a2</span><span class="name">e</span><span class="name">e</span><span class="name">a1</span><span class="name">a2</span><span class="name">t1</span><span class="name">t2</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="conditional">if</span><span class="name">wasGeneratedBy(id1, e, a1, t1, attrs1)</span><span class="name">wasGeneratedBy(id2, e, a2, t2, attrs2)</span><span class="conditional">then</span><span class="name">id1</span><span class="name">id2</span><span class="name">a1</span><span class="name">a2</span><span class="name">t1</span><span class="name">t2</span><span class="name">attrs1</span><span class="name">attrs2</span><span class="name">a</span><span class="name">e1</span><span class="name">e2</span><span class="name">dAttrs</span><span class="name">gAttrs</span><span class="conditional">if</span><span class="name">wasDerivedFrom(e2,e1, a, dAttrs)</span><span class="name">wasGeneratedBy(e2,a,-,gAttrs)</span><span class="conditional">then</span><span class="name">used(a,e1,-,uAttrs)</span><span class="name">uAttrs</span><span class="name">e2</span><span class="name">e1</span><span class="name">wasDerivedFrom(e2,e1)</span><span class="name">used(a,e1,-)</span><span class="name">wasGeneratedBy(e2,a,-)</span><span class="name">e1</span><span class="name">e2</span><span class="name">memberOf(c, {(k1, v1), ...})</span><span class="conditional">if and only if</span><span class="name">c0</span><span class="name">derivedByInsertionFrom(c, \n' + 
+'      c0, {(k1, v1), ...})</span><span class="name">c3</span><span class="name">c</span><span class="name">c1</span><span class="name">c2</span><span class="name">c1 = { ("k1", e1) }</span><span class="name">c2</span><span class="name">c1</span><span class="name">c3</span><span class="name">("k2", e2)</span><span class="name">("k1", \n' + 
+'          e1)</span></html> \n' + 
 ' ' ;
--- a/model/prov-dm.html	Tue Apr 17 13:51:14 2012 +0100
+++ b/model/prov-dm.html	Tue Apr 17 15:02:16 2012 +0100
@@ -550,7 +550,7 @@
 
 <div class="glossary-ref" data-ref="glossary-attribution" data-withspan="true"></div>
 
-<div class="conceptexample" id="association-example">
+<div class="conceptexample" id="attribution-example">
 <p>A blog post can be attributed to an author, a mobile phone to its manufacturer.</p>
 </div>
 
@@ -567,7 +567,7 @@
 <span class="glossary-ref" data-ref="glossary-activityAssociation"  data-withspan="true"></span>
 </p>
 
-<div class="conceptexample" id="association-example2">
+<div class="conceptexample" id="association-example">
 <p>Examples of association between an activity and an agent are:
 <ul>
 <li>creation of a web page under the guidance of a designer;</li>
@@ -591,7 +591,7 @@
 
 
 
-<div class="conceptexample" id="responsibilityChain-example">
+<div class="conceptexample" id="responsibility-example">
 <p>A student publishing a web page describing an academic
 department could result in both the student and the department being
 agents associated with the activity, and it may not matter which
@@ -998,7 +998,7 @@
 <p><a href="#prov-dm-types-and-relations">Table 4</a> is a complete index of all the types and relations of PROV-DM, color-coded according to the component they belong to.  In the first column,  concept names  link to their informal definition, whereas, in the second column, representations link to the information used to represent the concept.</p>
 
 
-<div style="text-align: left;">
+<div id="prov-dm-types-and-relations" style="text-align: left;">
 <table border="1" style="margin-left: auto; margin-right: auto;">
 <caption id="prov-dm-types-and-relations">Table 4: PROV-DM Types and Relations</caption>
 <tr><td><a><b>Type or Relation Name</b></a></td><td><b>Representation in the PROV-N notation</b></td></tr>
@@ -1442,15 +1442,16 @@
 
 <p>When an entity  <span class="name">e</span> is attributed to agent  <span class="name">ag</span>, entity <span class="name">e</span> was generated by some unspecified activity that in turn was associated to agent  <span class="name">ag</span>. Thus, this relation is useful when the activity is not known, or irrelevant.</p>
 
-<p> An <dfn title="wasAttributedTo">attribution</dfn> relation<span class="withPn">, written <span class="pnExpression">wasAttributedTo(id,e,ag,attrs)</span> in PROV-N,</span> has:</p>
+<p><div class="attributes" id="attributes-attribution">An <dfn title="wasAttributedTo">attribution</dfn> relation<span class="withPn">, written <span class="pnExpression">wasAttributedTo(id,e,ag,attrs)</span> in PROV-N,</span> has:</p>
 <ul>
 <li><span class='attribute' id="attribution.id">id</span>: an OPTIONAL identifier for the relation;</li> 
 <li><span class='attribute' id="attribution.entity">entity</span>: an entity identifier (<span class="name">e</span>);</li>
 <li><span class='attribute' id="attribution.agent">agent</span>: the identifier (<span class="name">ag</span>) of the agent whom the entity is ascribed to;</li>
 <li><span class='attribute' id="attribution.attributes">attributes</span>: an OPTIONAL set (<span class="name">attrs</span>) of attribute-value pairs representing additional information about this attribution.</li>
 </ul>
-
-<div class="anexample">
+</div>
+
+<div class="anexample" id="anexample-attribution">
 <p>
 Revisiting the example of <a href="#section-example-one">Section 3.1</a>,
 we can ascribe <span class="name">tr:WD-prov-dm-20111215</span> to some agents without an explicit activity. The reserved attribute <span class="name">role</span> (see <a href="#term-attribute-role">Section 4.7.4.3</a>) allows for role of the agent in the attribution to be specified.
--- a/presentations/wais-2012-18-14/prov-dm/overview/extra.css	Tue Apr 17 13:51:14 2012 +0100
+++ b/presentations/wais-2012-18-14/prov-dm/overview/extra.css	Tue Apr 17 15:02:16 2012 +0100
@@ -3,6 +3,11 @@
     font-family: monospace;
 }
 
+.pnExpression {
+    color: blue;
+    font-family: monospace;
+}
+
 .attribute {
     font-family:verdana;
     color: red;
@@ -267,6 +272,29 @@
     background-color: #f9f9f9;
 }
 
+.conceptexample:before {
+    content: "Example:";
+    font-family: sans-serif;
+    font-size: 1.6ex;
+    font-weight: bold;
+}
+.conceptexample {
+    margin-top: 1ex;
+    margin-bottom: 1ex;
+    padding-left: 1ex;
+    padding-right: 1ex;
+    padding-top: 1ex;
+    padding-bottom: 0.6ex;
+    border: 1px solid #00f;
+    background-color: #f9f9f9;
+}
+
+
+.codeexample {
+    font-size: 75%;
+
+}
+
 div[class="grammar"] span[class="name"]:before {
     content: "'";
 }
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/Agents-Responsibility.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/Alternates.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/Collections.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/Derivation.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/Entities-Activities.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/activityAssociation.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/complement-of.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/constraints.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/constraints2.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/example-graphical.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/informedByNonTransitive.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/old-overview.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/sec6-summary.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/timeline.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/viewOf.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/w3-publication1.png has changed
Binary file presentations/wais-2012-18-14/prov-dm/overview/images/w3-publication3.png has changed
--- a/presentations/wais-2012-18-14/prov-dm/overview/index.html	Tue Apr 17 13:51:14 2012 +0100
+++ b/presentations/wais-2012-18-14/prov-dm/overview/index.html	Tue Apr 17 15:02:16 2012 +0100
@@ -149,7 +149,7 @@
 	<h2>Working Group Charter</h2>
 
 
-  <img src="images/wg-charter.png" alt="charter" style="max-width: 70%; "  />
+  <img src="images/wg-charter.png" alt="charter" style="max-width: 100%; "  />
 
 </div>
 
@@ -286,6 +286,9 @@
 
   <img src="images/w3c-publication-reports.svg" alt="PROV-DM overview" style="max-width: 99%; "  />
 
+<span class="pnExpression">entity(tr:WD-prov-dm-20111018, [ prov:type='process:RecsWD' ])</span><br>
+<span class="pnExpression">entity(tr:WD-prov-dm-20111215, [ prov:type='process:RecsWD' ])</span>
+
 </div>
 
 
@@ -298,6 +301,9 @@
 
   <img src="images/w3c-publication-activities.svg" alt="PROV-DM overview" style="max-width: 99%; "  />
 
+<span class="pnExpression">activity(ex:pub1,[prov:type="publish"])</span><br>
+<span class="pnExpression">activity(ex:pub2,[prov:type="publish"])</span>
+
 </div>
 
 <div class="slide" id="agent">
@@ -307,6 +313,8 @@
 
   <img src="images/w3c-publication-agent.svg" alt="PROV-DM overview" style="max-width: 99%; "  />
 
+<span class="pnExpression">agent(w3:Consortium, [ prov:type="Organization" ])</span><br>
+
 </div>
 
 
@@ -318,6 +326,8 @@
 
   <img src="images/w3c-publication-plan.svg" alt="PROV-DM overview" style="max-width: 99%; "  />
 
+<span class="pnExpression">entity(process:rec-advance,    [ prov:type='prov:Plan' ])</span><br>
+
 </div>
 
 
@@ -327,6 +337,10 @@
 
 
   <img src="images/w3c-publication-requests.svg" alt="PROV-DM overview" style="max-width: 99%; "  />
+<span class="pnExpression">entity(0004, [ prov:type="trans:transreq" %% xsd:QName ])</span><br>
+<span class="pnExpression">entity(0141,     [ prov:type="trans:pubreq"   %% xsd:QName ])</span><br>
+<span class="pnExpression">entity(0111,     [ prov:type="trans:pubreq"   %% xsd:QName ])</span>
+
 
 </div>
 
@@ -352,25 +366,6 @@
 
 </div>
 
-<div class="slide" id="components2">
-
-	<h2>PROV Data Model Structure</h2>
-
-<h3>PROV-DM Components</h3>
-<ol>
-<li>Entity/Activity Mechanics</li>
-<li>Derivation</li>
-<li>Responsibility and agent</li>
-<li>Alternate</li>
-<li>Annotation</li>
-<li>Collection</li>
-</ol>
-<h3>PROV-ASN</h3>
-<h3>PROV-DM Constraints</h3>
-
-</div>
-
-
 
 
 <div class="slide" id="at-a-glance">
@@ -383,6 +378,30 @@
 </div>
 
 
+
+<div class="slide" id="prov-types-relations">
+
+	<h2>PROV-DM Types and Relations</h2>
+
+  <div class="element-ref" ref="prov-dm-types-and-relations"></div>
+
+
+</div>
+
+
+
+
+
+<div class="slide" id="coponent1">
+
+	<h2>Component 1</h2>
+
+  <img src="images/Entities-Activities.png" alt="PROV-DM overview" style="max-width: 100%; "  />
+
+
+</div>
+
+
 <!-- PART II Entity -->
 
 <div class="slide" id="entity">
@@ -518,41 +537,14 @@
 
 </div>
 
-
-<!-- PART II  Derivation -->
-
-<div class="slide" id="derivation">
-
+<div class="slide" id="component2">
 
-	<h2>Derivation</h2>
+	<h2>Component 2</h2>
 
-<p>
-<div class="glossary-ref" ref="glossary-derivation">
-</div>
-</p>
-
+  <img src="images/Agents-Responsibility.png" alt="Agents-Responsibility" style="max-width: 100%; "  />
 
 
-<p>
-<div class="element-ref" ref="derivation-example">
-</div>
-</p>
-
-
-<p>
-<div class="element-ref" ref="attributes-derivation">
 </div>
-</p>
-
-
-
-
-<div class="note" id="derivation.note">
-<p>some note here</p>
-</div>
-
-</div>
-
 
 <!-- PART II  -->
 
@@ -587,12 +579,46 @@
 </div>
 
 
+<!-- PART II  Attribution -->
+
+<div class="slide" id="attribution">
+
+
+	<h2>Attribution</h2>
+
+<p>
+<div class="glossary-ref" ref="glossary-attribution">
+</div>
+</p>
+
+
+
+<p>
+<div class="element-ref" ref="attribution-example">
+</div>
+</p>
+
+
+<p>
+<div class="element-ref" ref="attributes-attribution">
+</div>
+</p>
+
+
+
+
+<div class="note" id="attribution.note">
+<p>some note here</p>
+</div>
+
+</div>
+
 <!-- PART II  Association -->
 
 <div class="slide" id="activityAssociation">
 
 
-	<h2>Activity Association</h2>
+	<h2>Association</h2>
 
 <p>
 <div class="glossary-ref" ref="glossary-activityAssociation">
@@ -637,13 +663,13 @@
 
 
 <p>
-<div class="element-ref" ref="responsibilityChain-example">
+<div class="element-ref" ref="responsibility-example">
 </div>
 </p>
 
 
 <p>
-<div class="element-ref" ref="attributes-responsibility-chain">
+<div class="element-ref" ref="attributes-responsibility">
 </div>
 </p>
 
@@ -657,6 +683,62 @@
 </div>
 
 
+<!-- PART II  Derivation -->
+
+<div class="slide" id="component3">
+
+	<h2>Component 3</h2>
+
+  <img src="images/Derivation.png" alt="Derivations" style="max-width: 100%; "  />
+
+
+</div>
+
+
+<div class="slide" id="derivation">
+
+
+	<h2>Derivation</h2>
+
+<p>
+<div class="glossary-ref" ref="glossary-derivation">
+</div>
+</p>
+
+
+
+<p>
+<div class="element-ref" ref="derivation-example">
+</div>
+</p>
+
+
+<p>
+<div class="element-ref" ref="attributes-derivation">
+</div>
+</p>
+
+
+
+
+<div class="note" id="derivation.note">
+<p>some note here</p>
+</div>
+
+</div>
+
+<!-- PART II  Alternates -->
+
+<div class="slide" id="component4">
+
+	<h2>Component 4</h2>
+
+  <img src="images/Alternates.png" alt="Alternates" style="max-width: 100%; "  />
+
+
+</div>
+
+
 <div class="slide" id="alternate">
 
 
@@ -708,45 +790,25 @@
 
 </div>
 
-
-<div class="slide" id="note">
-
-
-	<h2>Notes</h2>
-
-<p>
-<div class="glossary-ref" ref="glossary-note">
-</div>
-</p>
+<div class="slide" id="component5">
 
-<p>
-<div class="element-ref" ref="attributes-note">
-</div>
-</p>
+	<h2>Component 5</h2>
 
-<p>
-<div class="element-ref" ref="anexample-note2">
-</div>
-</p>
+  <img src="images/Collections.png" alt="Collections" style="max-width: 100%; "  />
 
 
-
-<div class="note" id="responsibility.note">
-<p>some note here</p>
-</div>
-
 </div>
 
 <!--  ---------------------------------------------------------------------- -->
 
-<div class="slide" id="prov-asn">
+<div class="slide" id="prov-n">
 
-	<h2>PROV-ASN</h2>
+	<h2>PROV-N: The PROV Notation</h2>
 
 <ul>
 <li>A notation aimed at Human Consumption
 <pre>
-entity(tr:WD-prov-dm-20111215, [ prov:type="pr:RecsWD" %% xsd:QName ])
+entity(tr:WD-prov-dm-20111215, [ prov:type='pr:RecsWD' ])
 </pre>
 <li> Used in mapping data model to RDF (and XML)
 <img src="images/ProvRdf.png" alt="charter" style="max-width: 70%; "  />
@@ -755,9 +817,9 @@
 </div>
 
 
-<div class="slide" id="prov-asn2">
+<div class="slide" id="prov-n2">
 
-	<h2>PROV-ASN</h2>
+	<h2>Example in PROV-N</h2>
 
 <div  style="font-size:small; max-width: 105%; ">
 <pre>