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ISSUE-495
authorLuc Moreau <l.moreau@ecs.soton.ac.uk>
Tue, 09 Oct 2012 12:41:08 +0100
changeset 4516 998d228b4a8e
parent 4515 9fb92e012cec
child 4517 2bff3803f5fc
ISSUE-495
model/diff.html
model/prov-dm.html 
--- a/model/diff.html	Tue Oct 09 11:54:15 2012 +0100
+++ b/model/diff.html	Tue Oct 09 12:41:08 2012 +0100
@@ -1,4 +1,3 @@
-
 <!DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>
 <html lang="en" dir="ltr">
 <head><style type="text/css"><!--
@@ -1104,7 +1103,7 @@
 should focus on PROV-DM and PROV-CONSTRAINTS.  PROV-O and PROV-N offer examples of mapping to RDF and text, respectively.</li>
 </ul>
 <p>This document was published by the <a href="http://www.w3.org/2011/prov/">Provenance Working Group</a> as <span class="delete">a Last Call Working</span><span class="insert">an Editor's</span> Draft.<span class="delete"> This document is intended to become a </span><span class="delete">W3C</span><span class="delete"> Recommendation.</span> If you wish to make comments regarding this document, please send them to <a href="mailto:public-prov-comments@w3.org">public-prov-comments@w3.org</a> (<a href="mailto:public-prov-comments-request@w3.org?subject=subscribe">subscribe</a>, <a href="http://lists.w3.org/Archives/Public/public-prov-comments/">archives</a>).<span class="delete"> The Last Call period ends 18 September 2012.</span> All feedback is welcome.</p><p>Publication as <span class="delete">a Working</span><span class="insert">an Editor's</span> Draft does not imply endorsement by the <acronym title="World Wide Web Consortium">W3C</acronym> Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.<span class="delete">This is a Last Call Working Draft and thus the Working Group has determined that this document has satisfied the relevant technical requirements and is sufficiently stable to advance through the Technical Recommendation process.</span></p><p>This document was produced by a group operating under the <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/">5 February 2004 <acronym title="World Wide Web Consortium">W3C</acronym> Patent Policy</a>. <acronym title="World Wide Web Consortium">W3C</acronym> maintains a <a href="http://www.w3.org/2004/01/pp-impl/46974/status" rel="disclosure">public list of any patent disclosures</a> made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/#def-essential">Essential Claim(s)</a> must disclose the information in accordance with <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/#sec-Disclosure">section 6 of the <acronym title="World Wide Web Consortium">W3C</acronym> Patent Policy</a>.</p></div><div id="toc" class="section"><h2 class="introductory">Table of Contents</h2><ul class="toc"><li class="tocline"><a href="#introduction" class="tocxref"><span class="secno">1. </span>Introduction<br>
-</a><ul class="toc"><li class="tocline"><a href="#structure-of-this-document" class="tocxref"><span class="secno">1.1 </span>Structure of this Document</a></li><li class="tocline"><a href="#conventions" class="tocxref"><span class="secno">1.2 </span>Notational Conventions</a></li><li class="tocline"><a href="#namespaces" class="tocxref"><span class="secno">1.3 </span>Namespaces</a></li></ul></li><li class="tocline"><a href="#section-prov-overview" class="tocxref"><span class="secno">2. </span>PROV Overview</a><ul class="toc"><li class="tocline"><a href="#core-structures" class="tocxref"><span class="secno">2.1 </span>PROV Core Structures</a><ul class="toc"><li class="tocline"><a href="#section-entity-activity" class="tocxref"><span class="secno">2.1.1 </span>Entity and Activity</a></li><li class="tocline"><a href="#section-derivation" class="tocxref"><span class="secno">2.1.2 </span>Derivation</a></li><li class="tocline"><a href="#section-agents-attribution-association-delegation" class="tocxref"><span class="secno">2.1.3 </span>Agents and Responsibility</a></li></ul></li><li class="tocline"><a href="#section-extended-structures" class="tocxref"><span class="secno">2.2 </span>PROV Extended Structures</a><ul class="toc"><li class="tocline"><a href="#section-prov-extended-mechanisms" class="tocxref"><span class="secno">2.2.1 </span>Mechanisms to Define Extended Structures</a><ul class="toc"><li class="tocline"><a href="#section-prov-extended-approach-subtyping" class="tocxref"><span class="secno">2.2.1.1 </span>Subtyping</a></li><li class="tocline"><a href="#section-prov-extended-approach-expanded-relation" class="tocxref"><span class="secno">2.2.1.2 </span>Expanded Relations</a></li><li class="tocline"><a href="#section-prov-extended-approach-optional-identification" class="tocxref"><span class="secno">2.2.1.3 </span>Optional Identification</a></li><li class="tocline"><a href="#section-prov-extended-approach-further-relations" class="tocxref"><span class="secno">2.2.1.4 </span>Further Relations</a></li></ul></li><li class="tocline"><a href="#section-provenance-of-provnance" class="tocxref"><span class="secno">2.2.2 </span>Provenance of Provenance</a></li><li class="tocline"><a href="#section-collections" class="tocxref"><span class="secno">2.2.3 </span>Collections</a></li></ul></li><li class="tocline"><a href="#section-overview-components" class="tocxref"><span class="secno">2.3 </span>Modular Organization</a></li></ul></li><li class="tocline"><a href="#prov-notation" class="tocxref"><span class="secno">3. </span>The Provenance Notation</a></li><li class="tocline"><a href="#prov-dm-example" class="tocxref"><span class="secno">4. </span>Illustration of PROV-DM by an Example</a><ul class="toc"><li class="tocline"><a href="#section-example-one" class="tocxref"><span class="secno">4.1 </span>Example: The Authors View</a></li><li class="tocline"><a href="#section-example-two" class="tocxref"><span class="secno">4.2 </span>Example: The Process View</a></li><li class="tocline"><a href="#section-example-c" class="tocxref"><span class="secno">4.3 </span>Example: Attribution of Provenance</a></li></ul></li><li class="tocline"><a href="#data-model-components" class="tocxref"><span class="secno">5. </span>PROV-DM Types and Relations</a><ul class="toc"><li class="tocline"><a href="#component1" class="tocxref"><span class="secno">5.1 </span>Component 1: Entities and Activities</a><ul class="toc"><li class="tocline"><a href="#term-entity" class="tocxref"><span class="secno">5.1.1 </span>Entity</a></li><li class="tocline"><a href="#term-Activity" class="tocxref"><span class="secno">5.1.2 </span>Activity</a></li><li class="tocline"><a href="#term-Generation" class="tocxref"><span class="secno">5.1.3 </span>Generation</a></li><li class="tocline"><a href="#term-Usage" class="tocxref"><span class="secno">5.1.4 </span>Usage</a></li><li class="tocline"><a href="#term-Communication" class="tocxref"><span class="secno">5.1.5 </span>Communication</a></li><li class="tocline"><a href="#term-Start" class="tocxref"><span class="secno">5.1.6 </span>Start</a></li><li class="tocline"><a href="#term-End" class="tocxref"><span class="secno">5.1.7 </span>End</a></li><li class="tocline"><a href="#term-Invalidation" class="tocxref"><span class="secno">5.1.8 </span>Invalidation</a></li></ul></li><li class="tocline"><a href="#component2" class="tocxref"><span class="secno">5.2 </span>Component 2: Derivations</a><ul class="toc"><li class="tocline"><a href="#term-Derivation" class="tocxref"><span class="secno">5.2.1 </span>Derivation</a></li><li class="tocline"><a href="#term-revision" class="tocxref"><span class="secno">5.2.2 </span>Revision</a></li><li class="tocline"><a href="#term-quotation" class="tocxref"><span class="secno">5.2.3 </span>Quotation</a></li><li class="tocline"><a href="#term-primary-source" class="tocxref"><span class="secno">5.2.4 </span>Primary Source</a></li></ul></li><li class="tocline"><a href="#component3" class="tocxref"><span class="secno">5.3 </span>Component 3: Agents, Responsibility, and Influence</a><ul class="toc"><li class="tocline"><a href="#term-agent" class="tocxref"><span class="secno">5.3.1 </span>Agent</a></li><li class="tocline"><a href="#term-attribution" class="tocxref"><span class="secno">5.3.2 </span>Attribution</a></li><li class="tocline"><a href="#term-Association" class="tocxref"><span class="secno">5.3.3 </span>Association</a></li><li class="tocline"><a href="#term-delegation" class="tocxref"><span class="secno">5.3.4 </span>Delegation</a></li><li class="tocline"><a href="#term-influence" class="tocxref"><span class="secno">5.3.5 </span>Influence</a></li></ul></li><li class="tocline"><a href="#component4" class="tocxref"><span class="secno">5.4 </span>Component 4: Bundles</a><ul class="toc"><li class="tocline"><a href="#term-bundle" class="tocxref"><span class="secno">5.4.1 </span>Bundle constructor</a></li><li class="tocline"><a href="#term-bundle-entity" class="tocxref"><span class="secno">5.4.2 </span>Bundle Type</a></li></ul></li><li class="tocline"><a href="#component5" class="tocxref"><span class="secno">5.5 </span>Component 5: Alternate Entities</a><ul class="toc"><li class="tocline"><a href="#term-specialization" class="tocxref"><span class="secno">5.5.1 </span>Specialization</a></li><li class="tocline"><a href="#term-alternate" class="tocxref"><span class="secno">5.5.2 </span>Alternate</a></li><li class="tocline"><a href="#term-mention" class="tocxref"><span class="secno">5.5.3 </span>Mention</a></li></ul></li><li class="tocline"><a href="#component6" class="tocxref"><span class="secno">5.6 </span>Component 6: Collections</a><ul class="toc"><li class="tocline"><a href="#term-collection" class="tocxref"><span class="secno">5.6.1 </span>Collection</a></li><li class="tocline"><a href="#term-membership" class="tocxref"><span class="secno">5.6.2 </span>Membership</a></li></ul></li><li class="tocline"><a href="#second-class-elements" class="tocxref"><span class="secno">5.7 </span>Further Elements of PROV-DM</a><ul class="toc"><li class="tocline"><a href="#term-identifier" class="tocxref"><span class="secno">5.7.1 </span>Identifier</a></li><li class="tocline"><a href="#term-attribute" class="tocxref"><span class="secno">5.7.2 </span>Attribute</a><ul class="toc"><li class="tocline"><a href="#term-attribute-label" class="tocxref"><span class="secno">5.7.2.1 </span>prov:label</a></li><li class="tocline"><a href="#term-attribute-location" class="tocxref"><span class="secno">5.7.2.2 </span>prov:location</a></li><li class="tocline"><a href="#term-attribute-role" class="tocxref"><span class="secno">5.7.2.3 </span>prov:role</a></li><li class="tocline"><a href="#term-attribute-type" class="tocxref"><span class="secno">5.7.2.4 </span>prov:type</a></li><li class="tocline"><a href="#term-attribute-value" class="tocxref"><span class="secno">5.7.2.5 </span>prov:value</a></li></ul></li><li class="tocline"><a href="#term-value" class="tocxref"><span class="secno">5.7.3 </span>Value</a></li><li class="tocline"><a href="#term-NamespaceDeclaration" class="tocxref"><span class="secno">5.7.4 </span>Namespace Declaration</a></li><li class="tocline"><a href="#term-qualified-name" class="tocxref"><span class="secno">5.7.5 </span>Qualified Name</a></li></ul></li></ul></li><li class="tocline"><a href="#extensibility-section" class="tocxref"><span class="secno">6. </span>PROV-DM Extensibility Points</a></li><li class="tocline"><a href="#valid-provenance" class="tocxref"><span class="secno">7. </span>Creating Valid Provenance</a></li><li class="tocline"><a href="#cross-references-to-prov-o-and-prov-n" class="tocxref"><span class="secno">A. </span>Cross-References to PROV-O and PROV-N</a></li><li class="tocline"><a href="#changes-since-last-version" class="tocxref"><span class="secno"><span class="insert">B. </span></span><span class="insert">Changes since last version</span></a></li><li class="tocline"><a href="#acknowledgements" class="tocxref"><span class="secno"><span class="delete">B.</span><span class="insert">C.</span> </span>Acknowledgements</a></li><li class="tocline"><a href="#references" class="tocxref"><span class="secno"><span class="delete">C.</span><span class="insert">D.</span> </span>References</a><ul class="toc"><li class="tocline"><a href="#normative-references" class="tocxref"><span class="secno"><span class="delete">C.1</span><span class="insert">D.1</span> </span>Normative references</a></li><li class="tocline"><a href="#informative-references" class="tocxref"><span class="secno"><span class="delete">C.2</span><span class="insert">D.2</span> </span>Informative references</a></li></ul></li></ul></div> 
+</a><ul class="toc"><li class="tocline"><a href="#compliance-with-this-document" class="tocxref"><span class="secno"><span class="insert">1.1 </span></span><span class="insert">Compliance with this Document</span></a></li><li class="tocline"><a href="#structure-of-this-document" class="tocxref"><span class="secno"><span class="delete">1.1</span><span class="insert">1.2</span> </span>Structure of this Document</a></li><li class="tocline"><a href="#conventions" class="tocxref"><span class="secno"><span class="delete">1.2</span><span class="insert">1.3</span> </span>Notational Conventions</a></li><li class="tocline"><a href="#namespaces" class="tocxref"><span class="secno"><span class="delete">1.3</span><span class="insert">1.4</span> </span>Namespaces</a></li></ul></li><li class="tocline"><a href="#section-prov-overview" class="tocxref"><span class="secno">2. </span>PROV Overview</a><ul class="toc"><li class="tocline"><a href="#core-structures" class="tocxref"><span class="secno">2.1 </span>PROV Core Structures</a><ul class="toc"><li class="tocline"><a href="#section-entity-activity" class="tocxref"><span class="secno">2.1.1 </span>Entity and Activity</a></li><li class="tocline"><a href="#section-derivation" class="tocxref"><span class="secno">2.1.2 </span>Derivation</a></li><li class="tocline"><a href="#section-agents-attribution-association-delegation" class="tocxref"><span class="secno">2.1.3 </span>Agents and Responsibility</a></li></ul></li><li class="tocline"><a href="#section-extended-structures" class="tocxref"><span class="secno">2.2 </span>PROV Extended Structures</a><ul class="toc"><li class="tocline"><a href="#section-prov-extended-mechanisms" class="tocxref"><span class="secno">2.2.1 </span>Mechanisms to Define Extended Structures</a><ul class="toc"><li class="tocline"><a href="#section-prov-extended-approach-subtyping" class="tocxref"><span class="secno">2.2.1.1 </span>Subtyping</a></li><li class="tocline"><a href="#section-prov-extended-approach-expanded-relation" class="tocxref"><span class="secno">2.2.1.2 </span>Expanded Relations</a></li><li class="tocline"><a href="#section-prov-extended-approach-optional-identification" class="tocxref"><span class="secno">2.2.1.3 </span>Optional Identification</a></li><li class="tocline"><a href="#section-prov-extended-approach-further-relations" class="tocxref"><span class="secno">2.2.1.4 </span>Further Relations</a></li></ul></li><li class="tocline"><a href="#section-provenance-of-provnance" class="tocxref"><span class="secno">2.2.2 </span>Provenance of Provenance</a></li><li class="tocline"><a href="#section-collections" class="tocxref"><span class="secno">2.2.3 </span>Collections</a></li></ul></li><li class="tocline"><a href="#section-overview-components" class="tocxref"><span class="secno">2.3 </span>Modular Organization</a></li></ul></li><li class="tocline"><a href="#prov-notation" class="tocxref"><span class="secno">3. </span>The Provenance Notation</a></li><li class="tocline"><a href="#prov-dm-example" class="tocxref"><span class="secno">4. </span>Illustration of PROV-DM by an Example</a><ul class="toc"><li class="tocline"><a href="#section-example-one" class="tocxref"><span class="secno">4.1 </span>Example: The Authors View</a></li><li class="tocline"><a href="#section-example-two" class="tocxref"><span class="secno">4.2 </span>Example: The Process View</a></li><li class="tocline"><a href="#section-example-c" class="tocxref"><span class="secno">4.3 </span>Example: Attribution of Provenance</a></li></ul></li><li class="tocline"><a href="#data-model-components" class="tocxref"><span class="secno">5. </span>PROV-DM Types and Relations</a><ul class="toc"><li class="tocline"><a href="#component1" class="tocxref"><span class="secno">5.1 </span>Component 1: Entities and Activities</a><ul class="toc"><li class="tocline"><a href="#term-entity" class="tocxref"><span class="secno">5.1.1 </span>Entity</a></li><li class="tocline"><a href="#term-Activity" class="tocxref"><span class="secno">5.1.2 </span>Activity</a></li><li class="tocline"><a href="#term-Generation" class="tocxref"><span class="secno">5.1.3 </span>Generation</a></li><li class="tocline"><a href="#term-Usage" class="tocxref"><span class="secno">5.1.4 </span>Usage</a></li><li class="tocline"><a href="#term-Communication" class="tocxref"><span class="secno">5.1.5 </span>Communication</a></li><li class="tocline"><a href="#term-Start" class="tocxref"><span class="secno">5.1.6 </span>Start</a></li><li class="tocline"><a href="#term-End" class="tocxref"><span class="secno">5.1.7 </span>End</a></li><li class="tocline"><a href="#term-Invalidation" class="tocxref"><span class="secno">5.1.8 </span>Invalidation</a></li></ul></li><li class="tocline"><a href="#component2" class="tocxref"><span class="secno">5.2 </span>Component 2: Derivations</a><ul class="toc"><li class="tocline"><a href="#term-Derivation" class="tocxref"><span class="secno">5.2.1 </span>Derivation</a></li><li class="tocline"><a href="#term-revision" class="tocxref"><span class="secno">5.2.2 </span>Revision</a></li><li class="tocline"><a href="#term-quotation" class="tocxref"><span class="secno">5.2.3 </span>Quotation</a></li><li class="tocline"><a href="#term-primary-source" class="tocxref"><span class="secno">5.2.4 </span>Primary Source</a></li></ul></li><li class="tocline"><a href="#component3" class="tocxref"><span class="secno">5.3 </span>Component 3: Agents, Responsibility, and Influence</a><ul class="toc"><li class="tocline"><a href="#term-agent" class="tocxref"><span class="secno">5.3.1 </span>Agent</a></li><li class="tocline"><a href="#term-attribution" class="tocxref"><span class="secno">5.3.2 </span>Attribution</a></li><li class="tocline"><a href="#term-Association" class="tocxref"><span class="secno">5.3.3 </span>Association</a></li><li class="tocline"><a href="#term-delegation" class="tocxref"><span class="secno">5.3.4 </span>Delegation</a></li><li class="tocline"><a href="#term-influence" class="tocxref"><span class="secno">5.3.5 </span>Influence</a></li></ul></li><li class="tocline"><a href="#component4" class="tocxref"><span class="secno">5.4 </span>Component 4: Bundles</a><ul class="toc"><li class="tocline"><a href="#term-bundle" class="tocxref"><span class="secno">5.4.1 </span>Bundle constructor</a></li><li class="tocline"><a href="#term-bundle-entity" class="tocxref"><span class="secno">5.4.2 </span>Bundle Type</a></li></ul></li><li class="tocline"><a href="#component5" class="tocxref"><span class="secno">5.5 </span>Component 5: Alternate Entities</a><ul class="toc"><li class="tocline"><a href="#term-specialization" class="tocxref"><span class="secno">5.5.1 </span>Specialization</a></li><li class="tocline"><a href="#term-alternate" class="tocxref"><span class="secno">5.5.2 </span>Alternate</a></li><li class="tocline"><a href="#term-mention" class="tocxref"><span class="secno">5.5.3 </span>Mention</a></li></ul></li><li class="tocline"><a href="#component6" class="tocxref"><span class="secno">5.6 </span>Component 6: Collections</a><ul class="toc"><li class="tocline"><a href="#term-collection" class="tocxref"><span class="secno">5.6.1 </span>Collection</a></li><li class="tocline"><a href="#term-membership" class="tocxref"><span class="secno">5.6.2 </span>Membership</a></li></ul></li><li class="tocline"><a href="#second-class-elements" class="tocxref"><span class="secno">5.7 </span>Further Elements of PROV-DM</a><ul class="toc"><li class="tocline"><a href="#term-identifier" class="tocxref"><span class="secno">5.7.1 </span>Identifier</a></li><li class="tocline"><a href="#term-attribute" class="tocxref"><span class="secno">5.7.2 </span>Attribute</a><ul class="toc"><li class="tocline"><a href="#term-attribute-label" class="tocxref"><span class="secno">5.7.2.1 </span>prov:label</a></li><li class="tocline"><a href="#term-attribute-location" class="tocxref"><span class="secno">5.7.2.2 </span>prov:location</a></li><li class="tocline"><a href="#term-attribute-role" class="tocxref"><span class="secno">5.7.2.3 </span>prov:role</a></li><li class="tocline"><a href="#term-attribute-type" class="tocxref"><span class="secno">5.7.2.4 </span>prov:type</a></li><li class="tocline"><a href="#term-attribute-value" class="tocxref"><span class="secno">5.7.2.5 </span>prov:value</a></li></ul></li><li class="tocline"><a href="#term-value" class="tocxref"><span class="secno">5.7.3 </span>Value</a></li><li class="tocline"><a href="#term-NamespaceDeclaration" class="tocxref"><span class="secno">5.7.4 </span>Namespace Declaration</a></li><li class="tocline"><a href="#term-qualified-name" class="tocxref"><span class="secno">5.7.5 </span>Qualified Name</a></li></ul></li></ul></li><li class="tocline"><a href="#extensibility-section" class="tocxref"><span class="secno">6. </span>PROV-DM Extensibility Points</a></li><li class="tocline"><a href="#valid-provenance" class="tocxref"><span class="secno">7. </span>Creating Valid Provenance</a></li><li class="tocline"><a href="#cross-references-to-prov-o-and-prov-n" class="tocxref"><span class="secno">A. </span>Cross-References to PROV-O and PROV-N</a></li><li class="tocline"><a href="#changes-since-last-version" class="tocxref"><span class="secno"><span class="insert">B. </span></span><span class="insert">Changes since last version</span></a></li><li class="tocline"><a href="#acknowledgements" class="tocxref"><span class="secno"><span class="delete">B.</span><span class="insert">C.</span> </span>Acknowledgements</a></li><li class="tocline"><a href="#references" class="tocxref"><span class="secno"><span class="delete">C.</span><span class="insert">D.</span> </span>References</a><ul class="toc"><li class="tocline"><a href="#normative-references" class="tocxref"><span class="secno"><span class="delete">C.1</span><span class="insert">D.1</span> </span>Normative references</a></li><li class="tocline"><a href="#informative-references" class="tocxref"><span class="secno"><span class="delete">C.2</span><span class="insert">D.2</span> </span>Informative references</a></li></ul></li></ul></div> 
 
 
 
@@ -1183,8 +1182,24 @@
 </p>
 
 
-<div id="structure-of-this-document" class="section"> 
-<h3><span class="secno">1.1 </span>Structure of this Document</h3>
+
+
+<div id="compliance-with-this-document" class="section"> 
+<h3><span class="secno">1.1 </span><span class="delete">Structure of</span><span class="insert">Compliance with</span> this Document</h3>
+
+
+<p><span class="insert">For the purpose of compliance, the normative sections of this document
+are section2 1.1, 1.3, 5, and appendix A, with the following caveats.</span></p>
+<ul>
+<li><span class="insert"> Information in tables is normative if it appears in a normative section. </span></li>
+<li><span class="insert"> All figures (including UML diagrams) are informative. </span></li>
+<li><span class="insert"> Text in boxes labeled "Example" is informative.
+</span></li></ul>
+</div>
+
+
+<div class="informative section" id="structure-of-this-document"> 
+<h3><span class="secno"><span class="insert">1.2 </span></span><span class="insert">Structure of this Document</span></h3><p><em><span class="insert">This section is non-normative.</span></em></p>
 
 <p><a href="#section-prov-overview">Section 2</a> provides an overview of the PROV Data Model,  distinguishing a core set of types and  relations, commonly found in provenance, from extended structures catering for more specific uses. It also introduces a modular organization of the data model in components. </p>
 
@@ -1207,7 +1222,7 @@
 </div> 
 
 <div id="conventions" class="section"> 
-<h3><span class="secno">1.2 </span>Notational Conventions</h3>
+<h3><span class="secno"><span class="delete">1.2</span><span class="insert">1.3</span> </span>Notational Conventions</h3>
 
 
 
@@ -1225,8 +1240,8 @@
 
 </div> 
 
-<div id="namespaces" class="section"> 
-<h3><span class="secno">1.3 </span>Namespaces</h3>
+<div class="informative section" id="namespaces"> 
+<h3><span class="secno"><span class="delete">1.3</span><span class="insert">1.4</span> </span>Namespaces</h3><p><em><span class="insert">This section is non-normative.</span></em></p>
 
 <p>
 The following namespaces prefixes are used throughout this document.
@@ -1249,8 +1264,8 @@
 
 
 
-<div id="section-prov-overview" class="section"> 
-<h2><span class="secno">2. </span>PROV Overview</h2>
+<div class="informative section" id="section-prov-overview"> 
+<h2><span class="secno">2. </span>PROV Overview</h2><p><em><span class="insert">This section is non-normative.</span></em></p>
 
 <p>This section introduces provenance concepts with informal explanations and illustrative
 examples. PROV distinguishes  <em>core structures</em>, forming the essence of  provenance, from <em>extended structures</em> catering for more specific uses of provenance.  Core and extended structures are respectively presented in <a href="#core-structures">Section 2.1</a> and <a href="#section-extended-structures">Section 2.2</a>. Furthermore, the PROV data model is organized according to components, which form thematic groupings of concepts (see <a href="#section-overview-components">Section 2.3</a>). A <em>provenance description</em> is an instance of  a core and extended provenance structure described below.
@@ -1272,7 +1287,7 @@
 <div style="text-align: center; ">
  <span class="figure" id="prov-core-structures-top" style="max-width: 70%; ">
 <img src="uml/essentials.png" alt="PROV Core Structures" style="max-width: 70%; "><br>
-<span class="figcaption" id="prov-core-structures">Figure 1<sup><a class="internalDFN" href="#prov-core-structures"><span class="diamond"> ◊:</span></a></sup> PROV Core Structures</span>
+<span class="figcaption" id="prov-core-structures">Figure 1<sup><a class="internalDFN" href="#prov-core-structures"><span class="diamond"> ◊:</span></a></sup> PROV Core Structures<span class="insert"> (Informative)</span></span>
   </span>
 </div>
 
@@ -1522,7 +1537,7 @@
 <p>
 <span class="glossary-ref">
    An <span class="dfn">agent</span> is something that bears some form of responsibility for an activity taking place, for the existence of an entity, or for another agent's activity. </span>   [<a href="#term-agent">Detailed specification</a>]
- An agent <em class="rfc2119" title="may">may</em> be a particular type of entity or activity. This means that the model can be
+ An agent may be a particular type of entity or activity. This means that the model can be
  used to express provenance of the agents themselves.  
 </p>
 
@@ -1778,12 +1793,12 @@
 </div>
 
 
-<div id="prov-notation" class="section">  
-<h2><span class="secno">3. </span>The Provenance Notation</h2>
+<div class="informative section" id="prov-notation">  
+<h2><span class="secno">3. </span>The Provenance Notation</h2><p><em><span class="insert">This section is non-normative.</span></em></p>
 
 
 <p>To illustrate the application of PROV concepts to a concrete example (see <a href="#prov-dm-example">Section 4</a>) and to provide examples of concepts (see <a href="#data-model-components">Section 5</a>),
-we introduce PROV-N, a notation for writing instances of the PROV data model. For full details, the reader is referred to the companion specification [<cite><a class="bibref" rel="biblioentry" href="#bib-PROV-N">PROV-N</a></cite>].
+we introduce PROV-N, a notation for writing instances of the PROV data model. For full <span class="delete">details,</span><span class="insert">details and for a normative reference,</span> the reader is referred to the companion specification [<cite><a class="bibref" rel="biblioentry" href="#bib-PROV-N">PROV-N</a></cite>].
 PROV-N is a notation  aimed at human consumption, with the following characteristics:</p>
 <ul>
 <li>PROV-N expressions adopt a <em>functional notation</em> consisting
@@ -1831,8 +1846,8 @@
 </div>
 
 
-<div id="prov-dm-example" class="section"> 
-<h2><span class="secno">4. </span>Illustration of PROV-DM by an Example</h2>
+<div class="informative section" id="prov-dm-example"> 
+<h2><span class="secno">4. </span>Illustration of PROV-DM by an Example</h2><p><em><span class="insert">This section is non-normative.</span></em></p>
 
 <p><a href="#section-prov-overview">Section 2</a> has introduced some provenance concepts, and how they are expressed as types or relations in the PROV data model. The purpose of this section is to put these concepts into practice in order to express the provenance of some document published on the Web.  
 With this realistic example, PROV concepts are  composed together,  and a graphical illustration shows a provenance description forming a directed graph, rooted at the entity we want to explain the provenance of, and pointing to the entities, activities, and agents it depended on. This example also shows that, sometimes, multiple provenance descriptions about the same entity can co-exist, which then justifies the need for provenance of provenance.</p>
@@ -1866,7 +1881,7 @@
 <div style="text-align: center; ">
   <span class="figure" id="prov-a-document1-top">
   <img src="images/dm/w3c-publication1.png" alt="Provenance of a Document (1)" style="max-width: 98%; "><br>
-<span class="figcaption" id="prov-a-document1">Figure 2<sup><a class="internalDFN" href="#prov-a-document1"><span class="diamond"> ◊:</span></a></sup> Provenance of a Document (1)</span> 
+<span class="figcaption" id="prov-a-document1">Figure 2<sup><a class="internalDFN" href="#prov-a-document1"><span class="diamond"> ◊:</span></a></sup> Provenance of a Document <span class="delete">(1)</span><span class="insert">(part 1)  (Informative)</span></span> 
   </span>
 </div>
 
@@ -1952,7 +1967,7 @@
 </p><div style="text-align: center;">
   <span class="figure" id="prov-a-document2-top">
   <img src="images/dm/w3c-publication2.png" alt="Provenance of a Document (2)" style="max-width: 90%; "><br>
-<span class="figcaption" id="prov-a-document2">Figure 3<sup><a class="internalDFN" href="#prov-a-document2"><span class="diamond"> ◊:</span></a></sup> Provenance of a Document (2)</span> 
+<span class="figcaption" id="prov-a-document2">Figure 3<sup><a class="internalDFN" href="#prov-a-document2"><span class="diamond"> ◊:</span></a></sup> Provenance of a Document <span class="delete">(2)</span><span class="insert">(part 2) (Informative)</span></span> 
   </span>
 </div>
 
@@ -2083,12 +2098,12 @@
 <area title="bundles" href="#component4" coords="268,67,402,201" alt="bundles" shape="rect">
 </map>
 <br>
-<span class="figcaption" id="prov-dm-components">Figure 4<sup><a class="internalDFN" href="#prov-dm-components"><span class="diamond"> ◊:</span></a></sup> PROV-DM Components</span>  
+<span class="figcaption" id="prov-dm-components">Figure 4<sup><a class="internalDFN" href="#prov-dm-components"><span class="diamond"> ◊:</span></a></sup> PROV-DM Components<span class="insert"> (Informative)</span></span>  
 </span>
 </div>
 
 <p>
-While  not all PROV-DM relations are binary, they all involve two primary elements. Hence, <a href="#relations-at-a-glance">Table 4</a> indexes all relations according to their two primary elements (referred to as subject and object).  The table adopts the same color scheme as <a href="#prov-dm-components">Figure 4</a>, allowing components to be readily identified.
+While  not all PROV-DM relations are binary, they all involve two primary elements. Hence, <a href="#relations-at-a-glance">Table 4</a> indexes all relations<span class="insert"> (except </span><a href="#dfn-wasinfluencedby" class="internalDFN"><span class="insert">wasInfluencedBy</span></a><span class="insert">)</span> according to their two primary elements (referred to as subject and object).  The table adopts the same color scheme as <a href="#prov-dm-components">Figure 4</a>, allowing components to be readily identified.
 Note that for simplicity, this table  does not include collection-oriented relations.
 Relation names appearing in bold correspond to the core structures introduced
 in <a href="#core-structures">Section 2.1</a>.</p>
@@ -2204,7 +2219,7 @@
 <div style="text-align: center;">
 <span class="figure" style="max-width: 95%; ">
 <img src="uml/component1.png" alt="entities and activities"><br>
-<span class="figcaption" id="figure-component1">Figure 5<sup><a class="internalDFN" href="#figure-component1"><span class="diamond"> ◊:</span></a></sup> Entities and Activities Component Overview</span> 
+<span class="figcaption" id="figure-component1">Figure 5<sup><a class="internalDFN" href="#figure-component1"><span class="diamond"> ◊:</span></a></sup> Entities and Activities Component Overview<span class="insert"> (Informative)</span></span> 
 </span>
 </div>
 
@@ -2624,7 +2639,7 @@
 <div style="text-align: center;">
 <span class="figure" style="max-width: 95%; ">
 <img src="uml/component2.png" alt="derivation"><br>
-<span class="figcaption" id="figure-component2">Figure 6<sup><a class="internalDFN" href="#figure-component2"><span class="diamond"> ◊:</span></a></sup> Derivation Component Overview</span> 
+<span class="figcaption" id="figure-component2">Figure 6<sup><a class="internalDFN" href="#figure-component2"><span class="diamond"> ◊:</span></a></sup> Derivation Component Overview<span class="insert"> (Informative)</span></span> 
 </span>
 </div>
 
@@ -2823,7 +2838,7 @@
 <div style="text-align: center;">
 <span class="figure" style="max-width: 95%; ">
 <img src="uml/component3.png" alt="agents and responsibilities"><br>
-<span class="figcaption" id="figure-component3">Figure 7<sup><a class="internalDFN" href="#figure-component3"><span class="diamond"> ◊:</span></a></sup> Agents and Responsibility Overview</span> 
+<span class="figcaption" id="figure-component3">Figure 7<sup><a class="internalDFN" href="#figure-component3"><span class="diamond"> ◊:</span></a></sup> Agents and Responsibility Overview<span class="insert"> (Informative)</span></span> 
 </span>
 </div>
 
@@ -2832,8 +2847,8 @@
 
 <div style="text-align: center;">
 <span class="figure" style="max-width: 95%; ">
-<img src="uml/Component3b.png" alt="Influence"><br>
-<span class="figcaption" id="figure-component3b">Figure 8<sup><a class="internalDFN" href="#figure-component3b"><span class="diamond"> ◊:</span></a></sup> Influence</span> 
+<img src="uml/Component3b.png" alt="Influence Overview"><br>
+<span class="figcaption" id="figure-component3b">Figure 8<sup><a class="internalDFN" href="#figure-component3b"><span class="diamond"> ◊:</span></a></sup> Influence<span class="insert"> Overview (Informative)</span></span> 
 </span>
 </div>
 
@@ -3088,7 +3103,7 @@
 on <span class="name">tr:WD-prov-dm-20111215</span>.
 </p><pre class="codeexample"> wasInfluencedBy(tr:WD-prov-dm-20111215, w3:Consortium)
 </pre>
-Instead, it is <em class="rfc2119" title="recommended">recommended</em> to express the more specific description:
+Instead, it is recommended to express the more specific description:
 <pre class="codeexample"> wasAttributedTo(tr:WD-prov-dm-20111215, w3:Consortium)
 </pre>
 </div>
@@ -3115,7 +3130,7 @@
 <span class="figure" style="max-width: 95%; ">
 
 <img src="uml/component4.png" alt="bundles"><br>
-<span class="figcaption" id="figure-component4">Figure 9<sup><a class="internalDFN" href="#figure-component4"><span class="diamond"> ◊:</span></a></sup> <span class="delete">Figure 9: </span>Bundle Component Overview</span>
+<span class="figcaption" id="figure-component4">Figure 9<sup><a class="internalDFN" href="#figure-component4"><span class="diamond"> ◊:</span></a></sup> <span class="delete">Figure 9: </span>Bundle Component Overview<span class="insert"> (Informative)</span></span>
 </span>
 </div>
 
@@ -3268,7 +3283,7 @@
 <div style="text-align: center;">
 <span class="figure" style="max-width: 95%; ">
 <img src="uml/component5.png" alt="alternates"><br>
-<span class="figcaption" id="figure-component5">Figure 10<sup><a class="internalDFN" href="#figure-component5"><span class="diamond"> ◊:</span></a></sup> <span class="delete">Figure 10: </span>Alternates Component Overview</span>
+<span class="figcaption" id="figure-component5">Figure 10<sup><a class="internalDFN" href="#figure-component5"><span class="diamond"> ◊:</span></a></sup> <span class="delete">Figure 10: </span>Alternates Component Overview<span class="insert"> (Informative)</span></span>
 </span>
 </div>
 
@@ -3510,7 +3525,7 @@
 <div style="text-align: center;">
 <span class="figure" style="max-width: 95%; ">
 <img src="uml/component6.png" alt="collection"><br>
-<span class="figcaption" id="figure-component6">Figure 11<sup><a class="internalDFN" href="#figure-component6"><span class="diamond"> ◊:</span></a></sup> Figure 11: Collections Component Overview</span>
+<span class="figcaption" id="figure-component6">Figure 11<sup><a class="internalDFN" href="#figure-component6"><span class="diamond"> ◊:</span></a></sup> <span class="delete">Figure 11: </span>Collections Component Overview<span class="insert"> (Informative)</span></span>
 </span>
 </div>
 
@@ -3816,7 +3831,7 @@
 </pre>
 <p>The following example shows a value of type <span class="name">prov:QUALIFIED_NAME</span> (see
 <span class="name"><a href="http://www.w3.org/TR/prov-n/#prod-QUALIFIED_NAME">prov:QUALIFIED_NAME</a></span> [<cite><a class="bibref" rel="biblioentry" href="#bib-PROV-N">PROV-N</a></cite>]).
-The prefix <span class="name">ex</span>  <em class="rfc2119" title="must">must</em> be bound to a <a href="#dfn-namespace" class="internalDFN">namespace</a> declared in a <a href="#dfn-namespaceDeclaration" class="internalDFN">namespace declaration</a>.</p>
+The prefix <span class="name">ex</span>  must be bound to a <a href="#dfn-namespace" class="internalDFN">namespace</a> declared in a <a href="#dfn-namespaceDeclaration" class="internalDFN">namespace declaration</a>.</p>
 <pre class="codeexample"> 
   "ex:value" %% prov:QUALIFIED_NAME
 </pre>
@@ -3941,7 +3956,7 @@
 </ul>
 
 <p>The PROV data model is designed to be application and technology independent, but implementers are welcome and encouraged to specialize PROV-DM to specific domains and applications.  To ensure interoperability, specializations of
-the PROV data model that exploit the extensibility points summarized in this section <em class="rfc2119" title="must">must</em> preserve the semantics specified in this document and in [<cite><a class="bibref" rel="biblioentry" href="#bib-PROV-CONSTRAINTS">PROV-CONSTRAINTS</a></cite>]. </p>
+the PROV data model that exploit the extensibility points summarized in this section must preserve the semantics specified in this document and in [<cite><a class="bibref" rel="biblioentry" href="#bib-PROV-CONSTRAINTS">PROV-CONSTRAINTS</a></cite>]. </p>
 
 
 
@@ -4221,6 +4236,7 @@
 </span></li><li> <a href="http://www.w3.org/2011/prov/track/issues/531"><span class="insert">ISSUE-531</span></a><span class="insert">: added sentence on the use of prov:location attribute.
 
 </span></li><li> <a href="http://www.w3.org/2011/prov/track/issues/519"><span class="insert">ISSUE-519</span></a><span class="insert">, </span><a href="http://www.w3.org/2011/prov/track/issues/523"><span class="insert">ISSUE-523</span></a><span class="insert">, </span><a href="http://www.w3.org/2011/prov/track/issues/524"><span class="insert">ISSUE-524</span></a><span class="insert">, </span><a href="http://www.w3.org/2011/prov/track/issues/529"><span class="insert">ISSUE-529</span></a><span class="insert">: changed UML diagram of figure 8 by removing explicit inheritance from influence for  usage, start, end, generation, invalidation, communication, derivation, attribution, association, and delegation.  Instead, introduced correspondance table 7.  Furthermore, in response to these issues, it was made clear that PROV defines no attribute specific to subtypes such as SoftwareAgent, ..., Plan, Revision, Bundle, Collection.
+</span></li><li> <a href="http://www.w3.org/2011/prov/track/issues/495"><span class="insert">ISSUE-495</span></a><span class="insert">: made explicit which section, figure, table was informative or normative.
 </span></li></ul>
 
 </div>
--- a/model/prov-dm.html	Tue Oct 09 11:54:15 2012 +0100
+++ b/model/prov-dm.html	Tue Oct 09 12:41:08 2012 +0100
@@ -646,8 +646,21 @@
  to infer.
 </p>
 
-
-<section id="structure-of-this-document"> 
+<section id="compliance-with-this-document"> 
+<h3>Compliance with this Document</h3>
+
+
+<p>For the purpose of compliance, the normative sections of this document
+are section2 1.1, 1.3, 5, and appendix A, with the following caveats.</p>
+<ul>
+<li> Information in tables is normative if it appears in a normative section. </li>
+<li> All figures (including UML diagrams) are informative. </li>
+<li> Text in boxes labeled "Example" is informative.
+</ul>
+</section>
+
+
+<section class="informative" id="structure-of-this-document"> 
 <h3>Structure of this Document</h3>
 
 <p><a href="#section-prov-overview">Section 2</a> provides an overview of the PROV Data Model,  distinguishing a core set of types and  relations, commonly found in provenance, from extended structures catering for more specific uses. It also introduces a modular organization of the data model in components. </p>
@@ -688,7 +701,7 @@
 
 </section> 
 
-<section id="namespaces"> 
+<section class="informative" id="namespaces"> 
 <h3>Namespaces</h3>
 
 <p>
@@ -712,7 +725,7 @@
 
 
 
-<section id='section-prov-overview'> 
+<section class="informative" id='section-prov-overview'> 
 <h1>PROV Overview</h1>
 
 <p>This section introduces provenance concepts with informal explanations and illustrative
@@ -735,7 +748,7 @@
 <div style="text-align: center; ">
  <figure style="max-width: 70%; " id="prov-core-structures-top">
 <img src="uml/essentials.png" alt="PROV Core Structures" style="max-width: 70%; "  /><br>
-<figcaption id="prov-core-structures">PROV Core Structures</figcaption>
+<figcaption id="prov-core-structures">PROV Core Structures (Informative)</figcaption>
   </figure>
 </div>
 
@@ -971,7 +984,7 @@
 <p>
 <span class="glossary-ref" data-ref="glossary-agent"  data-withspan="true">
 </span>   [<a href="#term-agent">Detailed specification</a>]
- An agent MAY be a particular type of entity or activity. This means that the model can be
+ An agent may be a particular type of entity or activity. This means that the model can be
  used to express provenance of the agents themselves.  
 </p>
 
@@ -1231,12 +1244,12 @@
 </section>
 
 
-<section id="prov-notation">  
+<section class="informative"  id="prov-notation">  
 <h2>The Provenance Notation</h2>
 
 
 <p>To illustrate the application of PROV concepts to a concrete example (see <a href="#prov-dm-example">Section 4</a>) and to provide examples of concepts (see <a href="#data-model-components">Section 5</a>),
-we introduce PROV-N, a notation for writing instances of the PROV data model. For full details, the reader is referred to the companion specification [[PROV-N]].
+we introduce PROV-N, a notation for writing instances of the PROV data model. For full details and for a normative reference, the reader is referred to the companion specification [[PROV-N]].
 PROV-N is a notation  aimed at human consumption, with the following characteristics:</p>
 <ul>
 <li>PROV-N expressions adopt a <em>functional notation</em> consisting
@@ -1288,7 +1301,7 @@
 </section>
 
 
-<section id="prov-dm-example"> 
+<section class="informative" id="prov-dm-example"> 
 <h2>Illustration of PROV-DM by an Example</h2>
 
 <p><a href="#section-prov-overview">Section 2</a> has introduced some provenance concepts, and how they are expressed as types or relations in the PROV data model. The purpose of this section is to put these concepts into practice in order to express the provenance of some document published on the Web.  
@@ -1323,7 +1336,7 @@
 <div style="text-align: center; ">
   <figure id="prov-a-document1-top">
   <img src="images/dm/w3c-publication1.png" alt="Provenance of a Document (1)" style="max-width: 98%; "/><br>
-<figcaption id="prov-a-document1">Provenance of a Document (1)</figcaption> <!-- Figure 2 -->
+<figcaption id="prov-a-document1">Provenance of a Document (part 1)  (Informative)</figcaption> <!-- Figure 2 -->
   </figure>
 </div>
 
@@ -1414,7 +1427,7 @@
 <div style="text-align: center;">
   <figure id="prov-a-document2-top">
   <img src="images/dm/w3c-publication2.png" alt="Provenance of a Document (2)" style="max-width: 90%; "/><br>
-<figcaption id="prov-a-document2">Provenance of a Document (2)</figcaption> <!-- figure 3 -->
+<figcaption id="prov-a-document2">Provenance of a Document (part 2) (Informative)</figcaption> <!-- figure 3 -->
   </figure>
 </div>
 
@@ -1554,12 +1567,12 @@
 <area title="bundles" href="#component4" coords="268,67,402,201" alt="bundles" shape="rect"/>
 </map>
 <br>
-<figcaption id="prov-dm-components">PROV-DM Components</figcaption>  <!-- Figure 4 -->
+<figcaption id="prov-dm-components">PROV-DM Components (Informative)</figcaption>  <!-- Figure 4 -->
 </figure>
 </div>
 
 <p>
-While  not all PROV-DM relations are binary, they all involve two primary elements. Hence, <a href="#relations-at-a-glance">Table 4</a> indexes all relations according to their two primary elements (referred to as subject and object).  The table adopts the same color scheme as <a href="#prov-dm-components">Figure 4</a>, allowing components to be readily identified.
+While  not all PROV-DM relations are binary, they all involve two primary elements. Hence, <a href="#relations-at-a-glance">Table 4</a> indexes all relations (except <a>wasInfluencedBy</a>) according to their two primary elements (referred to as subject and object).  The table adopts the same color scheme as <a href="#prov-dm-components">Figure 4</a>, allowing components to be readily identified.
 Note that for simplicity, this table  does not include collection-oriented relations.
 Relation names appearing in bold correspond to the core structures introduced
 in <a href="#core-structures">Section 2.1</a>.</p>
@@ -1675,7 +1688,7 @@
 <div style="text-align: center;">
 <figure style="max-width: 95%; ">
 <img src="uml/component1.png" alt="entities and activities"/><br>
-<figcaption id="figure-component1">Entities and Activities Component Overview</figcaption> <!-- Figure 5 -->
+<figcaption id="figure-component1">Entities and Activities Component Overview (Informative)</figcaption> <!-- Figure 5 -->
 </figure>
 </div>
 
@@ -2124,7 +2137,7 @@
 <div style="text-align: center;">
 <figure style="max-width: 95%; ">
 <img src="uml/component2.png" alt="derivation"/><br>
-<figcaption id="figure-component2">Derivation Component Overview</figcaption> <!-- Figure 6 -->
+<figcaption id="figure-component2">Derivation Component Overview (Informative)</figcaption> <!-- Figure 6 -->
 </figure>
 </div>
 
@@ -2337,7 +2350,7 @@
 <div style="text-align: center;">
 <figure style="max-width: 95%; ">
 <img src="uml/component3.png" alt="agents and responsibilities"/><br>
-<figcaption id="figure-component3">Agents and Responsibility Overview</figcaption> <!-- Figure 7 -->
+<figcaption id="figure-component3">Agents and Responsibility Overview (Informative)</figcaption> <!-- Figure 7 -->
 </figure>
 </div>
 
@@ -2346,8 +2359,8 @@
 
 <div style="text-align: center;">
 <figure style="max-width: 95%; ">
-<img src="uml/Component3b.png" alt="Influence"/><br>
-<figcaption id="figure-component3b">Influence</figcaption> <!-- Figure 8 -->
+<img src="uml/Component3b.png" alt="Influence Overview"/><br>
+<figcaption id="figure-component3b">Influence Overview (Informative)</figcaption> <!-- Figure 8 -->
 </figure>
 </div>
 
@@ -2609,7 +2622,7 @@
 <pre class="codeexample">
  wasInfluencedBy(tr:WD-prov-dm-20111215, w3:Consortium)
 </pre>
-Instead, it is RECOMMENDED to express the more specific description:
+Instead, it is recommended to express the more specific description:
 <pre class="codeexample">
  wasAttributedTo(tr:WD-prov-dm-20111215, w3:Consortium)
 </pre>
@@ -2637,7 +2650,7 @@
 <figure style="max-width: 95%; ">
 
 <img src="uml/component4.png" alt="bundles"/><br>
-<figcaption id="figure-component4">Bundle Component Overview</figcaption>
+<figcaption id="figure-component4">Bundle Component Overview (Informative)</figcaption>
 </figure>
 </div>
 
@@ -2926,7 +2939,7 @@
 <div style="text-align: center;">
 <figure style="max-width: 95%; ">
 <img src="uml/component5.png" alt="alternates"/><br>
-<figcaption id="figure-component5">Alternates Component Overview</figcaption>
+<figcaption id="figure-component5">Alternates Component Overview (Informative)</figcaption>
 </figure>
 </div>
 
@@ -3277,7 +3290,7 @@
 <div style="text-align: center;">
 <figure style="max-width: 95%; ">
 <img src="uml/component6.png" alt="collection"/><br>
-<figcaption id="figure-component6">Figure 11: Collections Component Overview</figcaption>
+<figcaption id="figure-component6">Collections Component Overview (Informative)</figcaption>
 </figure>
 </div>
 
@@ -3720,7 +3733,7 @@
 </pre>
 <p>The following example shows a value of type <span class="name">prov:QUALIFIED_NAME</span> (see
 <span class="name"><a href="http://www.w3.org/TR/prov-n/#prod-QUALIFIED_NAME">prov:QUALIFIED_NAME</a></span> [[PROV-N]]).
-The prefix <span class="name">ex</span>  MUST be bound to a <a>namespace</a> declared in a <a>namespace declaration</a>.</p>
+The prefix <span class="name">ex</span>  must be bound to a <a>namespace</a> declared in a <a>namespace declaration</a>.</p>
 <pre class="codeexample"> 
   "ex:value" %% prov:QUALIFIED_NAME
 </pre>
@@ -3846,7 +3859,7 @@
 </ul>
 
 <p>The PROV data model is designed to be application and technology independent, but implementers are welcome and encouraged to specialize PROV-DM to specific domains and applications.  To ensure interoperability, specializations of
-the PROV data model that exploit the extensibility points summarized in this section MUST preserve the semantics specified in this document and in [[PROV-CONSTRAINTS]]. </p>
+the PROV data model that exploit the extensibility points summarized in this section must preserve the semantics specified in this document and in [[PROV-CONSTRAINTS]]. </p>
 
 
 
@@ -4130,6 +4143,7 @@
 <li> <a href="http://www.w3.org/2011/prov/track/issues/531">ISSUE-531</a>: added sentence on the use of prov:location attribute.
 
 <li> <a href="http://www.w3.org/2011/prov/track/issues/519">ISSUE-519</a>, <a href="http://www.w3.org/2011/prov/track/issues/523">ISSUE-523</a>, <a href="http://www.w3.org/2011/prov/track/issues/524">ISSUE-524</a>, <a href="http://www.w3.org/2011/prov/track/issues/529">ISSUE-529</a>: changed UML diagram of figure 8 by removing explicit inheritance from influence for  usage, start, end, generation, invalidation, communication, derivation, attribution, association, and delegation.  Instead, introduced correspondance table 7.  Furthermore, in response to these issues, it was made clear that PROV defines no attribute specific to subtypes such as SoftwareAgent, ..., Plan, Revision, Bundle, Collection.
+<li> <a href="http://www.w3.org/2011/prov/track/issues/495">ISSUE-495</a>: made explicit which section, figure, table was informative or normative.
 </ul>
 
 </section>
prov

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