--- a/ontology/ProvenanceOntology.owl	Tue Mar 06 17:23:35 2012 -0500
+++ b/ontology/ProvenanceOntology.owl	Tue Mar 06 17:40:54 2012 -0500
@@ -87,7 +87,7 @@
     <!-- http://www.w3.org/ns/prov#actedOnBehalfOf -->
 
     <owl:ObjectProperty rdf:about="&prov;actedOnBehalfOf">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Responsibility"/>
         <rdfs:domain rdf:resource="&prov;Agent"/>
         <rdfs:range rdf:resource="&prov;Agent"/>
@@ -129,7 +129,7 @@
 
     <owl:ObjectProperty rdf:about="&prov;alternateOf">
         <rdfs:comment xml:lang="en">Another prov:Entity that characterizes the same thing as this prov:Entity, potentially in a different manner.</rdfs:comment>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:subPropertyOf rdf:resource="&owl;topObjectProperty"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#AlternateOf"/>
         <rdfs:domain rdf:resource="&prov;Entity"/>
@@ -161,7 +161,7 @@
     <!-- http://www.w3.org/ns/prov#generated -->
 
     <owl:ObjectProperty rdf:about="&prov;generated">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment>This inverse of prov:wasGeneratedBy is defined so that Activities being described can reference their generated outputs directly without needing to &#39;stop&#39; and start describing the Entity. This helps &#39;Activity-centric&#39; modeling as opposed to &#39;Entity-centric&#39; modeling.</rdfs:comment>
         <rdfs:subPropertyOf rdf:resource="&prov;involved"/>
         <owl:inverseOf rdf:resource="&prov;wasGeneratedBy"/>
@@ -175,7 +175,7 @@
         <rdf:type rdf:resource="&owl;AsymmetricProperty"/>
         <rdf:type rdf:resource="&owl;IrreflexiveProperty"/>
         <rdfs:comment>This property is not functional because the many values could be at a variety of granularies (In this room, in that chair).</rdfs:comment>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment>DM: Location is an optional attribute of Entity and Activity.</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Location"/>
         <rdfs:range rdf:resource="&prov;Location"/>
@@ -252,7 +252,7 @@
     <!-- http://www.w3.org/ns/prov#hasAnnotation -->
 
     <owl:ObjectProperty rdf:about="&prov;hasAnnotation">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Annotation"/>
         <rdfs:range rdf:resource="&prov;Note"/>
     </owl:ObjectProperty>
@@ -455,7 +455,7 @@
     <!-- http://www.w3.org/ns/prov#specializationOf -->
 
     <owl:ObjectProperty rdf:about="&prov;specializationOf">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:subPropertyOf rdf:resource="&owl;topObjectProperty"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#SpecializationOf"/>
         <rdfs:domain rdf:resource="&prov;Entity"/>
@@ -468,7 +468,7 @@
     <!-- http://www.w3.org/ns/prov#tracedTo -->
 
     <owl:ObjectProperty rdf:about="&prov;tracedTo">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Attribution"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Traceability"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#not_in_DM:_consolidated_derivation_signature"/>
@@ -487,7 +487,7 @@
         <rdf:type rdf:resource="&owl;AsymmetricProperty"/>
         <rdf:type rdf:resource="&owl;IrreflexiveProperty"/>
         <rdfs:comment xml:lang="en">A prov:Entity that was used by this prov:Activity. For example, :baking prov:used :spoon, :egg, :oven .</rdfs:comment>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Usage"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#not_in_DM:_consolidated_derivation_signature"/>
         <rdfs:domain rdf:resource="&prov;Activity"/>
@@ -503,7 +503,7 @@
     <!-- http://www.w3.org/ns/prov#wasAssociatedWith -->
 
     <owl:ObjectProperty rdf:about="&prov;wasAssociatedWith">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment xml:lang="en">A prov:Agent that had some (unspecified) responsibility for the occurrence of this prov:Activity.</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Agent_Association"/>
         <rdfs:domain rdf:resource="&prov;Activity"/>
@@ -519,7 +519,7 @@
     <!-- http://www.w3.org/ns/prov#wasAttributedTo -->
 
     <owl:ObjectProperty rdf:about="&prov;wasAttributedTo">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Attribution"/>
         <rdfs:range rdf:resource="&prov;Agent"/>
         <prov:qualifiedForm rdf:resource="&prov;Attribution"/>
@@ -541,7 +541,7 @@
     <owl:ObjectProperty rdf:about="&prov;wasDerivedFrom">
         <rdf:type rdf:resource="&owl;AsymmetricProperty"/>
         <rdf:type rdf:resource="&owl;IrreflexiveProperty"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment xml:lang="en">wasDerivedFrom links two distinct characterized entities, where &quot;some characterized entity is transformed from, created from, or affected by another characterized entity.&quot;</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#imprecise-1"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#imprecise-n"/>
@@ -559,7 +559,7 @@
     <!-- http://www.w3.org/ns/prov#wasEndedBy -->
 
     <owl:ObjectProperty rdf:about="&prov;wasEndedBy">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Ending"/>
         <prov:qualifiedForm rdf:resource="&prov;End"/>
         <prov:qualifiedForm rdf:resource="&prov;qualifiedEnd"/>
@@ -574,7 +574,7 @@
         <rdf:type rdf:resource="&owl;AsymmetricProperty"/>
         <rdf:type rdf:resource="&owl;FunctionalProperty"/>
         <rdf:type rdf:resource="&owl;IrreflexiveProperty"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment xml:lang="en">wasGeneratedBy links Entitites with Activity representing that entity was generated as a result of Activity</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Generation"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#not_in_DM:_consolidated_derivation_signature"/>
@@ -590,7 +590,7 @@
     <!-- http://www.w3.org/ns/prov#wasInformedBy -->
 
     <owl:ObjectProperty rdf:about="&prov;wasInformedBy">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Activity_Ordering"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Starting_again"/>
         <rdfs:domain rdf:resource="&prov;Activity"/>
@@ -634,7 +634,7 @@
     <!-- http://www.w3.org/ns/prov#wasStartedBy -->
 
     <owl:ObjectProperty rdf:about="&prov;wasStartedBy">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Starting"/>
         <prov:qualifiedForm rdf:resource="&prov;Start"/>
         <prov:qualifiedForm rdf:resource="&prov;qualifiedStart"/>
@@ -646,7 +646,7 @@
     <!-- http://www.w3.org/ns/prov#wasStartedByActivity -->
 
     <owl:ObjectProperty rdf:about="&prov;wasStartedByActivity">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Started_by_activity"/>
         <rdfs:range rdf:resource="&prov;Activity"/>
         <rdfs:domain rdf:resource="&prov;Activity"/>
@@ -672,7 +672,7 @@
 
     <owl:DatatypeProperty rdf:about="&prov;atTime">
         <rdf:type rdf:resource="&owl;FunctionalProperty"/>
-        <rdfs:comment>qualified</rdfs:comment>
+        <prov:category>qualified</prov:category>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
         <rdfs:domain rdf:resource="&prov;InstantaneousEvent"/>
     </owl:DatatypeProperty>
@@ -683,7 +683,7 @@
 
     <owl:DatatypeProperty rdf:about="&prov;endedAtTime">
         <rdf:type rdf:resource="&owl;FunctionalProperty"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
     </owl:DatatypeProperty>
     
@@ -692,7 +692,7 @@
     <!-- http://www.w3.org/ns/prov#inXSDDateTime -->
 
     <owl:DatatypeProperty rdf:about="&prov;inXSDDateTime">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
         <rdfs:domain rdf:resource="&prov;TimeInstant"/>
     </owl:DatatypeProperty>
@@ -703,7 +703,7 @@
 
     <owl:DatatypeProperty rdf:about="&prov;startedAtTime">
         <rdf:type rdf:resource="&owl;FunctionalProperty"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
     </owl:DatatypeProperty>
     
@@ -731,7 +731,7 @@
     <owl:Class rdf:about="&prov;Activity">
         <rdfs:subClassOf rdf:resource="&owl;Thing"/>
         <owl:disjointWith rdf:resource="&prov;Entity"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment xml:lang="en">Activity is defined to be &#39;an identifiable activity, which performs a piece of work.&#39;</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Activity"/>
     </owl:Class>
@@ -754,7 +754,7 @@
     <owl:Class rdf:about="&prov;Agent">
         <rdfs:subClassOf rdf:resource="&prov;Entity"/>
         <rdfs:comment xml:lang="en">An agent represents a characterized entity capable of activity.</rdfs:comment>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Agent"/>
     </owl:Class>
     
@@ -764,7 +764,7 @@
 
     <owl:Class rdf:about="&prov;AgentInvolvement">
         <rdfs:subClassOf rdf:resource="&prov;EntityInvolvement"/>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>qualified</prov:category>
     </owl:Class>
     
 
@@ -798,7 +798,7 @@
     <owl:Class rdf:about="&prov;Bundle">
         <rdfs:subClassOf rdf:resource="&prov;Entity"/>
         <rdfs:comment xml:lang="en">A prov:Bundle is a group of PROV statements.</rdfs:comment>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:comment xml:lang="en">prov:Bundles are best modeled using sd:NamedGraphs.</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Bundle"/>
     </owl:Class>
@@ -809,7 +809,7 @@
 
     <owl:Class rdf:about="&prov;Derivation">
         <rdfs:subClassOf rdf:resource="&prov;EntityInvolvement"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Revision"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Traceability"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#not_in_DM:_consolidated_derivation_signature"/>
@@ -836,7 +836,7 @@
     <owl:Class rdf:about="&prov;Entity">
         <rdfs:subClassOf rdf:resource="&owl;Thing"/>
         <rdfs:comment xml:lang="en">An identifiable characterized entity.</rdfs:comment>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Entity"/>
     </owl:Class>
     
@@ -847,7 +847,7 @@
     <owl:Class rdf:about="&prov;EntityInvolvement">
         <rdfs:subClassOf rdf:resource="&prov;Involvement"/>
         <prov:category>qualified</prov:category>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:comment xml:lang="en">An instance of EntityInvolvement is used to provide additional descriptions of a binary relation from any instance to an instance of Entity.</rdfs:comment>
     </owl:Class>
     
@@ -859,7 +859,7 @@
         <rdfs:subClassOf rdf:resource="&prov;ActivityInvolvement"/>
         <rdfs:subClassOf rdf:resource="&prov;InstantaneousEvent"/>
         <rdfs:comment xml:lang="de">An instance of prov:Generation provides additional descriptions about the binary prov:wasGeneratedBy relation from a generated prov:Entity to the prov:Activity that generated it. For example, :cake prov:wasGeneratedBy :baking; prov:qualified [ a prov:Generation; prov:entity :baking; :foo :bar ].</rdfs:comment>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Generation"/>
         <prov:unqualifiedForm rdf:resource="&prov;wasGeneratedBy"/>
     </owl:Class>
@@ -870,7 +870,7 @@
 
     <owl:Class rdf:about="&prov;Inform">
         <rdfs:subClassOf rdf:resource="&prov;ActivityInvolvement"/>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Activity_Ordering"/>
         <prov:unqualifiedForm rdf:resource="&prov;wasInformedBy"/>
     </owl:Class>
@@ -880,7 +880,7 @@
     <!-- http://www.w3.org/ns/prov#InstantaneousEvent -->
 
     <owl:Class rdf:about="&prov;InstantaneousEvent">
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
     </owl:Class>
     
 
@@ -903,7 +903,7 @@
     <!-- http://www.w3.org/ns/prov#Location -->
 
     <owl:Class rdf:about="&prov;Location">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:comment>This is wgs:SpatialThing</rdfs:comment>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Location"/>
         <rdfs:seeAlso rdf:resource="&prov;hadSpatialExtent"/>
@@ -914,7 +914,7 @@
     <!-- http://www.w3.org/ns/prov#Note -->
 
     <owl:Class rdf:about="&prov;Note">
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Note"/>
         <rdfs:seeAlso rdf:resource="&prov;hadNote"/>
     </owl:Class>
@@ -945,7 +945,7 @@
 
     <owl:Class rdf:about="&prov;Plan">
         <rdfs:subClassOf rdf:resource="&prov;Entity"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Agent_Association"/>
     </owl:Class>
     
@@ -989,7 +989,7 @@
     <!-- http://www.w3.org/ns/prov#Role -->
 
     <owl:Class rdf:about="&prov;Role">
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:comment rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Attribute"/>
         <rdfs:seeAlso rdf:resource="&prov;hadRole"/>
     </owl:Class>
@@ -1034,7 +1034,7 @@
 
     <owl:Class rdf:about="&prov;StartByActivity">
         <rdfs:subClassOf rdf:resource="&prov;ActivityInvolvement"/>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Started_by_activity"/>
         <prov:unqualifiedForm rdf:resource="&prov;wasStartedByActivity"/>
     </owl:Class>
@@ -1045,7 +1045,7 @@
 
     <owl:Class rdf:about="&prov;TimeInstant">
         <rdfs:subClassOf rdf:resource="&owl;Thing"/>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:comment>deprecate in favor of InstantaneousEvent? -Tim 6 march 2012</rdfs:comment>
         <rdfs:comment xml:lang="en">&#39;Instants are, intuitively, point-like in that they have no interior points&#39;
 reusing notion from W3C OWL-Time Working Draft (http://www.w3.org/TR/owl-time/), but not associating to it directly because it is not a Recommendation.</rdfs:comment>
@@ -1063,7 +1063,7 @@
         <rdfs:subClassOf rdf:resource="&prov;EntityInvolvement"/>
         <rdfs:comment xml:lang="en">A prov:Trace can be from any prov:Element to any prov:Element, so it cannot be a subclass of prov:EntityInvolvement or prov:ActivityInvolvement.</rdfs:comment>
         <rdfs:comment xml:lang="en">An instance of prov:Trace provides additional descriptions about the binary prov:tracedTo relation from some prov:Element (Entity or Activity) to some other prov:Element. For example, :stomach_ache prov:tracedTo :spoon; prov:qualified [ a prov:Trace; prov:entity :spoon; :foo :bar ].</rdfs:comment>
-        <rdfs:comment>core</rdfs:comment>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Revision"/>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Traceability"/>
         <prov:unqualifiedForm rdf:resource="&prov;tracedTo"/>
@@ -1076,7 +1076,7 @@
     <owl:Class rdf:about="&prov;Usage">
         <rdfs:subClassOf rdf:resource="&prov;EntityInvolvement"/>
         <rdfs:subClassOf rdf:resource="&prov;InstantaneousEvent"/>
-        <prov:category>core</prov:category>
+        <prov:category>simple</prov:category>
         <rdfs:seeAlso rdf:resource="http://www.w3.org/2011/prov/wiki/ProvRDF#Usage"/>
         <prov:unqualifiedForm rdf:resource="&prov;used"/>
     </owl:Class>