--- a/ontology/ProvenanceOntology.owl	Fri Apr 20 12:37:44 2012 -0400
+++ b/ontology/ProvenanceOntology.owl	Fri Apr 20 12:42:57 2012 -0400
@@ -937,6 +937,8 @@
         <prov:category>starting-point</prov:category>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
         <rdfs:domain rdf:resource="&prov;Activity"/>
+        <prov:qualifiedForm rdf:resource="&prov;End"/>
+        <prov:qualifiedForm rdf:resource="&prov;atTime"/>
     </owl:DatatypeProperty>
     
 
@@ -949,6 +951,8 @@
         <rdfs:comment xml:lang="en">The time at which an entity was completely created.</rdfs:comment>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
         <rdfs:domain rdf:resource="&prov;Entity"/>
+        <prov:qualifiedForm rdf:resource="&prov;Generation"/>
+        <prov:qualifiedForm rdf:resource="&prov;atTime"/>
     </owl:DatatypeProperty>
     
 
@@ -961,6 +965,8 @@
         <prov:category>starting-point</prov:category>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
         <rdfs:domain rdf:resource="&prov;Entity"/>
+        <prov:qualifiedForm rdf:resource="&prov;Invalidation"/>
+        <prov:qualifiedForm rdf:resource="&prov;atTime"/>
     </owl:DatatypeProperty>
     
 
@@ -999,6 +1005,8 @@
         <prov:component>entities-activities</prov:component>
         <rdfs:range rdf:resource="&xsd;dateTime"/>
         <rdfs:domain rdf:resource="&prov;Activity"/>
+        <prov:qualifiedForm rdf:resource="&prov;Start"/>
+        <prov:qualifiedForm rdf:resource="&prov;atTime"/>
     </owl:DatatypeProperty>