--- a/ontology/ProvenanceFormalModel.html	Fri Sep 30 11:44:47 2011 +0100
+++ b/ontology/ProvenanceFormalModel.html	Fri Sep 30 11:45:31 2011 +0100
@@ -918,16 +918,16 @@
 
     <wf:Process rdf:about="#combine">
         <used>
-          <wf:EntityAtPort>
+          <wf:ValueAtPort>
             <wf:sawValue rdf:resource="#hello"/>
             <wf:seenAtPort rdf:resource="http://www.example.com/workflow1#catIn1"/>
-          </wf:EntityAtPort>
+          </wf:ValueAtPort>
         </used>
         <used>
-          <wf:EntityAtPort>
+          <wf:ValueAtPort>
             <wf:sawValue rdf:resource="#input"/>
             <wf:seenAtPort rdf:resource="http://www.example.com/workflow1#catIn2"/>
-          </wf:EntityAtPort>
+          </wf:ValueAtPort>
         </used>
         <wf:wasSubProcessExecutionOf rdf:resource="#workflowRun"/>
         <wf:wasDefinedBy rdf:resource="http://www.example.com/workflow1#cat"/>
@@ -957,7 +957,7 @@
         </wf:value>
     </wf:Value>
 
-    <wf:EntityAtPort rdf:about="#sha1OutputFromShasum">
+    <wf:ValueAtPort rdf:about="#sha1OutputFromShasum">
         <wasGeneratedBy rdf:resource="#shasum"/>
         <wf:value>
             <cnt:ContentAsText>
@@ -967,9 +967,9 @@
         </wf:value>
         <wf:sawValue rdf:resource="#sha1"/>
         <wf:wasSeenAt rdf:resource="http://www.example.com/workflow1#shaOut"/>
-    </wf:EntityAtPort>
+    </wf:ValueAtPort>
 
-    <wf:EntityAtPort rdf:about="#sha1OutputFromWorkflow">
+    <wf:ValueAtPort rdf:about="#sha1OutputFromWorkflow">
         <wasGeneratedBy rdf:resource="#workflowRun"/>
         <wf:value>
             <cnt:ContentAsText>
@@ -979,7 +979,7 @@
         </wf:value>
         <wf:sawValue rdf:resource="#sha1"/>
         <wf:wasSeenAt rdf:resource="http://www.example.com/workflow1#sha1"/>
-    </wf:EntityAtPort>
+    </wf:ValueAtPort>
 
 </rdf:RDF>            
             </pre>