--- a/ontology/ProvenanceOntology.owl	Fri Jul 20 15:13:21 2012 +0200
+++ b/ontology/ProvenanceOntology.owl	Fri Jul 20 08:49:58 2012 -0500
@@ -652,7 +652,15 @@
         <inverse>qualifiedInfluenceOf</inverse>
         <component>derivations</component>
         <rdfs:isDefinedBy rdf:resource="http://www.w3.org/ns/prov#"/>
-        <rdfs:domain rdf:resource="http://www.w3.org/ns/prov#Entity"/>
+		<rdfs:domain>
+		    <owl:Class>
+		        <owl:unionOf rdf:parseType="Collection">
+		            <rdf:Description rdf:about="http://www.w3.org/ns/prov#Activity"/>
+		            <rdf:Description rdf:about="http://www.w3.org/ns/prov#Agent"/>
+		            <rdf:Description rdf:about="http://www.w3.org/ns/prov#Entity"/>
+		        </owl:unionOf>
+		    </owl:Class>
+		</rdfs:domain>
         <rdfs:range rdf:resource="http://www.w3.org/ns/prov#Influence"/>
         <sharesDefinitionWith rdf:resource="http://www.w3.org/ns/prov#Influence"/>
         <unqualifiedForm rdf:resource="http://www.w3.org/ns/prov#wasInfluencedBy"/>