--- a/ontology/components/wasRevisionOf.ttl	Fri Dec 02 16:57:54 2011 -0500
+++ b/ontology/components/wasRevisionOf.ttl	Fri Dec 02 19:42:28 2011 -0500
@@ -4,7 +4,9 @@
 @prefix prov: <http://www.w3.org/ns/prov-o/> .
 
 prov:wasRevisionOf
-   rdfs:seeAlso <http://www.w3.org/TR/2011/WD-prov-dm-20111018/#expression-Revision>;
+   rdfs:seeAlso <http://www.w3.org/TR/2011/WD-prov-dm-20111018/#expression-Revision>,
+                <http://www.w3.org/2011/prov/track/issues/48>;
+   rdfs:subPropertyOf prov:wasDerivedFrom;
    rdfs:domain prov:Entity;
    rdfs:range  prov:Entity;
 .