--- a/ontology/ProvenanceOntology.owl	Mon Apr 23 17:19:45 2012 +0200
+++ b/ontology/ProvenanceOntology.owl	Mon Apr 23 17:20:21 2012 +0200
@@ -43,24 +43,40 @@
 
     <owl:AnnotationProperty rdf:about="&prov;unqualifiedForm">
         <rdfs:subPropertyOf rdf:resource="&rdfs;seeAlso"/>
+        <rdfs:comment xml:lang="en">Classes and properties used to qualify relationships are annotated with prov:unqualifiedForm to indicate the property used to assert an unqualified provenance relation.</rdfs:comment>
     </owl:AnnotationProperty>
     <owl:AnnotationProperty rdf:about="&prov;prov-n">
         <rdfs:subPropertyOf rdf:resource="&rdfs;seeAlso"/>
+        <rdfs:comment xml:lang="en">A reference to the principal section of the PROV-M document that describes this concept.</rdfs:comment>
     </owl:AnnotationProperty>
     <owl:AnnotationProperty rdf:about="&prov;prov-dm">
         <rdfs:subPropertyOf rdf:resource="&rdfs;seeAlso"/>
+        <rdfs:comment xml:lang="en">A reference to the principal section of the PROV-DM document that describes this concept.</rdfs:comment>
     </owl:AnnotationProperty>
-    <owl:AnnotationProperty rdf:about="&prov;definition"/>
-    <owl:AnnotationProperty rdf:about="&prov;editorialNote"/>
-    <owl:AnnotationProperty rdf:about="&rdfs;label"/>
-    <owl:AnnotationProperty rdf:about="&prov;inverse"/>
-    <owl:AnnotationProperty rdf:about="&rdfs;comment"/>
-    <owl:AnnotationProperty rdf:about="&rdfs;seeAlso"/>
+    <owl:AnnotationProperty rdf:about="&prov;definition">
+        <rdfs:comment xml:lang="en">A definition quoted from PROV-DM or PROV-CONSTRAINTS that describes the concept expressed with this OWL term.</rdfs:comment>
+    </owl:AnnotationProperty>
+    <owl:AnnotationProperty rdf:about="&prov;editorialNote">
+        <rdfs:comment xml:lang="en">A note by the OWL development team about how this term expresses the PROV-DM concept, or how it should be used in context of semantic web or linked data.</rdfs:comment>
+    </owl:AnnotationProperty>
+    <owl:AnnotationProperty rdf:about="&rdfs;label">
+        <rdfs:comment xml:lang="en"></rdfs:comment>
+    </owl:AnnotationProperty>
+    <owl:AnnotationProperty rdf:about="&prov;inverse">
+        <rdfs:comment xml:lang="en">PROV-O does not define all property inverses. The directionalities defined in PROV-O should be given preference over those not defined. However, if users wish to name the inverse of a PROV-O property, the local name given by prov:inverse should be used.</rdfs:comment>
+    </owl:AnnotationProperty>
+    <owl:AnnotationProperty rdf:about="&rdfs;comment">
+        <rdfs:comment xml:lang="en"></rdfs:comment>
+    </owl:AnnotationProperty>
+    <owl:AnnotationProperty rdf:about="&rdfs;seeAlso">
+        <rdfs:comment xml:lang="en"></rdfs:comment>
+    </owl:AnnotationProperty>
     <owl:AnnotationProperty rdf:about="&prov;category">
         <rdfs:comment xml:lang="en">Classify prov-o terms into three categories, including starting-point, qualifed, and extended. This classification is used to gently introduce prov-o terms to its users. </rdfs:comment>
     </owl:AnnotationProperty>
     <owl:AnnotationProperty rdf:about="&prov;prov-dm-constraints">
         <rdfs:subPropertyOf rdf:resource="&rdfs;seeAlso"/>
+        <rdfs:comment xml:lang="en">A reference to the principal section of the PROV-CONSTRAINTS document that describes this concept.</rdfs:comment>
     </owl:AnnotationProperty>
     <owl:AnnotationProperty rdf:about="&prov;component">
         <rdfs:comment xml:lang="en">Classify prov-o terms into six components according to prov-dm, including . This classification is used so that readers of prov-o specification can find its correspondence with the prov-dm specification.</rdfs:comment>