--- a/examples/eg-24-prov-o-html-examples/rdf/create/rdf/class_Attribution.ttl	Tue Jul 10 10:56:43 2012 -0400
+++ b/examples/eg-24-prov-o-html-examples/rdf/create/rdf/class_Attribution.ttl	Tue Jul 10 11:01:23 2012 -0400
@@ -2,6 +2,7 @@
 @prefix xsd:  <http://www.w3.org/2001/XMLSchema#> .
 @prefix owl:  <http://www.w3.org/2002/07/owl#> .
 @prefix prov: <http://www.w3.org/ns/prov#> .
+@prefix ex:   <http://example.com/vocab#> .
 @prefix :     <http://example.com/> .
 
 <http://dbpedia.org/resource/Fallingwater>
@@ -12,17 +13,17 @@
    prov:qualifiedAttribution [
       a prov:Attribution;
       prov:agent <http://dbpedia.org/resource/Edgar_J._Kaufmann>;
-      prov:hadRole :owner;
+      ex:hadRole :owner;
    ];
    prov:qualifiedAttribution [
       a prov:Attribution;
       prov:agent <http://dbpedia.org/resource/Frank_Lloyd_Wright>;
-      prov:hadRole :architect;
+      ex:hadRole :architect;
    ];
    prov:qualifiedAttribution [
       a prov:Attribution;
       prov:agent :western-Pennsylvania-Conservancy;
-      prov:hadRole :conserver;
+      ex:hadRole :conserver;
    ];
 .
 

--- a/examples/eg-24-prov-o-html-examples/rdf/create/rdf/property_hadGeneration.ttl	Tue Jul 10 10:56:43 2012 -0400
+++ b/examples/eg-24-prov-o-html-examples/rdf/create/rdf/property_hadGeneration.ttl	Tue Jul 10 11:01:23 2012 -0400
@@ -5,9 +5,10 @@
 @prefix :     <http://example.com/> .
 
 :bar_chart   
-   prov:wasDerivedFrom :aggregatedByRegions;
+   prov:wasDerivedFrom   :aggregatedByRegions;
    prov:qualifiedDerivation [
       a prov:Derivation;
+      prov:entity        :aggregatedByRegions;
       prov:hadGeneration :illustration;
    ];
 .