--- a/examples/eg-24-prov-o-html-examples/rdf/create/rdf/property_qualifiedUsage.ttl	Tue Jul 10 23:31:43 2012 +0100
+++ b/examples/eg-24-prov-o-html-examples/rdf/create/rdf/property_qualifiedUsage.ttl	Tue Jul 10 23:31:58 2012 +0100
@@ -2,16 +2,19 @@
 @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/> .
 
 :newsPublication
    a prov:Activity;
-   prov:used :tsunami_image;
+   prov:used                    :tsunami_image;
    prov:qualifiedUsage [
       a prov:Usage;
-      :hasCopyrightPermission :licensedUse;  
-      :hasOwner               :reuters;
+      prov:entity               :tsunami_image;
+      ex:hasCopyrightPermission :licensedUse;  
+      ex:hasOwner               :reuters;
    ];
 .
 
-:reuters a prov:Agent .
+:tsunami_image a prov:Entity .
+:reuters       a prov:Agent .