--- a/examples/eg-24-prov-o-html-examples/rdf/create/rdf/property_qualifiedDelegation.ttl	Tue Jul 10 11:03:55 2012 -0400
+++ b/examples/eg-24-prov-o-html-examples/rdf/create/rdf/property_qualifiedDelegation.ttl	Tue Jul 10 11:12:09 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/> .
 
 :traffic-stop
@@ -10,13 +11,13 @@
                           :traffic-officer-34;
    prov:qualifiedAssociation [
       a prov:Association;
-      prov:agent   :chauffeur;
-      prov:hadRole :violator; # The chauffeur was the one violating traffic rules.
+      prov:agent :chauffeur;
+      ex:hadRole :violator; # The chauffeur was the one violating traffic rules.
    ];
    prov:qualifiedAssociation [
       a prov:Association;
-      prov:agent   :traffic-officer-34;
-      prov:hadRole :enforcer; # The officer was the one enforcing the traffic rules.
+      prov:agent :traffic-officer-34;
+      ex:hadRole :enforcer; # The officer was the one enforcing the traffic rules.
    ];
 .
 
@@ -25,8 +26,8 @@
    prov:actedOnBehalfOf :celebrity-in-car;
    prov:qualifiedDelegation [
       a prov:Delegation;
-      prov:agent   :celebrity-in-car;
-      prov:hadRole :employer; # The celebrity employed the chauffeur during the enforcement.
+      prov:agent :celebrity-in-car;
+      ex:hadRole :employer; # The celebrity employed the chauffeur during the enforcement.
    ];
 .
 
@@ -35,7 +36,7 @@
    prov:actedOnBehalfOf :city-of-Paris;
    prov:qualifiedDelegation [
       a prov:Delegation;
-      prov:agent   :city-of-Paris;
-      prov:hadRole :employer; # The city of Paris employed the officer during the enforcement.
+      prov:agent :city-of-Paris;
+      ex:hadRole :employer; # The city of Paris employed the officer during the enforcement.
    ];
 .