--- a/examples/eg-24-prov-o-html-examples/rdf/create/rdf/class_Activity.ttl	Sun Apr 15 13:07:04 2012 -0400
+++ b/examples/eg-24-prov-o-html-examples/rdf/create/rdf/class_Activity.ttl	Sun Apr 15 13:27:07 2012 -0400
@@ -4,4 +4,12 @@
 @prefix prov: <http://www.w3.org/ns/prov#> .
 @prefix :     <http://example.com/> .
 
-# TODO
+:graduation
+   a prov:Activity, :Graduation;
+   prov:startedAtTime "2012-04-15T13:00:00-04:00"^^xsd:dateTime;
+   prov:used      :ms_smith;
+   prov:generated :doctor_smith;
+   prov:endedAtTime "2012-04-15T14:30:00-04:00"^^xsd:dateTime;
+.
+:ms_smith     a prov:Entity .
+:doctor_smith a prov:Entity .