--- a/examples/eg-24-prov-o-html-examples/rdf/create/rdf/class_Generation.ttl	Mon Apr 23 15:29:21 2012 -0400
+++ b/examples/eg-24-prov-o-html-examples/rdf/create/rdf/class_Generation.ttl	Mon Apr 23 15:30:16 2012 -0400
@@ -2,6 +2,21 @@
 @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 bbc:  <http://www.bbc.co.uk/> .
 @prefix :     <http://example.com/> .
 
-# TODO
+:bbcNews2012-04-03 
+   a prov:Entity, :DailyNews;
+   rdfs:comment "The BBC news home page on 2012-04-03 contained a reference to a given news item, but the BBC news home page on the next day did not.";
+
+   prov:qualifiedGeneration [
+      a prov:Generation, prov:InstantaneousEvent;
+      prov:atTime "2012-04-03T00:00:01Z"^^xsd:dateTime;
+   ];
+   prov:qualifiedInvalidation [
+      a prov:Invalidation, prov:InstantaneousEvent;
+      prov:atTime "2012-04-03T23:59:59Z"^^xsd:dateTime;
+   ];
+.
+
+<> prov:wasDerivedFrom <http://dvcs.w3.org/hg/prov/raw-file/default/model/prov-dm.html#dfn-wasinvalidatedby> .