model2.createResource().addProperty(DC.subject, "test2");
graphs[0] = new FCAGraphImpl(model1);
graphs[1] = new FCAGraphImpl(model2);
clock.setTime(new W3CDateFormat()
.parse("2006-05-01T16:30:00Z"));
store.updateGraph(source, graphs[0]);
clock.setTime(new W3CDateFormat()
.parse("2006-05-01T16:32:00Z"));
store.updateGraph(source, graphs[1]);
Set<Source> sourceSet = new HashSet<Source>();
sourceSet.add(source);