rdf('__Bag1', rdf:type, rdf:'Bag').
rdf('__Description1', name, literal('Jan Wielemaker')).
rdf('__Description1', employed_at, literal('SWI')).
rdf('__Bag1', rdf:'_1', '__Description1').
rdf('http://www.swi.psy.uva.nl/projects/xpce/', 'http://description.org/schema/':'Creator', '__Bag1').