rdf('JW', name, literal('Jan Wielemaker')).
rdf('JW', works_at, literal('SWI')).
rdf('http://www.swi.psy.uva.nl/projects/SWI-Prolog/', 'http://description.org/schema/':'Creator', 'JW').
rdf('pl-creator', rdf:type, rdf:'Statement').
rdf('pl-creator', rdf:subject, 'http://www.swi.psy.uva.nl/projects/SWI-Prolog/').
rdf('pl-creator', rdf:predicate, 'http://description.org/schema/':'Creator').
rdf('pl-creator', rdf:object, 'JW').