rdf('JW', 'http://description.org/schema/name', literal('Jan Wielemaker')).
rdf('JW', 'http://description.org/schema/works_at', literal('SWI')).
rdf('http://www.swi.psy.uva.nl/projects/SWI-Prolog/', 'http://description.org/schema/Creator', 'JW').
rdf('#pl-creator', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement').
rdf('#pl-creator', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#subject', 'http://www.swi.psy.uva.nl/projects/SWI-Prolog/').
rdf('#pl-creator', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate', 'http://description.org/schema/Creator').
rdf('#pl-creator', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#object', 'JW').