@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix dcterms:	<http://purl.org/dc/terms/> .
@prefix dc:	<http://purl.org/dc/elements/1.1/> .

dcterms:extent
	rdfs:subPropertyOf	dc:format .
dcterms:format
	rdfs:subPropertyOf	dc:format .
dcterms:medium
	rdfs:subPropertyOf	dc:format .