@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix exif:	<http://www.w3.org/2003/12/exif/ns/> .
@prefix sioc:	<http://rdfs.org/sioc/ns#> .
exif:IFD	rdfs:subClassOf	sioc:Item .