dc	http://purl.org/dc/elements/1.1/
dct	http://purl.org/dc/terms/
bibo	http://purl.org/ontology/bibo/
daia	http://purl.org/ontology/daia/
frbr	http://purl.org/vocab/frbr/core#
isbd	http://iflastandards.info/ns/isbd/elements/
gn	http://www.geonames.org/ontology#
lv	http://purl.org/lobid/lv#
marcrel	http://id.loc.gov/vocabulary/relators/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
owl	http://www.w3.org/2002/07/owl#
geo	http://www.opengis.net/ont/geosparql#
foaf	http://xmlns.com/foaf/0.1/