madsrdf http://www.loc.gov/mads/rdf/v1# bflc http://id.loc.gov/ontologies/bflc/ rdf http://www.w3.org/1999/02/22-rdf-syntax-ns# foaf http://xmlns.com/foaf/0.1/ yago http://yago-knowledge.org/resource/ rdfs http://www.w3.org/2000/01/rdf-schema# dbo http://dbpedia.org/ontology/ dbp http://dbpedia.org/property/