created on Feb. 23, 2013, 9:41 a.m. by Hevok & updated on March 7, 2013, 10:29 a.m. by Hevok
There are some Standards of fixed Prefixes that are written already in the RDF and RDF Schema (RDFS) Standard. On the other-hand if one does not know what a Prefix means or if there is a Prefix for some specific namespace there is specific Web Site dedicated for it where one can ask whether Prefixes exist or whether there is a namespace or the other way around [http://prefix.cc].
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#rdfs: http://www.w3.org/2000/01/rdf-schema#xsd: http://www.w3.org/2001/XMLSchema#owl: http://www.w3.org/2002/07/owl#(cf. [http://www.w3.org/TR/owl2-syntax/])
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