[1] [CITE[OWL 2 Web Ontology Language Document Overview]]
([TIME[2009-10-27 23:14:58 +09:00]] 版)
<http://www.w3.org/TR/2009/REC-owl2-overview-20091027/#sotd-xml-dep>

[2] [CITE[rdf:PlainLiteral: A Datatype for RDF Plain Literals]]
( ([TIME[2009-10-27 23:15:01 +09:00]] 版))
<http://www.w3.org/TR/2009/REC-rdf-plain-literal-20091027/#sotd-xml-dep>