@techreport{Hayes2002-rdf,
  author	= {Hayes, Patrick},
  title		= {RDF Model Theory},
  institution	= {W3C},
  note		= {W3C Working Draft},
  year		= {2002},
  URL		= {http://www.w3.org/TR/rdf-mt/},
  urlpage	= {http://www.w3.org/TR/rdf-mt/},
  month		= feb
}