@TechReport{harmelen01,
  author =	 {Frank van Harmelen and Peter F. Patel-Schneider and
                  Ian Horrocks},
  title =	 {{DAML+OIL} Walkthru},
  institution =	 {{DAML}.org},
  year =	 2001,
  keywords =	 {ontology},
  url =		 {http://www.daml.org/2001/03/daml+oil-walkthru.html},
  cluster = 	 {11399587991074617716}
}