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12. Ontologies: RDF Business Models > 12.2. Brief History of the Ontology Movem...

Brief History of the Ontology Movement

The current ontology effort at the W3C is OWL, which was rooted in the DAML (DARPA Agent Markup Language) project — specifically the ontology language originating from this project: DAML+OIL.

Though you’ll see DAML+OIL, OIL (Ontology Inference Layer) originated separately in Europe starting in 1997. It was preceded by SHOE (Simple HTML Ontology Extensions) in 1995. OIL is particularly relevant in a book on RDF because it was the first ontology based on RDF as well as the XML Schema.

The first release of DARPA’s DAML was in 2000, following early standardization work on the part of the W3C. One year after DAML was released, a joint ontology language, DAML+OIL, was released. An early press release on DAML+OIL appearing in the Cover Pages (at http://xml.coverpages.org/ni2001-03-28-a.html), said the following:


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