DAML+OIL

Ontology language formed in 2001 by merging the American DAML with the European OIL; a thin layer over RDF Schema with description-logic semantics, and the direct basis of OWL.

Part of the thread Expressiveness against tractability proposes

builds on

• DAML project 1999 [src]
• Description logic concept [src]
• RDF Schema standard 2004 [src]

built upon by

• OWL standard 2004 [src]

Sources

• https://en.wikipedia.org/wiki/DARPA_Agent_Markup_Language
• https://en.wikipedia.org/wiki/Web_Ontology_Language