OWL 2 (Second Edition) is a W3C Recommendation

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The OWL Working Group has published the Second Edition of the OWL 2 ontology language as a W3C Edited Recommendation. OWL 2, part of W3C's Semantic Web toolkit, allows people to capture knowledge about a particular application domain (e.g, energy or medicine) and then use tools to manage information, search through it, and learn more from it.

The second edition corrects several minor errors in the specification and also clarifies the relationship between OWL 2 and Datatypes defined in Part 2 of the XML Schema Definition Language (XSD) 1.1 (now a Recommendation). The standard consists of 13 documents, of which 4 are instructional.

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