Transfer Amount dollars from AccountFrom toĪccountTo and ship Product." But the specification Semantics, such as, "Upon receipt of this PurchaseOrder message, These formats have been given an operational Standards consist of a combination of message formats and protocol Standard is "What does this buy me that XML and XML Schema don't?"Īn ontology differs from an XML schema in that it is a knowledge One question that comes up when describing yet another XML/Web Section of the Overview (, 1.1)ĭescribes each of the different parts and how they fit together. Language, being produced by the W3C Web Ontology Working Group (WebOnt). This document is one component of the description of OWL, the Web Ontology These entailments may be based onĪ single document or multiple distributed documents that have been
facts not literally present in the ontology, but
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OWL formal semantics specifies how to derive its logicalĬonsequences, i.e. That refers to the science of describing the kinds of entities in theĭescriptions of classes, properties and their instances. Ontology is a term borrowed from philosophy The OWL Web Ontologoy Language is a language for defining and instantiating Web This additional layer of interpretation captures the Keywords and specify the meaning of the resources described on To support this sort of computation, it is necessary to go beyond Use cases see the OWL requirements document.) The task of making a coherent set of travel arrangements.
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Similarly, consider actually assigning a software agent It would be difficult today to construct a Web agent that would beĬapable of performing a search for wines on the Web that satisfied And, by the way, I don't like Sauternes." "Tell me what wines I should buy to serve with each course of theįollowing menu. Appendix C: Change Log Since Last Call Release.Equivalence between Classes and Properties A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at. Other documents may supersede this document. This section describes the status of this document at the time of its publication. Recommendation version are detailed in the change log.Īnd general discussion of related technology is welcome at ( archive). Has been widely reviewed and satisfies the Working Group's technical requirements.Īll comments received, making changes as necessary. The design of OWL expressed in earlier versions of these documents Semantic Web Activity ( Activity Statement, Group Charter) for It has been developed by the Web Ontology Working Parts of the W3C Recommendation for OWL, the Web Ontology This enhances the functionality and interoperability of W3C's role in making the Recommendation is toĭraw attention to the specification and to promote its widespreadĭeployment. Parties, and it has been endorsed by the Director as a W3C This document has been reviewed by W3C Members and other interested Set of classes, properties and individuals, beginning with theįundamentals and proceeding to more complex language components. The sections are organized to present an incremental definition of a reason about these classes and individuals to the degree permittedīy the formal semantics of the OWL language.define individuals and assert properties about them, and.formalize a domain by defining classes and properties of those classes,.This document demonstrates the use of the OWL language to
The OWL Web Ontology Language is intended to provide a language thatĬan be used to describe the classes and relations between them thatĪre inherent in Web documents and applications. Human-readable versions of that information. These descriptions must be in addition to the Terrain more precisely, computational agents require machine-readableĭescriptions of the content and capabilities of Web accessible Is unmanageable without powerful tool support. Our insight into the documents and capabilitiesĪvailable are based on keyword searches, abetted by clever use ofĭocument connectivity and usage patterns. The World Wide Web as it is currently constituted resembles a poorly McGuinness, Stanford University,įor this document, which may include some normative corrections. Smith, Electronic Data Systems,ĭeborah L. (Document Status Update, 12 November 2009)Ī W3C Recommendation for a new version of OWL which addsįeatures to this 2004 version, while remaining compatible.ĭocument Overview for an introduction to OWL 2 and a guide
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