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Semantic processing of media data calls for perceptual modeling of domain concepts with their media properties. M-OWL has been proposed as an ontology language that enables such perceptual modeling. While M-OWL is a syntactic extension of OWL, it uses a completely different semantics based on probabilistic causal model of the world.
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The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies.Ontologies are a formal way to describe taxonomies and classification networks, essentially defining the structure of knowledge for various domains: the nouns representing classes of objects and the verbs representing relations between the objects.
semantic data integration, and; taxonomies/classification. Given a question, semantic technologies can directly search topics, concepts, associations that span a vast number of sources. Semantic technologies provide an abstraction layer above existing IT technologies that enables bridging and interconnection of data, content, and processes.
Hoolet, an implementation of an OWL-DL reasoner that uses a first order prover supports SWRL. Pellet, an open-source Java OWL DL reasoner has SWRL-support. KAON2 is an infrastructure for managing OWL-DL, SWRL, and F-Logic ontologies. RacerPro, supports the processing of rules in a SWRL-based syntax by translating them into nRQL rules
From 2004-2005, at the end of the OWL WG, Welty led the Ontology Engineering and Patterns efforts in the Semantic Web Best Practices WG, helping to edit several important notes on using OWL, as well as the first W3C ontology for part-whole relations and time. From 2005-2009, he was co-chair of the Rule Interchange Format (RIF) working group.
It is of particular importance in providing a logical formalism for ontologies and the Semantic Web: the Web Ontology Language (OWL) and its profiles are based on DLs. The most notable application of DLs and OWL is in biomedical informatics where DL assists in the codification of biomedical knowledge. [citation needed]
He has been conducting research into the Semantic Web since 2000, and was one of the founder members of the OWL-S coalition, [3] jointly responsible for developing the OWL-S ontology within the OWL-based framework of the Semantic Web, that supported the description of Semantic Web Services. [4]