Published Ontologies Ontologies Knowledge Representation Knowledge Management

OpenCyc is the open source version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine.

• The Enterprise Ontology - Collection of terms and definitions relevant to business enterprises. Developed ontologies in the Enterprise Project by the Artificial Intelligence Applications Institute ontologies at the University of Edinburgh.
• Open Biological Ontologies - Provides access to controlled vocabularies for shared use knowledge representation across ontologies different domains, like MESH and Gene Ontology.
• OpenCyc - OpenCyc is the open source version of the knowledge representation Cyc ontologies technology, the world\\'s largest and most complete knowledge representation general knowledge ontologies base and commonsense reasoning engine.
• Descriptive Ontology for Linguistic and Cognitive Engineering - DOLCE is the first module of the WonderWeb Foundational Ontologies Library (WFOL).
• DAML Ontology Library - An index of more than 200 publicly available ontologies expressed in DAML.
• Semantic Web for Earth and Environmental Terminology - Several ontologies published by the Jet Propulsion Laboratory ontologies in OWL format. Includes Space, Units, Earth Realms, ontologies Phenomena, Physical Properties, Substances and Units.
• Business Process Management Ontology - BPMO is an integrated information model including business published ontologies process design, project management, requirements management, and business published ontologies performance management.
• OWL Ontology Library - A selection of OWL ontologies usable in Protégé.
• National Cancer Institute Thesaurus - An OWL translation of the NCI Thesaurus, available for download (32 Mb) or online viewing.
• Suggested Upper Merged Ontology - A free, formal ontology in first order logic published ontologies with domain ontologies totalling 20,000 concepts and 60,000 published ontologies axioms, with mappings to all of WordNet.
• SWETO DBLP Computer Science Bibliography - Semantic Web Technology Evaluation Ontology referencing printed journals published ontologies and proceedings. Data from DBLP, DataBase Systems and published ontologies Logic Programming, maintained by Michael Ley.
• AKT Reference Ontologies - Various ontologies developed in the framework of the published ontologies Advanced Knowledge Technologies project. Includes a portal ontology.

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