Suggested Upper Merged Ontology

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The Suggested Upper Merged Ontology or SUMO is an upper ontology intended as a foundation ontology for a variety of computer information processing systems. It was developed by the Teknowledge Corporation and is one candidate for the "Standard Upper Ontology" that IEEE working group 1600.1 is working on. It can be downloaded and used freely.

SUMO concerns itself with meta-level concepts (general entities that do not belong to a specific problem domain), and thereby would lead naturally to a categorization scheme for encyclopedias.

SUMO was first released in December 2000. It defines a hierarchy of SUMO classes and related rules and relationships. These are formulated in a version of the language SUO-KIF which has a LISP-like syntax. A mapping from WordNet synsets for nouns and verbs to SUMO classes has also been defined.

SUMO is organized for interoperability of automated reasoning engines. To maximize compatibility, schema designers can try to assure that their naming conventions use the same meanings as SUMO for identical words, (eg: agent, process).


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