Map Development Area (MDA)
Location:
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internet
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semantic-web
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ontology
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ontology
| Ontology |
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definition
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Ontology defines the kinds of things that exist in the application domain (Sowa)
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motivation
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enable a machine to use the knowledge -- enable multiple machines to share their knowledge -- understand some area of knowledge -- help other people understand -- help people reach a consensus -- ontology-constrained simulation -- semantic information retrieval -- natural language understanding and generation
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Comment:
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captures consensual knowledge (type system) -- usually applicable to a particular application domain
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definition
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An ontology is a explicit specification of a conceptualization (Gruber)
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Comment:
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what about incomplete rules? -- conflicting rules?
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Comment:
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mostly enumerative, not axiomatic approach -- data definition -- entity relationship model -- UML
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