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11.4.7 Ontology
In philosophy, ontology is the study of being or existence. In computer and
information science:
an ontology is a data model that represents a set of concepts within a domain and
the relationships between those concepts. It is used to reason about the objects
within that domain. Ontologies are used in artificial intelligence, the semanticweb,
software engineering, and information architecture as a form of knowledge
representation about the world or some part of it.
(From Wikipedia, accessed March 10, 2007)
An ontology is therefore a way of representing knowledge, including rela-
tionships and classifications. An ontological classification ...