Subject:
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Re: LCD - LEGO Connection Database - Proposal
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 30 Jan 2002 16:51:41 GMT
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Viewed:
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2194 times
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In lugnet.cad.dev, Matt Sailors wrote:
> ... ontology ...
For anyone who (else) who doesn't know what 'ontology' means, and
doesn't want to depend on context to derive the meaning,
> ontology
>
> 1. <philosophy> A systematic account of Existence.
>
> 2. <artificial intelligence> (From philosophy) An explicit formal
> specification of how to represent the objects, concepts and other
> entities that are assumed to exist in some area of interest and the
> relationships that hold among them.
>
> For AI systems, what "exists" is that which can be represented. When the
> knowledge about a domain is represented in a declarative language, the
> set of objects that can be represented is called the universe of
> discourse. We can describe the ontology of a program by defining a set
> of representational terms. Definitions associate the names of entities
> in the universe of discourse (e.g. classes, relations, functions or
> other objects) with human-readable text describing what the names mean,
> and formal axioms that constrain the interpretation and well-formed use
> of these terms. Formally, an ontology is the statement of a logical
> theory.
>
> A set of agents that share the same ontology will be able to communicate
> about a domain of discourse without necessarily operating on a globally
> shared theory. We say that an agent commits to an ontology if its
> observable actions are consistent with the definitions in the ontology.
> The idea of ontological commitment is based on the Knowledge-Level
> perspective.
>
> 3. <information science> The hierarchical structuring of knowledge about
> things by subcategorising them according to their essential (or at least
> relevant and/or cognitive) qualities. See subject index. This is an
> extension of the previous senses of "ontology" (above) which has become
> common in discussions about the difficulty of maintaining subject
> indices.
>
> (1997-04-09)
>
> Source: The Free On-line Dictionary of Computing, © 1993-2001 Denis Howe
Steve
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Message has 1 Reply:
Message is in Reply To:
 | | Re: LCD - LEGO Connection Database - Proposal
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| (...) Correct. I was not faulting the authors. I only intended to point out that the community needs to work with them to flesh out the model. I hate to throw in jargon and buzzwords into a discussion, but we will need to either build or adopt an (...) (25 years ago, 29-Jan-02, to lugnet.cad.dev)
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