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Re: [Semantic_Web] Ontology Vs Semantic Networks

From: Martin Hepp <mhepp@computer.org>
Date: Tue, 29 May 2007 11:13:22 +0200
Message-ID: <465BEEB2.7040108@computer.org>
To: Danny Ayers <danny.ayers@gmail.com>
CC: semantic_web@googlegroups.com, SW-forum <semantic-web@w3.org>

I would also stress that ontologies are *abstractions* over knowledge / 
knowledge bases, defining the *vocabulary* for expressing facts, whereas 
semantic networks are often used for representing various things e.g. 
conceptual entities plus associated knowledge.

Best
Martin

Danny Ayers wrote:
> 
> [cc'ing semantic-web@w3.org]
> 
> On 28/05/07, james.jim.taylor@gmail.com <james.jim.taylor@gmail.com> wrote:
>>
>> How can we distinguish between ontologies and semantic networks, and
>> in what respects are they similar.
>>
>> I would appreciate any comments or references explaining that.
> 
> Mmm, homework...
> 
> Broadly speaking any graph-shaped knowledge representation (including
> e.g. OWL ontologies, RDF data) could be described as semantic
> networks. But if memory serves, historically semantic networks tended
> to lack logical formalism, more along the lines of mindmaps - a
> precursor to things like RDF/OWL.
> 
> John Sowa has a survey at:
> http://www.jfsowa.com/pubs/semnet.htm
> 
> Cheers,
> Danny.
> 
Received on Tuesday, 29 May 2007 09:13:36 UTC

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