- From: Martin Hepp <mhepp@computer.org>
- Date: Tue, 29 May 2007 11:13:22 +0200
- 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