- From: Matt Williams <matthew.williams@cancer.org.uk>
- Date: Wed, 30 May 2007 18:19:08 +0100
- To: Simon Margulies <simon.margulies@unibas.ch>, Semantic Web <semantic-web@w3.org>
I would also recommend John Sowa's Knowledge Representation Matt Simon Margulies wrote: > thanks a lot for this post! > > I'm writing about ontologies as historical resources, which could be > researched by future historians. In other words, what historians need to > know about ontology concepts, to be able to analyze a preserved ontology > to conclude some information about the past. > > So far I understand ontologies (in computer science) as having emerged > out of earlier approaches for knowledge based systems like semantic > networks or framebased languages by defining not only the syntax (like > semantic networks or framebased languages) but adding explicit formal > semantics in form of description logic. Thereby it gets possible, that > several independent systems can share one ontology whereas in the former > to this could be a problem. > > As an information source I can recommend: > - Ulrich Reimer: Einführung in die Wissensrepräsentation. Netzartige und > schema-basierte Repräsentationsformate. Stuttgart 1991. > - Baader, F.: Calvanese, D; et al. The Description Logic Handbook. > Cambridge 2003. > (both in German..) > > Being historian writing about concepts in computer science, I struggle > often with not-precise and not-consistently used definitions in that > field.. I consider such exchanges most valuable and would be happy about > any corrections! > > Simon > > On 29.05.2007, at 10:14, Danny Ayers wrote: > >> >> [cc'ing semantic-web@w3.org <mailto:semantic-web@w3.org>] >> >> On 28/05/07, james.jim.taylor@gmail.com >> <mailto:james.jim.taylor@gmail.com> <james.jim.taylor@gmail.com >> <mailto: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. >> >> -- >> >> http://dannyayers.com >> >> > > > > > -- > Simon Margulies, lic. phil. hist. > University of Basel > Imaging & Media Lab > +41 61 267 04 88 > http://www.distarnet.ch > -- http://acl.icnet.uk/~mw http://adhominem.blogsome.com/ +44 (0)7834 899570
Received on Wednesday, 30 May 2007 17:19:32 UTC