- From: Cesar E. Ariza Avila <cariza@dsi.uminho.pt>
- Date: Fri, 21 Feb 2003 15:58:24 +0000
- To: Bernardo.Cuenca@uv.es
- Cc: www-rdf-interest@w3.org
Hi all, I have another question what is the difference between inference and reification? With rdf you can show information in n3(subject,object,predicate), but you need a inference engine (jena, tap, rdfgateway, parka,etc) in order to convert this information in knowledge... I'm wrong? Cesar Citando Bernardo.Cuenca@uv.es: > > > I am new in this group. After reading the specifications of RDF, RDF- > Schema and OWL, i have some questions about inference: > 1) In the RDF concepts and abstract syntax document there are many > references to "inference". But as far as i know from the Formal > Semantics specification of RDF, RDF doesn't define any "inference or > reasoning engine". RDF defines "entailment" which appears to be a way > of RDF-graph matching, but doesn't provide any actual inference > capability. > 2) I read in a paper about DAML+OIL that OIL is based on a reasoning > engine called FAcT, based on descriptive logic. Nevertheless i haven't > read a word about any reasoning engine for inference in the OWL > specifications. The specifications appear to be rather oriented to > teach how to write ontologies. Moreover, OWL makes the open world > assumption and this may yield to indecidability... > 3) As far as i know there is no reference to a reasoning engine in RDF- > Schema > > ¿Can anybody help me? > > Thanks > > Bernardo Cuenca > University of Valencia > > >
Received on Friday, 21 February 2003 11:00:32 UTC