- From: Seaborne, Andy <andy.seaborne@hp.com>
- Date: Fri, 11 Apr 2008 17:07:26 +0100
- To: Cristina Sarasua <csarasua@vicomtech.org>
- CC: "public-sparql-dev@w3.org" <public-sparql-dev@w3.org>
Cristina Sarasua wrote: > > Dear all, > > First of all I would like to thank you for maintaining this list. > > I have a question regarding the necessity of using OWL query languages > when dealing with OWL DL ontologies. > > SPARQL is a query language for RDF and it has been stated that OWL query > languages are needed so that queries take into account the semantics of > OWL. However, OWL semantics could be materialized by means of a > reasoner. So, couldn't we achieve the same with SPARQL in a Jena > environment for example? Yes - you can but not for all of OWL-DL. For full OWL-DL, you use an external reasoner (and that can be done and use the Jena API). Jena inference documentation: http://jena.sourceforge.net/inference/index.html Support for Jena is on the mailing list : jena-dev@groups.yahoo.com Andy > > If I am wrong I would be extremely grateful if somebody could explain > this problem in depth using examples if possible. > > Thank you in advance. > > > -- > > Cristina Sarasua Garmendia > Área de Turismo, Patrimonio y Creatividad > Tourism, Heritage and Creativity Department
Received on Friday, 11 April 2008 16:09:09 UTC