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[protege-owl] Complete a generic Ontology.

Martin O'Connor martin.oconnor at
Mon Aug 6 10:05:35 PDT 2007

Why are you creating your OWL ontology in a database? It is going to be 
significantly more difficult to interact with than an ontology stored in 
the standard way. How are you going to run OWL classifiers on the 
ontology, for example? And SPARQL is an extremely awkward way of 
extracting information from OWL rather than RDF-based ontologies.

Unless your ontology is going to be enormous, I would reconsider this 
decision. Protege-OWL can easily handle ontologies with tens of 
thousands of individuals and in a few months it will have full a 
database back end available (with inclusion), which will allow it to 
support ontologies with hundreds of thousands of individuals or more.


Cesbron, Brice wrote:

> Hello all,
> I've created an ontology in OWL-DL on a general model of project 
> management. This model explain how to treat a project from the 
> business part to the physical one (including hardware). How it's a 
> generic model my ontology is also generic, i.e. I have only classes, 
> superclasses, properties and restrictions without any individual.
> I have put this ontology into a semantic database and have done SPARQL 
> requests in order to check the ontology. I have also used Protege 
> tools to check it before insert. Now, I want to apply my ontology to 
> specific cases...
> My question is :
> - What is the best way to complete my ontology with real values ? Use 
> Protege to create individuals and then insert the new specific 
> ontology in the database. Or use some queries to create individuals 
> into the database?
> Moreover, my boss want to know what is the best database to stock and 
> share ontologies?
> I thought that Virtuoso Open Source was quite cool, what do you think 
> about it?
> Thanks in advance,
> Best Regards.
> *Brice Cesbron* | **Cap****gemini**** SUD** | Marseille | France
> Responsable OWL |
> Tel : +33 4 91 16 57 77 |
> 90, Chemin du Roy d'Espagne | BP23 | 13275 Marseille cedex 09
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