[Pellet-users] class type query

[abdelhak attou]

Thx Evren
 
if i create a class , then without adding it to the ontology  i query for its super classes, will the reasoner have to reclassify the ontology ?
 
 
Many thanks 
 
Attou



> Date: Thu, 21 Feb 2008 12:38:02 -0500> From: evren at clarkparsia.com> To: attou_ab at hotmail.com> CC: pellet-users at lists.owldl.com> Subject: Re: [Pellet-users] class type query> > On 2/21/08 11:08 AM, abdelhak attou wrote:> >> >> > > > Hi ,> > > > > > 1. if i have an ontology, can i define a class using the ontology> > api (for example OWL-API) and query for its types according to the> > ontology without having to add it to the ontology.> >> > Yes, you can do it. Just create the class using the data factory and > pass it to the reasoner.getIndividuals function. There is a bug in > Pellet 1.5.1 where such instance retrieval operations are slow if the > ontology is not previously classified so you can classify the ontology > upfront only once and then retrieve instances for classes as many times > as you like.> > > > > 2. If i have to add the class first , will pellet reclassify the> > whole ontology or just necessary parts according to some> > incremental reasoning algorithm> >> > Depending on what kind of change it is (addition of a new class, > addition of a type assertion on existing individual and class, etc.) > classification can be repeated. Currently there is no incrmental > classification support in Pellet 1.5.1 but there is some preliminary > incremental reasoning support for ABox changes.> >> > > > > > 3. if no such algorithm is supported, is it planned for future> > pellet versions ?> >> > In the next version of Pellet there will be incremental classification > support, too.> > Cheers,> Evren> >> > > > thx !> > > > > > attou> >> > ------------------------------------------------------------------------> > Everything in one place. All new Windows Live!> > <http://www.windowslive.co.uk/get-live> > >> >> > ------------------------------------------------------------------------> > Messenger on the move. Text MSN to 63463 now! > > <http://mobile.uk.msn.com/pc/messenger.aspx%20>> > ------------------------------------------------------------------------> >> > _______________________________________________> > Pellet-users mailing list> > Pellet-users at lists.owldl.com> > http://lists.owldl.com/mailman/listinfo/pellet-users> > _______________________________________________> >> > Sponsored by Clark & Parsia, LLC http://clarkparsia.com/> 
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