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[protege-owl] agregated concepts

Martin O'Connor martin.oconnor at stanford.edu
Thu Apr 29 11:29:42 PDT 2010


I recently added grouping with aggregation to the SQWRL query language 
[1]. However, as Thomas mentioned, OWL does not really have directly 
applicable operators.

Martin

[1] http://protege.cim3.net/cgi-bin/wiki.pl?CollectionsSQWRL

selma selma wrote:
>
> Hello,
> I'm sorry, ma question was not clear. What I wanted to know is how to 
> capture the semantic of "grouping" in an ontology, or how can we say 
> that a class or a property can be aggregated.
> We define aggregation as "several things grouped together or 
> considered as a whole".
> Thanks for any answer.
>
> > Date: Tue, 27 Apr 2010 15:48:47 -0700
> > From: martin.oconnor at stanford.edu
> > To: protege-owl at lists.stanford.edu
> > Subject: Re: [protege-owl] agregated concepts
> >
> >
> > What sort of aggregation functionality are you talking about?
> >
> > Martin
> >
> > selma selma wrote:
> > > Hi,
> > > I wonder if there is a way to identify in my ontology concepts
> > > (classes or properties) that can be aggregated (concepts that can be
> > > grouped by functions such as min, max, sum, average, and count).
> > > Thanks for any help.
> > >
> > > 
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