[tbc-users] Re: counting and owl:sameAs

2009-04-20 Thread PaulZ
Hi Holger, In TBC I did not implement option 1 due to performance reasons. If we   would have to distinguish same objects, then we would need to walk   through a complete result set, while if we just accumulate statistics   then it's enough to just ask the triple store for the number of  

[tbc-users] Re: counting and owl:sameAs

2009-04-20 Thread Holger Knublauch
Paul, the count algorithm does not use SPARQL, but instead relies on the Jena statistics providers on the Graph level. Walking through all results and filtering them would be too slow. Also, a namespace is not a safe criteria because any file may contain definitions from the same

[tbc-users] Re: counting and owl:sameAs

2009-04-17 Thread Holger Knublauch
Hi Bernard, one might argue both directions. On the one hand side, same instances should be suppressed (if you interpret the count as the number of distinct instances. On the other hand, the count may be the number of rdf:type triples for that class, in which case the current behavior is

[tbc-users] Re: counting and owl:sameAs

2009-04-17 Thread Holger Knublauch
On Apr 17, 2009, at 8:36 AM, Holger Knublauch wrote: Hi Bernard, Oops, sorry - I mean Hi Paul :) Holger On Apr 17, 2009, at 5:48 AM, PaulZ wrote: I have been preparing a short showcase with Ensemble for a non --~--~-~--~~~---~--~~ You received this