Re: fast inferencing with jena and "?"

Can you supply all files associated with your problem for reference?


Jeremy

----- Original Message ----- 
From: "Leo Sauermann" <leo@gnowsis.com>
To: <semantic-web@w3.org>
Sent: Sunday, March 20, 2005 11:39 PM
Subject: fast inferencing with jena and "?"


> 
> We are using jena in a semi-commercial application and have to do simple
> RDF/S inferencing on subclasses and subproperties.
> 
> We used Jena as basis for the app.
> 
> The problem with Jena is: the Model RDFS_MEM_TRANS_INF is too slow to do
> simple inference (and it was the fastest we found in jena)
> 
> It has 200ms performance of matching two small rdf instance models
> against a RDF/S ontology model (180 classes). Normal developer PC.
> We did everything we could to make it faster, including prefetching all
> classes, properties, trying out different Jena inferencers, etc.
> 
> Question:
> What inference engine can be plugged into Jena smoothely?
> 
> any experiences or papers about that?
> 
> any help appreciated.
> 
> cheers
> Leo
> 
>