Re: FSL engine for Sesame

From: Ryan Lee <>
Date: Mon, 21 Nov 2005 18:30:54 -0500

Emmanuel Pietriga wrote:
> Ryan Lee wrote:
>>>> As Sesame 2 is still in alpha and we haven't made the jump there for
>>>> any
>>>> SIMILE code, I needed to adapt your work to Sesame 1.2.2. This was
>>>> mostly just a matter of switching out the *Vertex code for the older
>>>> style of finding things in the store and using the older way of
>>>> loading data into a Graph.
>>> That's good news. We have kind of a 4th implementation. Once you've
>>> finalized it, could we consider making it available publicly as a
>>> standalone JAR, as I've done for the Jena and Sesame 2 implementations ?
>> I'd be glad to, but I'd also like to keep it under version control.
>> I'm not sure how best to do that - the easiest way to just get it done
>> is to fork from your codebase and store it somewhere on
>>, but I don't know that forking is a good thing
>> considering the small number of changes needed.
> Are you only talking about your specific specific class for Sesame
> 1.2.2, or about having a complete standalone src code version including
> the grammar and shared part of the code (FSLEvaluator, FSLPath, etc.)?
> As far as I am concerned, hosting the Sesame122 evaluator in Simile's
> SVN repository is fine. I would just like to avoid duplicating the code
> for everything else (all the FSLPath stuff that is repository type
> independent, and FSLEvaluator which centralizes all that can be shared
> across implementations). If making the Sesame122 evaluator part of a
> package other than org.w3c.IsaViz.fresnel causes access restriction
> issues, let me know and I'll make the required changes.

I think the key issue is the dependence on the HierarchyStore and Jena.
  If that Jena dependence could be factored out, I could probably put
something together in our repository that didn't duplicate the rest of
the FSL code.

Ryan Lee       
W3C Research Engineer    +1.617.253.5327
Received on Mon Nov 21 2005 - 23:24:52 EST

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