Hi Egon,

On Fri, 2010-10-01 at 07:46 +0200, Egon Willighagen wrote:

> Hi all,
> 
> On Fri, Oct 1, 2010 at 7:32 AM, Nina Jeliazkova
> <jeliazkova.nina at gmail.com> wrote:
> > Would it be possible to run further experiments - in particular:
> >
> > - Split the reported time into time, necessary to download the RDF
> > representation from the server, and time, necessary to parse and load the
> > RDF as Jena object.
> 
> I would also request, that when reporting performance results, please
> report the tools that are used (name and version), as not every tool
> is equally slow/fast.


Yes, that's true. That was only a draft. I'll circulate an updated
version with all these information and more statistics. Note however
that the results will not be reproducible as they are affected both by
the quality of the connection and the load of the remote server.

Best Regards,
Pantelis

> 
> > - Report time to parse RDF into different in-memory Jena models (ones from
> > http://jena.sourceforge.net/javadoc/com/hp/hpl/jena/ontology/OntModelSpec.html(not
> > sure which is being used in the  tests now)
> 
> Indeed. Jena has normal triple models, as well as ontology models...
> turning of OWL reasoning/logic when not really needed may speed up
> things indeed.
> 
> > - Report timings, using slightly different approach to convert to weka
> > instances, namely , retrieve URIs of compounds first and then retrieve
> > features for each compound in subsequent calls.
> >
> > - Report timings, when using Jena persistent storages , instead of in-memory
> > one (http://openjena.org/TDB/, http://openjena.org/SDB/ )
> 
> And in case of SDB, if you use MySQL, PostgreSQL, HSQLDB, etc.
> 
> Egon
>