Kjetil Kjernsmo wrote:
Up to now, we've been running Jena, and the way we have solved this problem is
to concatenate all literals, create a "sub:literals" property, and then
freetext search this property. It works, but queries that returns a few
hundred entries usually takes around 40 seconds.
Kjetil,
> > Re.
> > DESCRIBE ?resource WHERE {
> > ?resource dct:title ?free ;
> > dct:subject ?var .
> > ?var skos:prefLabel ?free .
> > ?free bif:contains "Da*" .
> > },
> >
> > there are two errors.
>
> Ah, yes, it was just an example. In practise,
Hi Ivan,
Thanks for the response!
On Tuesday 02 September 2008 14:23:05 you wrote:
> One can not
> expect that text from user's input can be placed into query verbatim.
Yeah, we have a pre-processing level that takes care of that.
> Re.
> DESCRIBE ?resource WHERE {
> ?resource dct:title
Hello Kjetil,
For some characters, placing quoted phrase instead of a word is enough.
Say, When "Da~!@" is in quotes inside FT expression, like
?free bif:contains "'Da~!@'"
or
?free bif:contains "'Da~!@' and 'Foo*' and not 'Foo Bar' "
the free-text expression parser will extract and normalize wo
Dear all,
I'm finally getting around to try out Virtuoso. I'm sure many of you know it
allready, but for those who don't, I'm now working for a consultancy in
Norway called Computas, 100% on Semantic Web technologies. Previously, I was
at Opera, and my interest in RDF goes back more than 10 yea