Drew Perttula wrote:
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.
Hi, you're obviously ahead of me in testing the RDF stores out there, so
would you mind describing why you're looking at virtuoso instead of jena
now? I gather it's mostly for speed-- are you seeing good speedups for
the queries that you -have- figured out how to run?
thanks-
drew
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Drew,
Please understand that Virttuoso and Jena aren't mutually exclusive
things. Jena is a Framework and Virtuoso is a Quad Store. Unfortunately,
lines of demarcation between Framework components haven't always been
clear re. Jena, Sesame, and Redland, which has created a fair degree of
confusion.
Virtuoso fundamentally provides Jena developers with a high-performance
and scalable native graph model storage engine via the Virtuoso Storage
Provider for Jena [1].
Links:
1. http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtJenaProvider
2.
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSRDFDataProviders
--
Regards,
Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO
OpenLink Software Web: http://www.openlinksw.com
