Re: [Virtuoso-users] Stange (wrong) full text query results

2010-03-11 Thread Hugh Williams
Hi Sebastian, By, "It actually binds ?o to an int value." are you saying the object values are being bound/returned as integers , whereas you are expecting a literal or uri ? Do you have an example of instance when the query returns bogus data and the correct data for comparison ? It would

Re: [Virtuoso-users] compression

2010-03-11 Thread Peter Ansell
Hi Marc, Will it make a difference if you only make text indexing active on predicates that are not related to the long DNA sequences? You don't have to enable full text indexing on every predicate, it is just the most common way. The size of the GSPO indexes may be affected by differences in

Re: [Virtuoso-users] compression

2010-03-11 Thread Marc-Alexandre Nolin
Thanks for the answer, but I would like to keep the indexes but compress some literals that will never be search of filtered in the triples store. Those literals will be use if I ask for the triple of an application X. For example, DNA sequence can have thousands and thousands of characters lenght

Re: [Virtuoso-users] compression

2010-03-11 Thread Ceriel Jacobs
Hi Marc-Alexandre, Our experience is that the new index(es) that are added to the triple store after upgrading Virtuoso from version 6.0.1 to 6.1.0, increase the database size by a factor of 3. Our initial was 350MB and became 1GB. To make the database smaller, and less performant, you could t

Re: [Virtuoso-users] Virtuoso Crawler Stops Crawling after only a few pages

2010-03-11 Thread Peter DeVries
I have installed the new version of Virtuoso Open Source and I seem to be having the same crawling problem with the following example (very preliminary) data sets: It seems to access the first RDF page and then stop. http://lod.taxonconcept.org/ http://ocs.geospecie

[Virtuoso-users] Stange (wrong) full text query results

2010-03-11 Thread Sebastian Trueg
These are the commands that are used to setup full text indexing on a V6.1: DB.DBA.RDF_OBJ_FT_RULE_ADD( null, null, 'Soprano' ) DB.DBA.VT_BATCH_UPDATE ('DB.DBA.RDF_OBJ', 'OFF', null) And this is the query returning bogus data: select * where { ?r a nfo:RasterImage . ?r ?p ?o . ?o bif:contains 'n

[Virtuoso-users] SPARQL select only one optional value

2010-03-11 Thread Alexander Sidorov
Hello! I need to get some cities with it's names. And here is my query: SELECT DISTINCT ?cityUri ?cityName WHERE { ?cityUri ?predicate ?value. ?cityUri a . ?value