Re: [Virtuoso-users] Virtuoso RDFXX Error Unknown language

2011-07-03 Thread Hugh Williams
Hi Tatiana, The error indicates the DBA.DBA.RDF_LANGUAGE table is possibly corrupt. Its a bit complicated, but this can be determined by checking the value of "ro_dt_and_lang" column in DB.DBA.RDF_OBJ table where "ro_val" is equal to the the literal mentioned in the error: select ro_dt_and

Re: [Virtuoso-users] use of "grab-" pragmas

2011-07-03 Thread Hugh Williams
Hi Tatiana, What datasets to you have loaded locally when encountering these issues , is it possible to provide sample datasets and queries we can load locally to recreate these issues ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: h

[Virtuoso-users] Virtuoso RDFXX Error Unknown language

2011-07-03 Thread Таня Тарасова
Hello, Does anybody happens to know how to fix this error: "Virtuoso RDFXX Error Unknown language in DB.DBA.RDF_LANGUAGE_OF_OBJ, bad string "丰沙尔"" It occurred when I tried to do filtering by language: ?dbpedia_city rdfs:label ?label . filter (lang(?label) ="en" ) . will be grateful! Tatian

Re: [Virtuoso-users] Caseinsensitive search for uri

2011-07-03 Thread Ivan Mikhailov
Hello Alexander, One way I can recommend is to extend the dataset with some new property, such that value(s) of this property of a subject are "normalized" versions of the title, e.g., all lowercase, with and without the disambiguation part (the part in "(...)" at the end of otherwise ambiguous ti