Re: [Virtuoso-users] complex sparql query problem

2010-09-13 Thread Hugh Williams
Hi Florian, You mentioning trying two approaches to dumping the data but only provide details of one below, what is the other method you tried and did this work ? The "isctype.c" , error appears to be quite common on windows machines searching on google and implies that a character is being pas

Re: [Virtuoso-users] Need help with an error message

2010-09-13 Thread Sebastian Trüg
A small followup. Since I need to get both the excerpt and the score I figure I need to do something like the following to make sure to only get each ?r once: select ?r (bif:concat(bif:search_excerpt(bif:vector('nepomuk'), (select ?v2 where { { ?r ?v1 ?v2 . ?v2 bif:contains 'nepom

Re: [Virtuoso-users] Need help with an error message

2010-09-13 Thread Sebastian Trüg
Hello Ivan, thanks a lot for looking into my query. Now let me see if I understand correctly: On 09/13/2010 09:42 AM, Ivan Mikhailov wrote: > There are two problems with this query. > First, ?v2 and ?v5 are barely connected. It looks like the query is > written to select the excerpt of the "best"

Re: [Virtuoso-users] complex sparql query problem

2010-09-13 Thread Florian Kleedorfer
Hi Hugh, I'm running Virtuoso Version: 06.01.3127, Build: Jul 9 2010 on Windows XP Professional, version 2002, Service Pack 3 I tried two approaches for dumping the rdf data: 1. dump_one_graph(,,approx. 30MB of rdf data were dumped before a window opens saying that an assertion failed: Prog

Re: [Virtuoso-users] complex sparql query problem

2010-09-13 Thread Ivan Mikhailov
Hello Florian, It compiles adequately for me on a blank database, and the message is very typical for RDF storages with big number of RDF Views and queries that tries to access all of them at once. To reproduce the case I should know the .ini file, the database schema (at least all tables used in

Re: [Virtuoso-users] Need help with an error message

2010-09-13 Thread Ivan Mikhailov
Hello Sebastian, There are two problems with this query. First, ?v2 and ?v5 are barely connected. It looks like the query is written to select the excerpt of the "best" resource about a keyword and the score of it, but max(?v5) seems to be redundant: the score of ?v2 is always the same, no matter