[Virtuoso-users] Graph level security

Hi, I'm playing around with graph level security and have a setup where multiple users use odbc to call canned sparql queries from exec inside sql functions. After granting permissions for some users on a given graph, I decide to remove permissions from it. I haven't found a function to remove a

Re: [Virtuoso-users] how to 'debug' VOS7 performance?

Hi Egon, No problem, looking back through the thread I presume the query you are running is: SELECT DISTINCT ?property WHERE { [] ?property [] } ORDER BY ?property I believe ? Can you provide the output of running the profile('') function which will provide the query execution plan and compil

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

Sorry, I did not see your previous answer. This behaviour (wrong zero result) happens when these conditions are met ( I don't know how many are needed): 1- multiple from 2- multiple filters 3- "OR" inside a filter In some query removing the multiple from is enough but more often I saw the probl

Re: [Virtuoso-users] how to 'debug' VOS7 performance?

Hi Hugh, my apologies for the late reply... been busy again... On Wed, Oct 16, 2013 at 4:19 AM, Hugh Williams wrote: > What is the current triple count of your Virtuoso Server instance. 129857455 > Also when the database is "warm" can you please provide the output of running > the "status();"

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

Hi Nicola, Thought I has seen this post before, you seem to have asked the same question two weeks ago and gave the same response, but the queries below do not have any from clauses, which is the subject of the original problem, thus in what way are they related ? Best Regards Hugh Williams P

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

Hi A very similar query not working as expected is this one. In this case multiple form is not involved but It's a very similar pattern and I suppose is related. This query return 0: SELECT ?s WHERE { ?s rdf:type . ?s ?p2