Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
Ok. Is it possible to obtain the query execution time excluding the compilation time using version 6 of virtuoso? I think there is an execution time which virtuoso returns on normal query execution. Can I obtain the query execution time by subtracting compilation time from the execution time which

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Hugh Williams
Hi Rose, Actually the explain() function execution time is the compilation time for the query as it does not actually run the query, just compile it ... http://docs.openlinksw.com/virtuoso/fn_explain.html Best Regards Hugh Williams Professional Services OpenLink Software, Inc. //

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
I mean is the time returned by explain() the query execution time excluding the compilation time? On Tue, Nov 26, 2013 at 10:54 AM, Rose Beck wrote: > Sorry my bad. > explain() does return a time. Is the time which is returned by explain the > query execution time? > > SQL> explain('sparql sel

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
Sorry my bad. explain() does return a time. Is the time which is returned by explain the query execution time? SQL> explain('sparql select * where{?a ?b ?c}'); REPORT VARCHAR ___ { from DB.DBA.RDF_QUAD by RDF_QUAD_POGS

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Hugh Williams
Hi Rose, I don't see any single quotes around the query in the explain function call ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
I tried to use explain() with SPARQL but its giving me the following error. Also does explain return the query execution time(which does not include the compilation time). SQL> explain (sparql select * where{?a ?b ?c}); *** Error 37000: [Virtuoso Driver][Virtuoso Server]SQ074: Line 1: syntax erro

Re: [Virtuoso-users] Virtuoso 7 crash in pl-sql function

2013-11-25 Thread Hugh Williams
Hi Quentin, Are you able to provide a test case for internal recreation of this issue ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Hugh Williams
Hi Rose, You can use the explain() function to obtain a query plan with v6 but it will not include the compilation time, see: http://docs.openlinksw.com/virtuoso/databaseadmsrv.html#perfdiagqueryplans Best Regards Hugh Williams Professional Services OpenLink Software, Inc.

[Virtuoso-users] Possible incorrect results using FILTER NOT EXISTS in DBPedia

2013-11-25 Thread Quentin
Incorrect results appear to be generated when running this against: http://dbpedia.org/sparql As written, two rows are returned which are correct. When the NOT EXISTS filter is uncommented, no results are returned despite that triple clearly not existing. == pr

Re: [Virtuoso-users] Virtuoso 7 crash in pl-sql function

2013-11-25 Thread Quentin
By dataset, I mean a url that represents a graph name. As in: http://example.org/dataset/TestData/ On 26 November 2013 13:07, Quentin wrote: > The offending code, that reliably reproduces the crash in my environment, > is: > split_and_decode(in_datasets,0,'%3B'); > > Where in_datasets is a urle

[Virtuoso-users] Virtuoso 7 crash in pl-sql function

2013-11-25 Thread Quentin
The offending code, that reliably reproduces the crash in my environment, is: split_and_decode(in_datasets,0,'%3B'); Where in_datasets is a urlencoded. semicolon separated list of datasets. $ virtuoso-t -? Virtuoso Open Source Edition (Column Store) (multi threaded) Version 7.0.1-dev.3203-pthread

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
Actually I do not have admin privileges on the server which I am using, so wont be able to upgrade to version 7. Therefore it will be really great if there is a method by which I may do profiling with virtuoso version 6. On Mon, Nov 25, 2013 at 5:33 PM, Rose Beck wrote: > Thanks a lot for h

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
Thanks a lot for helping again. Is there some way out by which I may do profiling with V6? On Mon, Nov 25, 2013 at 5:41 PM, Hugh Williams wrote: > Hi Rose, > > As you are runing v6 the profile function will not work it requires v7+ ... > > The following shows simpler output with the compilation

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Hugh Williams
Hi Rose, As you are runing v6 the profile function will not work it requires v7+ ... The following shows simpler output with the compilation time being stated at the end: SQL> profile ('sparql select count(*) where {?s ?p ?o}'); result LONG VARCHAR __

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
Dear Hugh, Thanks a lot for the help. I am using virtuoso version: Version 6.1.8-dev.3127-pthreads as of Aug 10 2013 Also I am unable to find the compilation and query execution time from the example result set given below. Can you please help me a bit with this. { -- In the below excerpt some li

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Hugh Williams
Hi Rose, What Virtuoso version are you using as this is a Virtuoso 7+ feature ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlin

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
Dear Hugh, Thanks a lot for the help. I tried to profile using profile but I am getting the following errors: SQL> profile('sparql select ?a?b?c where{?a ?b ?c}'); *** Error 42001: [Virtuoso Driver][Virtuoso Server]SR185: Undefined procedure DB.DBA.profile. at line 9 of Top-Level: profile('sparql

Re: [Virtuoso-users] Finding time of query execution

2013-11-25 Thread Hugh Williams
Hi Rose, With Virtuoso 7 you can obtain the compilation (query plan) and query execution time of a query using the "profile" function as detailed at: http://docs.openlinksw.com/virtuoso/databaseadmsrv.html#readingqueryprofile You can also enable general query logging and profiling usin

Re: [Virtuoso-users] Virtuoso 7 LOD public endpoints

2013-11-25 Thread Julien Plu
Both are available :-) Juste I forgot the last "/" at the end : http://data.lirmm.fr/sparql/ My bad sorry :-( Best. Julien. 2013/11/25 Hugh Williams > Hi Julien, > > It seems to be accessible on the Virtuoso default port 8890, rather than > 80: > > http://data.lirmm.fr:8890/sparql/ > > Bes

Re: [Virtuoso-users] Virtuoso 7 LOD public endpoints

2013-11-25 Thread Hugh Williams
Hi Julien, It seems to be accessible on the Virtuoso default port 8890, rather than 80: http://data.lirmm.fr:8890/sparql/ Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/

Re: [Virtuoso-users] Virtuoso 7 LOD public endpoints

2013-11-25 Thread Julien Plu
Hi, There is http://data.lirmm.fr/sparql too :-) Best. Julien. 2013/11/25 Dimitris Kontokostas > Thank you Kingsley & Egon, > > I used your endpoints as sample configurations for my online sparql > debugging app > http://databugger.aksw.org/ > > Best, > Dimitris > > > On Sat, Nov 23, 2013 at

Re: [Virtuoso-users] Virtuoso 7 LOD public endpoints

2013-11-25 Thread Dimitris Kontokostas
Thank you Kingsley & Egon, I used your endpoints as sample configurations for my online sparql debugging app http://databugger.aksw.org/ Best, Dimitris On Sat, Nov 23, 2013 at 5:38 PM, Egon Willighagen < egon.willigha...@gmail.com> wrote: > On Fri, Nov 22, 2013 at 6:30 PM, Dimitris Kontokostas

[Virtuoso-users] Finding time of query execution

2013-11-25 Thread Rose Beck
After executing SPARQL queries in virtuoso using: 1. ./isql dba dba 2. And then firing the SPARQL query After this virtuoso returns the query execution time. So does the returned time include the plan generation time. If yes, is it possible to find: (plan generation time) and (time to retrie

[Virtuoso-users] [ANN] Databugger v0.2 with an online demo

2013-11-25 Thread Dimitris Kontokostas
Dear all, We are pleased to announce the next version of Databugger, a test-driven data debugging framework for the Web of Data. This version brings various improvements in an addition to a web interface. You can