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

2013-10-15 Thread Hugh Williams
Egon, On 15 Oct 2013, at 22:35, Egon Willighagen wrote: > Dear Hugh, > > On Sat, Oct 12, 2013 at 3:36 PM, Hugh Williams > wrote: >> Glad to hear the stability has improved ... > > OK, it had crashed again in the past half day ... > >> With regards to SNORQL, what happens if you run the sam

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

2013-10-15 Thread Egon Willighagen
Dear Hugh, On Sat, Oct 12, 2013 at 3:36 PM, Hugh Williams wrote: > Glad to hear the stability has improved ... OK, it had crashed again in the past half day ... > With regards to SNORQL, what happens if you run the same query directly > against the Virtuoso SPARQL endpoint ie /sparql rather t

Re: [Virtuoso-users] creating indexes with Virtuoso 7.0.0

2013-10-15 Thread Hugh Williams
Hi Erich, Ah, you should not really be using that bitmap index with the default v7 indexes which are for column store. I tried that myself just now and my server crashed on Mac loading datasets, which it should not even if the indexes are mismatched, so I have reported to development. The docs

Re: [Virtuoso-users] Strange use of indices in Virtuoso 7.0.0

2013-10-15 Thread Hugh Williams
Hi Nicola, That looks like an actual static tar archive of the sources from Aug, whereas if you clone and checkout the develop/7 branch you will get the latest fixes, which is what I have been testing with ... http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VOSGitUsag

Re: [Virtuoso-users] [lod2] virtuoso7 in stack

2013-10-15 Thread Kingsley Idehen
FYI On 10/15/13 11:02 AM, Karel Kremer wrote: Dear LOD2 member, The stack has been updated to include version 7 of virtuoso-opensource. Please be advised that the installation procedure of the stack has been updated to include the installation of the lod2-virtuoso-opensource package as a fir

Re: [Virtuoso-users] Path query crashes virtuoso 7.00.3203

2013-10-15 Thread Jerven Bolleman
Hi Hugh, Thanks for your time spent looking into this. On 15/10/13 04:35, Hugh Williams wrote: > Hi Jerven, > > I have downloaded the /taxonomy.rdf.gz dataset and installed, but have > not been able to recreate this problem using a commercial or open source > Virtuoso build: > > $ ./bin/virtuoso-t

Re: [Virtuoso-users] Why can't object of transitive triple pattern be a blank node?

2013-10-15 Thread Kingsley Idehen
On 10/15/13 9:05 AM, Joshua TAYLOR wrote: Hi all, I recently posted an answer to a Stack Overflow question [1] that led me to write the query select ?prop ?c where { dbpedia:Milano dbpedia-owl:wikiPageRedirects* [ ?prop ?c ] . } and submit it to the DBpedia public endpoint [2] (which has th

[Virtuoso-users] Why can't object of transitive triple pattern be a blank node?

2013-10-15 Thread Joshua TAYLOR
Hi all, I recently posted an answer to a Stack Overflow question [1] that led me to write the query select ?prop ?c where { dbpedia:Milano dbpedia-owl:wikiPageRedirects* [ ?prop ?c ] . } and submit it to the DBpedia public endpoint [2] (which has the appropriate namespace prefixes defined), bu

Re: [Virtuoso-users] Strange use of indices in Virtuoso 7.0.0

2013-10-15 Thread Nicola Vitucci
Hi Hugh, the output of "virtuoso-t -?" is the following: Virtuoso Open Source Edition (Column Store) (multi threaded) Version 7.0.0-rc2.3203-pthreads as of Aug 6 2013 Compiled for Linux (x86_64-unknown-linux-gnu) As for the "git status", I don't have the clone handy but we downloaded the build