Re: [Virtuoso-users] Check the last update of a virtuoso server

2015-01-30 Thread Frans Knibbe | Geodan
On 2015-01-27 8:29, Marco Tenti wrote: Hi, everyone, I need to know as user when the content of the virtuoso server (the triples) where i''m doing the queries was last updatedor modified. Is there a way to know through SPARQL? or anyway of knowing without be the server administrator? Ty in adv

Re: [Virtuoso-users] Check the last update of a virtuoso server

2015-01-30 Thread Marco Tenti
Ty very much for the response Frans, I'm lucky and the "others" virtuoso server that I use have this property so problem fixed, but for the future, if i found one that haven't(as the property of the dataset mean) there are other solutions that you know? Greetings and ty again for the response solve

[Virtuoso-users] filter exists within service clause

2015-01-30 Thread Andy Jenkinson
Hi, When including FILTER EXISTS inside a SERVICE clause I notice that Virtuoso reports that this is not supported: Virtuoso 37000 Error SP031: SPARQL compiler: The support of SPARQL 1.1 FILTER EXISTS / FILTER NOT EXISTS test syntax is not enabled for the SERVICE at line 11 (bit 0x2000 is not

Re: [Virtuoso-users] Check the last update of a virtuoso server

2015-01-30 Thread Frans Knibbe | Geodan
On 2015-01-30 13:49, Marco Tenti wrote: Ty very much for the response Frans, I'm lucky and the "others" virtuoso server that I use have this property so problem fixed, but for the future, if i found one that haven't(as the property of the dataset mean) there are other solutions that you know?

Re: [Virtuoso-users] filter exists within service clause

2015-01-30 Thread Hugh Williams
Hi Andy, Have you run the Virtuoso "SPARQL LOAD SERVICE ..." to learn the capabilities of a Virtuoso remote SPARQL end point when running SPARQL FED queries as detailed at: http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtTipsAndTricksDiscoverSPARQFedCapabilities

Re: [Virtuoso-users] Check the last update of a virtuoso server

2015-01-30 Thread Hugh Williams
Frans, > On 30 Jan 2015, at 16:29, Frans Knibbe | Geodan > wrote: > > On 2015-01-30 13:49, Marco Tenti wrote: >> Ty very much for the response Frans, I'm lucky and the "others" virtuoso >> server that I use have this property so problem fixed, but for the future, >> if i found one that haven

Re: [Virtuoso-users] filter exists within service clause

2015-01-30 Thread Kingsley Idehen
On 1/30/15 9:02 AM, Andy Jenkinson wrote: Hi, When including FILTER EXISTS inside a SERVICE clause I notice that Virtuoso reports that this is not supported: Virtuoso 37000 Error SP031: SPARQL compiler: The support of SPARQL 1.1 FILTER EXISTS / FILTER NOT EXISTS test syntax is not enabled for

Re: [Virtuoso-users] filter exists within service clause

2015-01-30 Thread Andy Jenkinson
Thanks for your reply Hugh. Ah, no, we have not. May I ask what this does exactly? Looking at the logs, I guess it assumes the presence of a URL ending in "sparql-sd” instead of “sparql”. We don’t route this through to virtuoso at present so it won’t work yet, but is the result of this query d

Re: [Virtuoso-users] filter exists within service clause

2015-01-30 Thread Kingsley Idehen
On 1/30/15 12:16 PM, Andy Jenkinson wrote: Thanks for your reply Hugh. Ah, no, we have not. May I ask what this does exactly? Looking at the logs, I guess it assumes the presence of a URL ending in "sparql-sd” instead of “sparql”. We don’t route this through to virtuoso at present so it won’t

Re: [Virtuoso-users] Virtuoso goes down if the number of concurrent connections to Virtuoso is greater than maximal connections defined in virtuoso.ini

2015-01-30 Thread Hugh Williams
Hi Cong, I compiled your test app and it runs successfully against my Linux develop7 build: VIRTMAIN@vpn184:~/binsrc/jena2/virtuoso_driver$ javac -classpath ".:../lib/junit-4.5.jar:../lib/jena-arq-2.10.1.jar:../lib/jena-iri-0.9.6.jar:../lib/jena-core-2.10.1.jar:../lib/jena-core-2.10.1-tests.ja

Re: [Virtuoso-users] filter exists within service clause

2015-01-30 Thread Hugh Williams
Andy, > On 30 Jan 2015, at 21:09, Kingsley Idehen wrote: > > On 1/30/15 12:16 PM, Andy Jenkinson wrote: >> Thanks for your reply Hugh. >> >> Ah, no, we have not. >> >> May I ask what this does exactly? Looking at the logs, I guess it assumes >> the presence of a URL ending in "sparql-sd” inste