Re: [Virtuoso-users] SPARQL Query doesn't return uploaded triples

2009-10-15 Thread Rumi Tsekova
Hi Taalai, Hi all, I have created user "tman" with password gxa and upload rdf file using: $ curl -i -T myTriples.rdf http://localhost:8890/DAV/home/tman/rdf_sink/myTriples.rdf -u tman:gxa (and also tried uploading using webDAV browser) and got the result 201 CreatedCreatedResource /DAV/

Re: [Virtuoso-users] Using Jena to query Virtuoso SPARQL end point with bif:contains

2009-10-15 Thread Ivan Mikhailov
Hello Egon, The default declaration for "bif:" namespace-prefix is "bif:" namespace-absolute-iri. So the most popular workaround for "smart" clients is sparql SELECT * WHERE {?s ?p ?o . ?o "aspirin" .}; i.e. just write it as an absolute IRI. Similar trick works for "sql:" prefix. Best Regards

Re: [Virtuoso-users] SPARQL Union & Subqueries caveat

2009-10-15 Thread Ivan Mikhailov
Aldo, I've reproduced the bug, will fix it. Thank you for the report (and for your patience while I was unable to understand the problem). Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Thu, 2009-10-15 at 06:30 -0300, Aldo Bucchi wrote: > Hi Ivan, > > On Thu,

[Virtuoso-users] SPARQL Query doesn't return uploaded triples

2009-10-15 Thread Taalai Djumabaev
Hi all, I have created user "tman" with password gxa and upload rdf file using: $ curl -i -T myTriples.rdf http://localhost:8890/DAV/home/tman/rdf_sink/myTriples.rdf -u tman:gxa (and also tried uploading using webDAV browser) and got the result EN">201 CreatedCreatedH1>Resource /DAV/home/tm

[Virtuoso-users] Using Jena to query Virtuoso SPARQL end point with bif:contains

2009-10-15 Thread Egon Willighagen
Hi all, my apologies if this has already been discussed a million times before, but I have not been able to find an answer with Google... I am using Jena to do queries to remote SPARQL end points in the Jena plugin for Bioclipse [0], and the Virtuoso end points typically support the use of bif:co

Re: [Virtuoso-users] Create new account in Virtuoso

2009-10-15 Thread James Malone
Hi Hugh, Perfect, will give it a go! Thanks. James Hugh Williams wrote: Hi James, This is a know problem with the current Virtuoso Open Source 5.0.11 archive, that has been fixed and will be in the upcoming 5.0.12 release. In the meantime you can download an updated Conductor VAD packag

Re: [Virtuoso-users] Create new account in Virtuoso

2009-10-15 Thread Hugh Williams
Hi James, This is a know problem with the current Virtuoso Open Source 5.0.11 archive, that has been fixed and will be in the upcoming 5.0.12 release. In the meantime you can download an updated Conductor VAD package, and updated the existing package to resolve the problem. ftp://

Re: [Virtuoso-users] SPARQL Union & Subqueries caveat

2009-10-15 Thread Aldo Bucchi
Hi Ivan, On Thu, Oct 15, 2009 at 6:08 AM, Ivan Mikhailov wrote: > Hello Aldo, > >> Isn't there any way that the compiler can detect which variables are > being referenced  in the select projections part? > > It detects, but you write "select ?text", not "select ?s ?text" in subqueries. But try i

[Virtuoso-users] Create new account in Virtuoso

2009-10-15 Thread James Malone
Hi Virtuoso-ers, We are experimenting with Virtuoso at EBI as one of our triple store options but we're having a problem creating a new user account. It appears the "save" button is missing from the screen (using Mac and on couple of different browsers accessing the admin pages). Something s

Re: [Virtuoso-users] SPARQL Union & Subqueries caveat

2009-10-15 Thread Ivan Mikhailov
Hello Aldo, > Isn't there any way that the compiler can detect which variables are being referenced in the select projections part? It detects, but you write "select ?text", not "select ?s ?text" in subqueries. Like in SQL, Datalog and other similar languages, variables inside subexpressions ar

[Virtuoso-users] SPARQL Union & Subqueries caveat

2009-10-15 Thread Aldo Bucchi
Hi, There is a general caveat when building SPARQL Unions of Subqueries in Virtuoso which I believe is unnecessary. The following query works fine. select distinct ?s ?text where { { ?s rdfs:label ?text } union { ?s rdfs:comment ?text } } limit 10 But assume I want to complicate it a bit by u