[Virtuoso-users] Long read issues with PHP odbc

Hi Everybody, I am facing long read issue with one of my server (when sparqling). The server runs: (1) Virtuoso 5.12.3041 (2) PHP 5.3.2 (3) It uses the default unixodbc drivers that comes with ubuntu (4) I am using DB.DBA.SPARQL_EVAL to wrap the sparql queries via the PHP-ODBC API. So, bas

Re: [Virtuoso-users] Date literal persistence issues

Hi. Got the issue fixed myself. It was a java.sql.Date issue. Sorry for the noise. Br, Timo Westkämper On 05/03/2011 02:50 PM, Timo Westkämper wrote: Hi. As an update to the previous issue, xsd:dateTime literals work correctly. Br, Timo Westkämper On 05/03/2011 12:00 PM, Timo Westkämper w

Re: [Virtuoso-users] Date literal persistence issues

Hi. As an update to the previous issue, xsd:dateTime literals work correctly. Br, Timo Westkämper On 05/03/2011 12:00 PM, Timo Westkämper wrote: Hi. I am having issues with RDF date literal persistence. Dates after 1900-01-01 are persisted correctly, but 1900-01-01 and before are shifted one

Re: [Virtuoso-users] Backing-up Virtuoso

On 03/05/2011 00:30, Alexandre Passant wrote: > Also, is there an easy way to create a full NQUAD archive from the content of > my RDF store ? Should be pretty easy, I think. a) devise a query that returns everything, for example select distinct * where { graph ?g { ?s ?p ?o . } } limit 1000 b)

Re: [Virtuoso-users] Backing-up Virtuoso

Hi Alexandre, The backup files would get written the the master node database working directory ie cluster_01 in your case or you can specify a directory for the files to be written to with the optional 4th parameter of this function as detailed in the function reference guide at: http

Re: [Virtuoso-users] Primary key not found in delete error cause

Hi Bharath, I would suggest rebuilding the index and then see if the delete from graph is still causing a crash. Also do confirm you are running the latest 6.1.3 open source release, use the “virtuoso-t -?” command to determine the version. If a core file being produced when a crash occurs you

[Virtuoso-users] Date literal persistence issues

Hi. I am having issues with RDF date literal persistence. Dates after 1900-01-01 are persisted correctly, but 1900-01-01 and before are shifted one day into the past. e.g. "1900-01-01"^^xsd:date is transformed into "1899-12-31"^^xsd:date What am I doing wrong? Or is this a bug? Br, Timo We

Re: [Virtuoso-users] Best Configuration Parameters

Hello Concetto, On Mon, 2011-05-02 at 16:06 +0200, Concetto Bonafede wrote: > File size 46297088000, 5651500 pages, 128389 free. > 200 buffers, 1824911 used, 6 dirty 0 wired down, repl age 0 0 w. > io 0 w/crsr. > Disk Usage: 10641382 reads avg 0 msec, 0% r 0% w last 12 s, 236840 > writes

Re: [Virtuoso-users] Primary key not found in delete error cause

Thanks Hugh for the reply i will check the virtuoso's index . I have one more doubt when ever we use the delete query : -- SPARQL DELETE FROM GRAPH { ?s ?p ?o } FROM WHERE { ?s ?p ?o.}) the whole virtuoso crashes and there is no log also to know about the

Re: [Virtuoso-users] RDF - how to interact with other triple stores?

Hi Robert, Virtuoso extends SPARQL so it is possible to download RDF resource from a given IRI, parse them and store the resulting triples in a graph, all three operations will be performed during the SPARQL query execution as detailed in [1]. The Virtuoso uriburner.com service at [2] is a demo