Re: [Virtuoso-users] Virtuoso 6.1.3 NT import problem

2011-04-15 Thread Mitko Iliev
Hi Bernhard, The dump you have most probably have an enormously long IRI string (over 2k chars). Best Regards, Mitko On Apr 15, 2011, at 9:01 PM, Bernhard Haslhofer wrote: > Hi, > > we recently switched to Virtuoso 6.1.3 and since then our data import process > terminates with the following

[Virtuoso-users] Virtuoso 6.1.3 NT import problem

2011-04-15 Thread Bernhard Haslhofer
Hi, we recently switched to Virtuoso 6.1.3 and since then our data import process terminates with the following error message: *** Error 23000: [Virtuoso Driver][Virtuoso Server]SR133: Can not set NULL to not nullable column 'DB.DBA.RDF_QUAD.O' at line 0 of Top-Level: DB.DBA.TTLP_MT_LOCAL_FILE(

[Virtuoso-users] Linked Data Follow-Your-Nose within Virtuoso SPARQL queries

2011-04-15 Thread Kingsley Idehen
All, We've long had a tutorial re. how to incorporate the Linked Data follow-your-nose pattern into Virtuoso SPARQL queries [1]. This is how you basically crawl resources across the Web as part of a SPARQL query. You may or may not know that this feature (via Sponger Middleware) [2] has exist

Re: [Virtuoso-users] Question about SPARQL and Linked Data Dereferencing

2011-04-15 Thread Kingsley Idehen
On 4/15/11 10:18 AM, Kingsley Idehen wrote: Daniel, How is the data getting into Virtuoso? Are you loading the dataset directly our using the sponger route. That information is critical. Remember FROM clause combined with pragma: define get:soft "replace", is how you import data into Virtuoso a

Re: [Virtuoso-users] Question about SPARQL and Linked Data Dereferencing

2011-04-15 Thread Kingsley Idehen
On 4/15/11 9:14 AM, Daniel Lewis wrote: On Thu, 2011-04-14 at 10:04 -0400, Kingsley Idehen wrote: add Graph ?g pattern to the query so that the source Graph IRIs show up in your result set. I suspect you sponged this data into your instance? If so, then you can do a forced clean via SPARQL prag

Re: [Virtuoso-users] Question about SPARQL and Linked Data Dereferencing

2011-04-15 Thread Daniel Lewis
On Thu, 2011-04-14 at 10:04 -0400, Kingsley Idehen wrote: > add Graph ?g pattern to the query so that the source Graph IRIs show up > in your result set. > > I suspect you sponged this data into your instance? If so, then you can > do a forced clean via SPARQL pragma: define get:soft "replace" ,