Re: [Virtuoso-users] Blank nodes in INSERT DATA

On Jan 2, 2013, at 12:14 PM, Rob Vesse wrote: > The difference in behavior is in line with the SPARQL specification > > An INSERT DATA clause can only add concrete triples I.e. no blank nodes are > permitted Use of blank nodes is just fine in concrete triples (what the SPARQL 1.1 grammar calls

Re: [Virtuoso-users] Blank nodes in INSERT DATA

Cc: "virtuoso-users@lists.sourceforge.net" Subject: Re: [Virtuoso-users] Blank nodes in INSERT DATA > Hi Alexey, > > The "insert data ..." syntax does indeed fail as you indicate: > > SQL> sparql insert data into <http://sample1/> { _:genid1

Re: [Virtuoso-users] Blank nodes in INSERT DATA

Hi Alexey, The "insert data ..." syntax does indeed fail as you indicate: SQL> sparql insert data into { _:genid1 }; *** Error 37000: [Virtuoso Driver][Virtuoso Server]SQ074: Line 1: SP031: SPARQL compiler: Blank node '_:genid1' is not allowed in a constant clause at line 12

[Virtuoso-users] Blank nodes in INSERT DATA

Is it possible to use blank nodes in INSERT DATA statements? Rumors tell, that spec allows it: http://answers.semanticweb.com/questions/12342/is-it-possible-to-use-blank-node-in-sparql-insert-data-queries I get this error: Virtuoso 37000 Error SP031: SPARQL compiler: Blank node '_:genid1' is not

Re: [Virtuoso-users] Blank Nodes

Hi Erich, By default, blank node names are not stored in Virtuoso at all. They are kept in memory while a single resource is parsed and then forgotten. Hence re-loading the same resource to the same graph will result new blank nodes (duplicate nodes if the previous content is still in place).

[Virtuoso-users] Blank Nodes

Hi, I've used jena arq to execute some SPARQL against a Model that created a whole bunch of blank nodes. When I serialize out the model, things also look good and I can see many blank nodes in the form "_:AX2dX540193e9X3aX136602f3fdbX3aXX2dX7e91" which is what I expected. Now, playing