Having the GRAPH keyword solved my problem. Thanks fore the quick reply
Scott!
Bart
On Thursday, June 26, 2014 5:15:10 PM UTC-6, Scott Henninger wrote:
>
> Bart; Yes you assumption is correct. The INSERT query is inserting into
> the default graph, which is the SPARQLMotion script in this case. Whenever
> using INSERT, it should be used with the GRAPH clause unless the context
> for the default graph is set to the graph targeted for the insert. So your
> query will look like:
>
> INSERT
> { GRAPH <...graph_name...>
> { ?s ?p ?o
> }
> }
> WHERE
> { ?s ?p ?o
> }
>
> -- Scott
>
> On 6/26/2014, 7:03 PM, Barton Petersen wrote:
>
> I'm sure it's something simple, but I've beaten my head against the wall
> long enough that I'm going to ask for some help. I'll explain the scenario
> first in case my approach is fundamentally wrong.
>
> For a proof of concept, I need to be able to get data and create data
> easily (hopefully via a restful web service). To query data, I've had a
> lot of success with the SPIN select templates. Those are awesome, easy to
> create and consume for a client. Now I need to be able to easily insert
> data. I did not see a way to do that with SPIN Templates, but if that is
> possible, I would love to know how to do that. Instead, I thought a
> SPARQLMotion web service might be the best approach.
>
> I'm playing around with a simple script to insert a name with the vCard
> ontology. I have two variables, first and last name. Then I send that to
> an Apply Construct module. Then I send that to a Perform Update.
>
>
>
> <https://lh5.googleusercontent.com/-DOZD0UWjHAc/U6ylE_1ZwbI/AAAAAAAAC0I/sPbx7LaeIWk/s1600/SparqlMotionGraph.PNG>
>
> Inside the Apply Construct module, I have the following statement:
>
> CONSTRUCT {
>
> ?nameUri a ns:Individual .
>
> ?nameUri ns:given-name ?firstName .
>
> ?nameUri ns:family-name ?lastName .
>
> }
>
> WHERE {
>
> BIND (URI(CONCAT("http://names.example.com/";
> <http://names.example.com/>, ?lastName, "_", ?firstName)) AS ?nameUri) .
>
> }
>
> And Inside the Perform Update, I have the following statement:
>
> INSERT {
>
> ?s ?p ?o .
>
> }
>
> WHERE {
>
> ?s ?p ?o .
>
> }
> I figured that would insert all the triples generated by the apply
> construct. When I hit the perform update, the graph contains the correct
> triples, but upon stepping into the perform update module, I get a
> nullPointerException. I'm figuring the module doesn't know where to insert
> the triples, but I don't know how to fix that if it is the issue. Any help
> would be much appreciated.
>
> Bart
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