Hi Irene,
my mistake. I don't want to specify a URI. What I need a new blank node
which will be attached to ?this. This works a bit better:
CONSTRUCT {
> _:1 :fitForActionType ?actionType .
> _:1 :compatibleWithAccessory ?accessory .
> _:1 rdfs:subClassOf :IndirectCapability.
> ?this :hasIndirectCapability _:1 .
> }
> WHERE {
> ?this :compatibleWithAccessory ?accessory .
> ?accessory a ?accessoryClass.
> ?accessoryClass rdfs:subClassOf* :Accessory.
> ?accessory :fitForActionType ?actionType .
> }
Problem is: the SPIN reasoner whacks out on this. It gets stuck in a loop...
Regards,
Michael
On Friday, 31 January 2014 14:46:32 UTC+1, Irene Polikoff wrote:
>
> Michael,
>
> Yes, you can infer any triples you want in a rule. But the example query
> you created needs to be changed.
>
> Your CONSTRUCT clause will not work because ?x is unbound. You must bind
> it in the WHERE clause to create a URI for this new resource. Check out
> various TopBraid functions for building URI.
>
> Regards,
>
> Irene
>
> Sent from my iPhone
>
> On Jan 31, 2014, at 8:10 AM, "Michael B." <[email protected]<javascript:>>
> wrote:
>
> Is there any way to create new instances / resources using a SPIN rule?
> I'd like to infer a new individual with something like this:
>
>
>
>> CONSTRUCT { ?x a :IndirectCapability.
>> ?x :fitForActionType ?actionType.
>> ?x :compatibleWithAccessory ?accessory.
>> ?this :hasIndirectCapability ?x}
>> WHERE {
>> ?this :compatibleWithAccessory ?accessory.
>> ?accessory :fitForActionType ?actionType.
>> }
>
>
> Regards,
> Michael
>
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