Hi Mark,
thanks for your time.
In fact I've tracked down the problem using the examples from the SPIN
distribution: the problem seems to occur because my ontologies are
importing both owrl-all and spl.
You can verify this easily: download the KennedysSPIN ontology and add :
<owl:imports rdf:resource="http://spinrdf.org/spl"/>
<owl:imports rdf:resource="http://topbraid.org/spin/owlrl-all"/>
If you now run KennedysInferencingAndConstraintsExample.java (modified so
it reads the local KennedysSPIN file), it will fail.
Is this a bug? Would there be a simple workaround? Any idea why this only
fails using the SPIN API and not in TBC?
Thanks a lot for your help,
Wim
Op donderdag 18 december 2014 21:35:50 UTC+1 schreef Mark Graham:
>
> Hi Wim,
>
> Thanks for choosing our TopBraid product. Our development team has
> reviewed this issue and here are the recommended steps to address your
> question.
>
> Please use the code from
> http://www.topquadrant.com/repository/spin/org/topbraid/spin/1.4.0/ to do
> the following steps -
> - Run inferences(org.topbraid.spin.inference.SPINInferences.java) on your
> model.
> - Add the triples generated from the inferences to a model.
> - Run the constraints(org.topbraid.spin.constraints.SPINConstraints.java)
> on the model containing the SPIN inferences.
>
>
>
> Thanks,
> Mark
>
>
> Mark Graham
> TopQuadrant Support
>
>
>
> On Thu, Dec 18, 2014 at 8:20 AM, Wim <[email protected]
> <javascript:>> wrote:
>>
>> Hello,
>>
>> I'm trying to do the following:
>> 1) read an ontology (and all its imports), generate all inferences
>> 2) show all constraint violations.
>>
>> With TBC SE, I can do this without a problem: I just open the ontology,
>> generate the inferences, and check the constraint problems.
>>
>> However if I do the same with the SPIN API, only the first step succeeds.
>> SPINConstraints.check throws a QueryParseException. See full stack trace:
>> http://pastebin.com/r85LbAVg
>>
>> This is my code, based on your examples:
>> http://pastebin.com/pvhA0Q1n
>>
>> Strangely, if I first use TBC to export everything (all ontologies +
>> inference graph) into a single file, and apply the CheckConstraints.java
>> example, it works as expected.
>> However if I use the RunInferences.java example to generate the
>> inferences and store everything in one file (as is done in my code
>> mentioned above, after the exception is thrown), the CheckConstraints.java
>> example fails again. There's a little more diagnostics now, apparently it
>> fails for some "spl" function: http://pastebin.com/WeXfhPa6
>> If I remove this spl function, it fails on another spl function, and so
>> on.
>>
>> I use an ont-policy.rdf file to control which
>> spl.spin.rdf/spin.rdf/sp.rfd/... files are used by the script. I've tried
>> to use the RDF files that can be resolved online, those that came with TBC,
>> and those that are part of the spinapi jar file. All show the same error.
>>
>> To run the inferences and constraint checks I will continue to use TBC,
>> but I'd also like to do this in an automated way via SPIN API.
>>
>> Any idea what's going wrong?
>>
>> Thanks a lot for your help,
>>
>> Wim
>>
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