Hello Holger, 

Just an addendum to my previous post: in your example code, you're adding 
"http://topbraid.org/spin/owlrl"; <http://topbraid.org/spin/owlrl> instead 
of "http://topbraid.org/spin/owlrl-all"; <http://topbraid.org/spin/owlrl>.
If I try your code with owlrl-all, the problem (bug?) also appears.

Thanks,

Wim



Op maandag 22 december 2014 01:15:46 UTC+1 schreef Holger Knublauch:
>
>  
>
> On 12/19/2014 23:06, Wim wrote:
>  
> 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"; 
> <http://spinrdf.org/spl>/> 
>     <owl:imports rdf:resource="http://topbraid.org/spin/owlrl-all"; 
> <http://topbraid.org/spin/owlrl-all>/>
>  
> If you now run KennedysInferencingAndConstraintsExample.java (modified so 
> it reads the local KennedysSPIN file), it will fail.
>  
>
> Hi Wim,
>
> I have not been able to reproduce this problem yet. The error looks like 
> it failed to parse some SPARQL query. The online version of owlrl uses the 
> text-based SPIN syntax with sp:text, and in order to parse those, it needs 
> certain prefixes to be visible. However, even if I make the modifications 
> you suggest, it still seems to work OK. Instead of modifying the 
> kennedysSPIN file, I have added the owl:imports triples manually (which 
> should have the same effect):
>
> public class KennedysInferencingAndConstraintsExample {
>
>     public static void main(String[] args) {
>         
>         // Initialize system functions and templates
>         SPINModuleRegistry.get().init();
>
>         // Load main file
>         Model baseModel = ModelFactory.createDefaultModel();
>         baseModel.read("http://topbraid.org/examples/kennedysSPIN"; 
> <http://topbraid.org/examples/kennedysSPIN>);
>         baseModel.add(ResourceFactory.createResource(
> "http://topbraid.org/examples/kennedysSPIN"; 
> <http://topbraid.org/examples/kennedysSPIN>),
>                 OWL.imports,
>                 ResourceFactory.createResource(
> "http://topbraid.org/spin/owlrl"; <http://topbraid.org/spin/owlrl>));
>         baseModel.add(ResourceFactory.createResource(
> "http://topbraid.org/examples/kennedysSPIN"; 
> <http://topbraid.org/examples/kennedysSPIN>),
>                 OWL.imports,
>                 ResourceFactory.createResource(SPL.BASE_URI));
>         
>         // Create OntModel with imports
> ...
>
> Despite this change, it still works fine. Could you try to step-by-step 
> narrow down what is different in your scenario? I can see you use an 
> ontpolicy file, which is not used by the default example code.
>
> Thanks
> Holger
>
>
>  
> 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]> 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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