Thx david

I see all the shacl pros etc.

It just that we have owl-oriented partners that wondered how they could 
autoclassify like in the example.

I know the limitations...was just thinking...maybe we can remodel in such a way 
the same sothat it would come into RL-territory.....
Well,guess that’s difficult ....

Gr michel




Dr. ir. H.M. (Michel) Böhms
Senior Data Scientist


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E michel.bo...@tno.nl<mailto:michel.bo...@tno.nl>

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Van: topbraid-users@googlegroups.com <topbraid-users@googlegroups.com> Namens 
dprice
Verzonden: Thursday, April 9, 2020 1:38 PM
Aan: topbraid-users@googlegroups.com
Onderwerp: Re: [topbraid-users] infer question

I did not look into the details, but TopBraid has support for the OWL RL 
profile wrt inference. Anything beyond that is not supported out-of-the-box.

If you find a few patterns like that you need to support in TopBraid, then 
layer SHACL rules over the OWL or extend the OWL RL SPIN rules to make these 
inferences . You could even have a small library of SPARQL CONSTRUCTs that do 
the trick.

As you know from the V-Con project Michel, it is also possible to do a customer 
extension and integrate a DL reasoner into EDG if that requirement becomes 
operational in an organisation.

Cheers,
David


On 9 Apr 2020, at 11:48, 'Bohms, H.M. (Michel)' via TopBraid Suite Users 
<topbraid-users@googlegroups.com<mailto:topbraid-users@googlegroups.com>> wrote:

No way/trick to topspin-infer “ex:Bridge_1 rdf:type ex:ShortBridge” ?

(I know shacl is better here but still got this question for owl)



From

<https://w3id.org/def/example>
  a owl:Ontology ;
  owl:imports <https://w3id.org/def/basicsemantics-owl> ;
.
ex:Bridge
  a owl:Class ;
.
ex:Bridge_1
  a ex:Bridge ;
  ex:length [
      rdf:value 50.0 ;
    ] ;
.
ex:ShortBridge
  a owl:Class ;
  rdfs:subClassOf ex:Bridge ;
  rdfs:subClassOf [
      a owl:Restriction ;
      owl:cardinality "1"^^xsd:nonNegativeInteger ;
      owl:onProperty ex:length ;
    ] ;
  owl:equivalentClass [
      a owl:Restriction ;
      owl:allValuesFrom ex:ShortBridgeLengthValue ;
      owl:onProperty ex:length ;
    ] ;
.
ex:ShortBridgeLengthValue
  a owl:Class ;
  rdfs:subClassOf bs:QuantityValue ;
  rdfs:subClassOf [
      a owl:Restriction ;
      owl:allValuesFrom [
          a rdfs:Datatype ;
          owl:onDatatype xsd:decimal ;
          owl:withRestrictions (
              [
                xsd:maxInclusive 100 ;
              ]
            ) ;
        ] ;
      owl:onProperty rdf:value ;
    ] ;
.
ex:length
  a owl:ObjectProperty ;
  rdfs:range bs:QuantityValue ;
.







Dr. ir. H.M. (Michel) Böhms
Senior Data Scientist



T +31888663107
M +31630381220
E michel.bo...@tno.nl<mailto:michel.bo...@tno.nl>

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