I think some of the commercial reasoners can handle this, but you’d need to
investigate that yourself.
However, the example given is trivial to write using a SPIN rule on the
superclass X to construct a rdf:type statements referencing the subclass XSmall
for all instances of X where length < 10 - something like
CONSTRUCT { ?this a ex:Xsmall . }
WHERE {
?this ex:length ?length .
FILTER(?length < 10 )
}.
If you need this as a general capability, and want to define things in OWL but
use SPIN for inference then seems like you could probably construct the model
SPIN rules by writing meta-model SPIN rules on owl:Restriction, etc. reading
the OWL itself looking for cases of <, >, = , <= !=, >=, etc being used in the
restriction of datatype properties with simple XSD datatype ranges.
Cheers,
David
UK +44 7788 561308
US +1 336 283 0606
> On 16 Feb 2015, at 08:16, Bohms, H.M. (Michel) <[email protected]> wrote:
>
> Hi Holger
>
> Ok, thx. Could you give me a hint on how to do this with SPIN or would it
> really require an extension of spin itself?
> Guess it a kind of global spin rule you would attach to “any individual” iso
> to a class?
>
>
> Dr. ir. H.M. (Michel) Bohms
> Sr. Research Scientist
> Structural Reliability
> T +31 (0)88 866 31 07
> M +31 (0)63 038 12 20
> E [email protected] <mailto:[email protected]>
> Location <http://www.tno.nl/locaties/DTM>
>
>
> <image001.gif> <http://www.tno.nl/>
> This message may contain information that is not intended for you. If you are
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> From: [email protected]
> <mailto:[email protected]>
> [mailto:[email protected]
> <mailto:[email protected]>] On Behalf Of Holger Knublauch
> Sent: donderdag 12 februari 2015 1:12
> To: [email protected] <mailto:[email protected]>
> Subject: Re: [topbraid-users] automatic classification?
>
> I don't think any of the built-in reasoners of TopBraid understand custom
> datatypes. It should be a doable extension to the SPIN OWL RL model, similar
> how spinowl.ttl already supports constraint checking on such user-defined
> datatypes.
>
> Holger
>
>
> On 2/11/2015 23:13, Bohms, H.M. (Michel) wrote:
> Suppose i have a class X and subclass XSmall
> And property length
>
> I define for XSmall an equivalentclass: (X and (length only xsd:float[<
> "10"^^xsd:float]))
>
>
> I now have an instance of X being x with value 5 for length
>
> What reasoner do I have to run to infer: x rdf:type XSmall?
>
> Or am I doing something wrong in principle….
>
> (swiftowlim is in my scenario…)
>
> Thx michel
>
>
> Dr. ir. H.M. (Michel) Bohms
> Sr. Research Scientist
> Structural Reliability
> T +31 (0)88 866 31 07
> M +31 (0)63 038 12 20
> E [email protected] <mailto:[email protected]>
> Location <http://www.tno.nl/locaties/DTM>
>
>
> <image001.gif> <http://www.tno.nl/>
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