- From: Eric Prud'hommeaux <eric@w3.org>
- Date: Fri, 29 May 2015 00:13:11 -0400
- To: Thomas Weber <thomas.weber@osthus.com>
- Cc: "public-data-shapes-wg@w3.org" <public-data-shapes-wg@w3.org>
* Thomas Weber <thomas.weber@osthus.com> [2015-05-28 13:57+0000]
> I want to state that a composite shape ex:C has exactly one part ex:A and minimum one part ex:B. A and B are disjunct shapes (classes)
Here's a ShEx example with this notion of a QCR using
hasBiologicalParent: <http://w3.org/brief/NDUy> . Note that
in the Validation Mesages, <Alice> passes while <Bob> fails.
> ex:a1 sh:nodeShape ex:A .
> ex:a2 sh:nodeShape ex:A .
> ex:b1 sh:nodeShape ex:B .
I don't think sh:nodeShape tells the validation engine to assume that
something has a shape. I gave ex:A and ex:B some testable conditions
and used nodeShape to test for validation of c1 and c2 in
<http://w3.org/brief/NDUz>.
> ex:c1 ex:hasPart ex:a1, ex:b1 .
> ex:c2 ex:hasPart ex:a1, ex:a2, ex:b1 .
>
> ex:c1 should pass shape ex:C, ex:c2 not.
>
> My understanding is that
> ex:C a sh:Shape;
> sh:property [
> sh:predicate ex:hasPart;
> sh:minCount 1;
> sh:maxCount 1;
> sh:valueShape ex:A;
> ];
> sh:property [
> sh:predicate ex:hasPart;
> sh:minCount 1;
> sh:valueShape ex:B;
> ];
> .
> would be an incorrect shape and could never be fulfilled.
>
> Instead something like:
> ex:C a sh:Shape;
> sh:property [
> sh:predicate ex:hasPart;
> sh:qualified [
> sh:minCount 1;
> sh:maxCount 1;
> sh:valueShape ex:A;
> ];
> sh:qualified [
> sh:minCount 1;
> sh:valueShape ex:B;
> ]
> ]
> .
>
> that limits the cardinality constraint to a local scope of sh:valueShape is needed.
>
> Does the group has already a concept how to handle this?
One limitation of asserting that the QCRs have to be attached to the
same triple constraint is that you can't e.g. make some be in an OR.
Using ShExC for compactness, a :SurgicalProcedure has a performer
in either the role of :Surgeon or :EmergencyPhysician, optionally
an acting :Anesthesiologist, and if the :site is cardio-related,
a :Cardiologist, or a neurologist for neuro sites:
x:SurgicalProcedure {
:performer { :role (:Surgeon :EmergencyPhysician) },
:performer { :role (:Anesthesiologist) }?,
( :site (:Heart :Aorta :VenaCava), :performer [ :role (:Cardiologist) ]
|:site (:Brain :Spine), :performer [ :role (:Neurologist) ]
)
}
Having all :performers groupes in the same triple constraint would
prevent us from saying that we require a cardiologist if the site
is a cardio site.
> Kind regards,
>
> Thomas Weber
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Received on Friday, 29 May 2015 04:13:16 UTC