Hi,
I developed a few example shapes to see if SHACL would be useful for some
ontology quality control test cases. After the latest update to the SHACL
API, a couple of my shapes are resulting in spurious violations (they were
working correctly before). I'm not sure if I was relying on incorrect
behavior before, or if instead something is no longer working correctly.
Here is the shape definition:
ex:LabelsShouldBeUnique
rdfs:label "A given label should only be used for one term in the
ontology." ;
a sh:Shape ;
sh:scope [
a sh:AllObjectsScope ;
] ;
sh:inverseProperty [
sh:predicate rdfs:label ;
sh:maxCount 1
] .
(the complete shapes file is
here: https://github.com/balhoff/shacl-tests/blob/master/shapes.ttl)
When I try to validate the RDF at http://purl.obolibrary.org/obo/pato.owl,
I get this result (among many others):
[ a <http://www.w3.org/ns/shacl#ValidationResult> ;
<http://www.w3.org/ns/shacl#focusNode>
"A reflective quality that is the light scattering occurring at
wide angle (around 90 degrees) to the incident beam." ;
<http://www.w3.org/ns/shacl#message>
"Inverse property has more than 1 values (2)" ;
<http://www.w3.org/ns/shacl#object>
"A reflective quality that is the light scattering occurring at
wide angle (around 90 degrees) to the incident beam." ;
<http://www.w3.org/ns/shacl#severity>
<http://www.w3.org/ns/shacl#Violation> ;
<http://www.w3.org/ns/shacl#sourceConstraint>
_:b0 ;
<http://www.w3.org/ns/shacl#sourceConstraintComponent>
<http://www.w3.org/ns/shacl#MaxCountConstraintComponent> ;
<http://www.w3.org/ns/shacl#sourceShape>
<LabelsShouldBeUnique>
] .
But the string "A reflective quality that is the light scattering occurring
at wide angle (around 90 degrees) to the incident beam." is not an object
of the predicate rdfs:label at all. It is found twice though, once as an
object of obo:IAO_0000115 and once as an object of owl:annotatedTarget. Is
this a correct result?
Thank you,
Jim Balhoff
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