Another SHACL question for the topbraid-users group:
This one is a bit hard to explain, but the general idea is to create a
shape that requires two target classes, and the hierarchical parent must be
one of three classes, and the target cannot have any properties are a
sub-property of a property.
Working it out a bit I believe the following is the equivalent query in
SPARQL:
SELECT *
WHERE {
$this a ex:Cls1, ex:Cls2 .
{ $this ex:parent/rdf:type ex:Cls3 . }
UNION
{ $this ex:parent/rdf:type ex:Cls4 . }
UNION
{ $this ex:parent/rdf:type ex:Cls5. }
?prop rdfs:subPropertyOf ex:assoc .
$this ?prop ?x
}
Any $this found by this query would be a violation, based on the last
triple pattern - i.e. the rest are requirements,that are taken up by other
shapes. But what I want here is to report if the target class combination,
with appropriate parents, has one of the ex:assoc sub-properties. To
paraphrase: "Instances of Cls1 and Cls2 ... cannot have any ex:assoc
properties.
Any hints or direction on this would be useful. I've tried a few things
but have so far failed to make much headway.
Appreciate it and TIA.
-- Scott
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