I guess this makes sense. I added a sh:minCount of 1. Now I get no violation when concept_schema:preferred_specialty has a value. But I still get a violation when only concept_schema:preferred_specialty_inferred has a value. I imagine this is because it can only have inferred values and not explicit ones, or perhaps because the sh:path of the property shape is a magic property. This is what the property shape looks like:
concept_schema:HwcvConcept-has_inferred_specialty a sh:PropertyShape ; sh:path <http://metadata.healthwise.org/app/magic-props#has_inferred_specialty> ; rdfs:label "managing specialties (inferred)" ; sh:class concept_schema:SpecialtyConcept ; sh:group concept_schema:Ontological_Relationships ; sh:name "managing specialties (inferred)" ; sh:nodeKind sh:IRI ; sh:order 8.1 ; sh:values [ <http://metadata.healthwise.org/app/magic-props#has_inferred_specialty> ( sh:this ) ; ] ; . Is there anything I can do to tell the SHACL engine that inferred values for has_inferred_specialty should meet my sh:xone constraint? As an aside: the phrasing of the constraint violation message for sh:xone could be a lot better. My taxonomy’s users don’t know or care what a “sh:xone enumeration” means. What would be helpful to them is a message like this: “Either [concept 1] or [concept 2] should have a value, but not both.” From: topbraid-users@googlegroups.com <topbraid-users@googlegroups.com> On Behalf Of Irene Polikoff Sent: Tuesday, September 15, 2020 11:35 AM To: topbraid-users@googlegroups.com Subject: Re: [topbraid-users] SHACL help *** External email: use caution *** When minCount is not stated, it means minCount = 0. Thus, sh:property [ sh:path concept_schema:preferred_specialty ; ] ; Is the same as sh:property [ sh:path concept_schema:preferred_specialty ; sh:minCount 0; ] ; The same with the other shape. So, indeed, irrespective of how many values you have, your data conforms to both shapes and it must conform to only one of them. Add sh:minCount 1 to both property shapes. Then, you get a violation only of you have both properties populated or neither properties populated. On Sep 15, 2020, at 2:24 PM, cbur...@healthwise.org<http://healthwise.org/> <cburn...@healthwise.org<mailto:cburn...@healthwise.org>> wrote: Thanks for the help. I was indeed confused about the meaning of sh:disjoint. I have written a basic sh:xone constraint like this: sh:xone ( [ sh:property [ sh:path concept_schema:preferred_specialty ; ] ; ] [ sh:property [ sh:path concept_schema:preferred_specialty_inferred ; ] ; ] ) ; . where concept_schema:preferred_specialty has only explicit values and concept_schema:preferred_specialty_inferred has only inferred values. But now, in my concept data, whether 0, 1, or 2 of these properties has a value, I am still getting a constraint violation saying: Value has 2 shapes out of 2 in the sh:xone enumeration What could I be doing wrong? On Friday, September 11, 2020 at 6:10:17 PM UTC-7 Holger Knublauch wrote: On 12/09/2020 09:21, Irene Polikoff wrote: On Sep 11, 2020, at 6:02 PM, cbur...@healthwise.org<http://healthwise.org/> <cbur...@healthwise.org> wrote: These questions are more about SHACL than about EDG per se, but I think you experts will be able to help me. 1. sh:disjoint: I have used sh:disjoint to declare that the sh:path of a property shape is disjoint with another another property, like this: ex:Concept-property a sh:PropertyShape ; sh:path ex:property ; sh:disjoint ex:property2 . Testing this out in EDG 6.4.1 yields no constraint violations when I assign values to a certain instance of ex:Concept for both ex:property and ex:property2. Have I set this up incorrectly, or do I need to do something else to make EDG raise warnings in this situation? Disjoint means that a given resource cannot have the same value for ex; property as for ex:property2. E.g., a pref label for resource X can’t be the same as alLabel for resource X. Is this what you meant? In case you're stuck, a minimal complete example would allow us to reproduce it. Or do you mean something else i.e., it either have a value for ex:property or a value for ex:property2 e.g., either foaf:givenName or foaf:firstName, but not both. If so, then use xone: https://www.w3.org/TR/shacl/#XoneConstraintComponent<https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.w3.org%2FTR%2Fshacl%2F%23XoneConstraintComponent&data=02%7C01%7Ccburnett%40healthwise.org%7C29db85d271374b14b53808d859a6129d%7Ccee5d4e942e548c28a033406fd5b9242%7C0%7C0%7C637357917099396946&sdata=QUcKJ7zEoqFcpOftjcteZ%2B%2BEKoR3swUtnZmPMn%2FMgvw%3D&reserved=0> 2. Inferring data: Suppose ex:property and ex:property2 are disjoint for a given shape, as specified above. If an instance of ex:Concept has exactly one value for either ex:property or ex:property2, I would like to infer that this is the value of ex:property3. How could this be modeled? The exact expression depends on your answer to the first question. 2. A different property pair constraint: This case is nearly the opposite of the above. Suppose I wish to specify that any value of ex:property4 (which has sh:maxCount 1) must be one of the values of ex:property5 (which has no sh:maxCount). How would I express that? (I don't see a way to do it using sh:equals.) SPARQL-based constraint Yes or dash:subSetOf already implements this SPARQL constraint: http://datashapes.org/constraints.html#SubSetOfConstraintComponent<https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdatashapes.org%2Fconstraints.html%23SubSetOfConstraintComponent&data=02%7C01%7Ccburnett%40healthwise.org%7C29db85d271374b14b53808d859a6129d%7Ccee5d4e942e548c28a033406fd5b9242%7C0%7C0%7C637357917099406940&sdata=cj1sbmpSxLsMip%2Fog3p5%2Fh8zEoT3TSNCczd58mT9FI8%3D&reserved=0> Holger -- You received this message because you are subscribed to the Google Groups "TopBraid Suite Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to topbraid-users+unsubscr...@googlegroups.com<mailto:topbraid-users+unsubscr...@googlegroups.com>. 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