Validating sh:xone

[Tomasz Pluskiewicz]

Hello

I've just finished integrating SHACL validation into Shaperone form builder (using rdf-validate-shacl) and I noticed that using a simple xone logical constraint, the validation does not pass if sh:minCount is not set.

Here's an example, which for same data will work if you uncomment the three lines on the left.

The same validation is returned in the original SHACL Playground.

Is this correct or maybe an error in the validation logic?

Regards,

Tom

[Holger Knublauch]

Hi Tom,

you may want to contact the developers of that API directly. I have confirmed that TopBraid (Java code) seems to handle this scenario correctly. Having no sh:minCount means that both branches will always be satisfied, while adding sh:minCount 1 should make the sh:xone behave as expected.

Holger

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[Tomasz Pluskiewicz]

Thanks, I will report

That library is a port of SHACL.js, and it also has the same issue, in case you'd want to support the original library too :)