Using reified statements in external validators

[Michael Phillips]

I have used the reified statements in EDG to define custom values for sh:message and sh:severity. However, when I export the shapes and use them in a an external validator such as pyshacl or https://shacl-play.sparna.fr/play/validate the custom messages are not retrieved with the validation results. 

In sorted ttl the reified statements are rdf:statement blocks like so:

[
  a rdf:Statement ;
  rdf:object 1 ;
  rdf:predicate sh:minCount ;
  rdf:subject bf:Work-title ;
  sh:message "This property is required."@en ;
  sh:severity sh:Warning ;
].

Currently the external validators appear to only use the property shape and overlook the rdf:statement with sh:message and sh:severity. Is there some configuration I am missing? Any tips on how to get the reified statements to work outside of EDG?

[Holger Knublauch]

Hi Michael,

I don’t think other validators are supporting this feature yet, as it is not officially part of SHACL 1.0 yet.

However, this will change with SHACL 1.2, where reification-based severity and messages will be supported, see

Also note that we are waiting for the finalization of RDF 1.2 so that the use of rdf:Statement can be replaced with proper reified triples.

HTH

Holger

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[Michael Phillips]

Many thanks, Holger. I appreciate the info.

Michael