I suspect this is another instance of the common misunderstanding: the @prefix declarations are not mapped to any triples and are only a concept of the serialization. To make them visible to SHACL, you need to declare triples such as in
https://www.w3.org/TR/shacl/#sparql-prefixes in your case it would be skos: as subject. Holger > On 28 Feb 2023, at 12:56 pm, Martynas Jusevičius <marty...@atomgraph.com> > wrote: > > Hi, > > Does Jena's SHACL engine support sh:prefixes? Or am I using them wrong? > > The following test shape > > @prefix skos: <http://www.w3.org/2004/02/skos/core#> . > @prefix sh: <http://www.w3.org/ns/shacl#> . > > <#ConceptBroaderCycleShape> > a sh:NodeShape ; > sh:targetClass skos:Concept ; > sh:sparql [ > a sh:SPARQLConstraint ; > sh:message "Concept is broader than itself (directly or indirectly)" ; > sh:prefixes skos: ; > sh:select """ > SELECT * > { > $this skos:broader+ $this . > } > """ ; > ] . > > returns an error: > > org.apache.jena.shacl.parser.ShaclParseException: Bad query: Line 5, > column 23: Unresolved prefixed name: skos:broader > at org.apache.jena.shacl.lib.ShLib.parseQueryString(ShLib.java:262) > at org.apache.jena.shacl.lib.ShLib.extractSPARQLQuery(ShLib.java:270) > at > org.apache.jena.shacl.engine.SparqlConstraints.parseSparqlConstraint(SparqlConstraints.java:64) > at > org.apache.jena.shacl.parser.Constraints.lambda$static$20(Constraints.java:116) > at > org.apache.jena.shacl.parser.Constraints.parseConstraint(Constraints.java:176) > at > org.apache.jena.shacl.parser.Constraints.parseConstraints(Constraints.java:160) > at > org.apache.jena.shacl.parser.ShapesParser.parseShape$(ShapesParser.java:319) > at > org.apache.jena.shacl.parser.ShapesParser.parseShapeStep(ShapesParser.java:305) > at org.apache.jena.shacl.parser.ShapesParser.parseShape(ShapesParser.java:236) > at > org.apache.jena.shacl.parser.ShapesParser.parseShapeAcc(ShapesParser.java:221) > at > org.apache.jena.shacl.parser.ShapesParser.parseShapes(ShapesParser.java:163) > at > org.apache.jena.shacl.parser.ShapesParser.parseProcess(ShapesParser.java:100) > at org.apache.jena.shacl.Shapes.parseProcess(Shapes.java:111) > at org.apache.jena.shacl.Shapes.parseAll(Shapes.java:106) > at org.apache.jena.shacl.Shapes.parse(Shapes.java:83) > at > org.apache.jena.shacl.validation.ShaclPlainValidator.parse(ShaclPlainValidator.java:38) > at > org.apache.jena.shacl.validation.ShaclPlainValidator.validate(ShaclPlainValidator.java:90) > at shacl.shacl_validate.exec(shacl_validate.java:124) > at org.apache.jena.cmd.CmdMain.mainMethod(CmdMain.java:87) > at org.apache.jena.cmd.CmdMain.mainRun(CmdMain.java:56) > at org.apache.jena.cmd.CmdMain.mainRun(CmdMain.java:43) > at shacl.shacl_validate.main(shacl_validate.java:60) > at shacl.shacl.main(shacl.java:81) > > > Martynas
