> > Hi Holger, > > Thanks again for the answers, it has been of great help. > > I understand the commercial pressures. > > But, here I found the best answers, since there is a lack of material on > SHACL. > > > I believe that I finally got to the solution to my problem. > > > - I rewrote the comparison using the URI, as you indicated: > > for (; node.value! == "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil";;) > {...} > > > - $minSize must be declared with sh:parameter in the shape. > > I did this and created a ConstraintComponent, removing the restriction > from nodeShape. > > > I leave here my test files, in case anyone else needs it. > > The final code of the function is this: > > function myMinOccur ($this, $minSize) { > // Defines an array for the return > var results = []; > // Defines the the IRIs of the target node > var propertyName = TermFactory.namedNode( > "http://www.example.org#coordinates";); > var rest = TermFactory.namedNode( > "http://www.w3.org/1999/02/22-rdf-syntax-ns#rest";); > var nil = TermFactory.namedNode( > "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil";); > > > // Finds the object defined by the target node > var propertyObject = $data.find($this, propertyName, null) ; > > > // Navigate the target node graph > for (var t = propertyObject.next(); t; t = propertyObject.next()) { > // Each instance is a Javascript object > var node = t.object; > var head = node; > var length = 0; > // This loop runs thorugh the list and > // counts how many elements are in the list. > for ( ; node.value !== > "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil";; ) { > length++; > var next = $data.find(node,rest,null).next(); > node = next ? next.object : nil; // Get object if triple > } > // If the list length < 2 ($minSize), then it is an outlier. > if (length < $minSize.lex ) { > results.push({ > value : head > }); > } > } > return results; > } > > > And the result of the validation was: > > [ a sh:ValidationReport ; > sh:conforms false ; > sh:result [ a sh:ValidationResult ; > sh:focusNode ex:MyExample_04 ; > sh:resultMessage "Value does not have shape > ex:PointShape" ; > sh:resultPath ex:p_name_3 ; > sh:resultSeverity sh:Violation ; > sh:sourceConstraintComponent sh:NodeConstraintComponent > ; > sh:sourceShape [] ; > sh:value ex:point_4 > ] ; > > sh:result [ a sh:ValidationResult ; > sh:focusNode ex:point_4 ; > sh:resultMessage "Verify minOccur in > coordinates!!!" ; > sh:resultPath ex:coordinates ; # Have > only one element in rdf:list > sh:resultSeverity sh:Violation ; > sh:sourceConstraintComponent ex: > MinOccurConstraintComponent ; > sh:sourceShape [] ; > sh:value [] > ] > ] . > > > > Hugs, > > > Angelo > > >
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Case_1-DataGraph.ttl
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Case_1-ShapeGraph.ttl
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