Eclipse RDF4J SHACL Extensions (RSX) extends SHACL [[shacl]] with useful features implemented by Eclipse RDF4J.
This document uses the prefix
rsx which represents the namespace
which is accessible via its URL
The vocabulary is available in Turtle.
RSX aims to extend SHACL [[shacl]] to provide missing features that are useful for the Eclipse RDF4J user base. Eclipse RDF4J aims to implement all these features as a reference implementation.
Eclipse RDF4J promotes RSX as a general extension to SHACL and welcomes other implementers to use the RSX features. Eclipse RDF4J strives to work with the SHACL community to design features that could eventually make it into the next version of SHACL.
rsx:targetShapeas its predicate. Conversely, the values of
The remainder of this section is informative.
Shape-based Targets is a powerful way of selecting targets. The use of a shape to select the targets for another shape is a natural extension where the familiar SHACL language that describes constraints can also be used to describe the targets for those constraints.
SPARQL-based Targets are more expressive compared to Shape-based Targets but require using the SPARQL language and semantics for expressing the target selection, rather than SHACL. This also makes them harder to optimize.
ex:NorwegianShape a sh:NodeShape; rsx:targetShape [sh:path ex:nationality; sh:hasValue ex:Norwegian]; sh:property [sh:path ex:norwegianID; sh:minCount 1; sh:maxCount 1]; .
ex:OlaNordmann ex:nationality ex:Norwegian; ex:norwegianID "12345010150", "54321010150". ex:KariNordmann ex:nationality ex:Norwegian; ex:norwegianID "23413051243". ex:NoraNordmann ex:norwegianID "12413051143", "57294051143".
ex:CompanyShape a sh:NodeShape; rsx:targetShape [ sh:nodeKind sh:IRI; sh:pattern "^https://company-graph.example.com/resource/company/"; ]; sh:class ex:Company; sh:property [sh:path dc:type; sh:in ("conglomerate" "collective" "enterprise")]; .
<https://company-graph.example.com/resource/company/BigCo> a ex:Organisation. <https://company-graph.example.com/resource/company/SmallCo> a ex:Company; dc:type "enterprise".
ex:langStringShape a sh:NodeShape; rsx:targetShape [sh:datatype rdf:langString]; sh:languageIn ("en" "bg"); .
ex:EiffelTower rdfs:label "Eiffeltårnet"@no-nb, "Eiffel Tower", "Айфелова кула"@bg.
ex:Personshape a sh:NodeShape; rsx:targetShape [sh:path foaf:knows; sh:minCount 3; sh:class foaf:Person]; sh:property [sh:path foaf:knows; sh:hasValue ex:Steve]; .
ex:Mary a foaf:Person; foaf:knows , , . ex:Katie a foaf:Person. ex:Steve a foaf:Person. foaf:knows ex:Mary, ex:Katie, ex:Peter. ex:Peter foaf:knows ex:Mary, ex:Katie, ex:Peter, ex:Steve.
ex:PartyShape a sh:NodeShape; rsx:targetShape [a sh:NodeShape; sh:property [sh:path rdf:type; sh:hasValue foaf:Organization]; sh:property [sh:path dc:type; sh:hasValue "political-party"]; ]; sh:property [sh:path ex:politics; sh:in ("Democrat" "Republican"); sh:minCount 1; sh:maxCount 1];
ex:Independent a foaf:Organization; dc:type "political-party"; ex:politics "Socialism".
Validation results may include the data graph(s) that were considered when producing the validation result.
Validation results may include the shape graph(s) where the given
sh:sourceShape was retrieved from.