OPDA Knowledge base
Physical — ontology descriptive

Descriptive shapes

opda:Shapes

Descriptive shapes

5 SHACL shapes, all sharing the same property-shape blank node (_:b218dcfc815ed) which enforces prov:wasGeneratedBy per the three-criterion class-promotion test. Emitted into opda-descriptive-shapes.ttl.

<https://opda.org.uk/pdtf/graph/descriptive-shapes>
    rdf:type owl:Ontology ;
    dct:title "OPDA Descriptive Shapes"@en ;
    opda:targetsClassGraph <https://opda.org.uk/pdtf/harness/release/1.0.0/> .

Shared property shape

The 5 identity-key shapes below all reference the same blank-node property shape:

_:b218dcfc815ed
    sh:message "Class-promoted descriptive Kind MUST carry prov:wasGeneratedBy to its issuing activity per ODR-0008 §Q4a three-criterion test (authority-retrieved provenance is the IC discriminator for class-promotion)."@en ;
    sh:minCount "1"^^xsd:integer ;
    sh:path prov:wasGeneratedBy ;
    sh:severity sh:Violation .

The property shape requires at least one prov:wasGeneratedBy triple on every class-promoted descriptive Kind. This is the IC discriminator that justifies class-promotion per the three-criterion test (authority-retrieved provenance).

opda:ComparableIdentityKeyShape

opda:ComparableIdentityKeyShape
    rdf:type sh:NodeShape ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0008/section-Q4a> ;
    sh:property _:b218dcfc815ed ;
    sh:targetClass opda:Comparable .

Severity tier

sh:Violation (Cat 1 — identity-key via prov:wasGeneratedBy)

Target

sh:targetClass opda:Comparable; property prov:wasGeneratedBy

Validation behaviour

Every opda:Comparable instance MUST carry at least one prov:wasGeneratedBy triple naming the Land Registry / VOA source activity.

Source ODR + ADR

opda:EPCCertificateIdentityKeyShape

opda:EPCCertificateIdentityKeyShape
    rdf:type sh:NodeShape ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0008/section-Q4a> ;
    sh:property _:b218dcfc815ed ;
    sh:targetClass opda:EPCCertificate .

Severity tier

sh:Violation (Cat 1 — identity-key via prov:wasGeneratedBy)

Target

sh:targetClass opda:EPCCertificate; property prov:wasGeneratedBy

Validation behaviour

Every opda:EPCCertificate instance MUST carry at least one prov:wasGeneratedBy triple naming the DESNZ register activity (the EPC issuance / re-issuance).

Source ODR + ADR

opda:SearchIdentityKeyShape

opda:SearchIdentityKeyShape
    rdf:type sh:NodeShape ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0008/section-Q4a> ;
    sh:property _:b218dcfc815ed ;
    sh:targetClass opda:Search .

Severity tier

sh:Violation (Cat 1 — identity-key via prov:wasGeneratedBy)

Target

sh:targetClass opda:Search; property prov:wasGeneratedBy

Validation behaviour

Every opda:Search instance MUST carry at least one prov:wasGeneratedBy triple naming the local-authority issuance activity (CON29R / LLC1 / environmental search).

Source ODR + ADR

opda:SurveyIdentityKeyShape

opda:SurveyIdentityKeyShape
    rdf:type sh:NodeShape ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0008/section-Q4a> ;
    sh:property _:b218dcfc815ed ;
    sh:targetClass opda:Survey .

Severity tier

sh:Violation (Cat 1 — identity-key via prov:wasGeneratedBy)

Target

sh:targetClass opda:Survey; property prov:wasGeneratedBy

Validation behaviour

Every opda:Survey instance MUST carry at least one prov:wasGeneratedBy triple naming the professional issuance activity (RICS-regulated survey).

Source ODR + ADR

opda:ValuationIdentityKeyShape

opda:ValuationIdentityKeyShape
    rdf:type sh:NodeShape ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0008/section-Q4a> ;
    sh:property _:b218dcfc815ed ;
    sh:targetClass opda:Valuation .

Severity tier

sh:Violation (Cat 1 — identity-key via prov:wasGeneratedBy)

Target

sh:targetClass opda:Valuation; property prov:wasGeneratedBy

Validation behaviour

Every opda:Valuation instance MUST carry at least one prov:wasGeneratedBy triple naming the RICS-regulated valuation activity (or AVM model run).

Source ODR + ADR

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