OPDA Knowledge base
Logical tier foundation

Diagnostic Exemplar

opda:DiagnosticExemplar

Diagnostic Exemplar

Summary

Informational endurant representing a named hard case — a minimal Turtle fragment exposing one IC-bearing surface as input to a Council session’s identity-criterion validation. [Substance Kind (informational); UFO Substance Kind]. Concept tier →

Attributes

This entity declares no module-local datatype properties; instances carry their hard-case content via inline Turtle (Property + Address + LegalEstate triples as appropriate). No identity-key shape is emitted at the Logical tier for this entity.

Relationships

No module-local object properties. Instances reference downstream Kinds (e.g. opda:Property, opda:LegalEstate) by direct typing as required by the hard case being exemplified.

Identity key

The exemplar’s name (URI fragment) identifies the hard case (e.g. #registered-freehold-house; #unregistered-house-pre-first-registration; #flat-with-split-uprn). No additional identity surfaces declared at this tier.

Constraints

No SHACL constraints emitted at this tier. Exemplars are validation inputs to Council sessions; they are not validated themselves.

Derived attributes

None.

ER diagram

%%{init: {"theme": "base", "themeVariables": {"primaryColor": "#E1BEE7", "primaryTextColor": "#4A148C", "primaryBorderColor": "#6A1B9A", "lineColor": "#37474F"}}}%% erDiagram accTitle: DiagnosticExemplar — Entity-Relationship Diagram accDescr: DiagnosticExemplar — named hard-case fragment exemplifying Property, LegalEstate, or Address IC surfaces for Council session validation. DiagnosticExemplar }o--o{ Property : "exemplifies" DiagnosticExemplar }o--o{ LegalEstate : "exemplifies" DiagnosticExemplar }o--o{ Address : "exemplifies"

Source ODR + ADR

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