@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://opda.org.uk/pdtf/dateOfBirth> a owl:DatatypeProperty ;
    rdfs:label "date of birth" ;
    skos:definition "The calendar date on which a Person was born — one component of the Person's multi-identifier identity criterion and an item of personal data." ;
    rdfs:comment "Date of birth of a Person participant. xsd:date. Flat per §Q6a. Part of the Person multi-identifier IC (ODR-0006 §Q1); PII under ODR-0018 (DPV co-annotation in opda-annotations.ttl)." ;
    rdfs:domain <https://opda.org.uk/pdtf/Person> ;
    rdfs:range xsd:date ;
    dct:source <https://opda.org.uk/pdtf/harness/data-dictionary/participants%5B%5D.dateOfBirth> ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0018/section-3a> .

# one hop — immediate neighbours
<https://opda.org.uk/pdtf/Person> a owl:Class .