@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/RoleMixin> a owl:Class ;
    rdfs:label "Role Mixin" ;
    skos:definition "An anti-rigid, cross-sortal role universal whose instances may be borne by entities from more than one substantial Kind, contrasted with a Role that commits to a single Kind." ;
    rdfs:comment "UFO RoleMixin — anti-rigid, cross-sortal role pattern. An instance of a RoleMixin is borne by a bearer drawn from more than one substantial Kind (e.g. Seller may be borne by Person OR Organisation). Distinguished from `opda:Role` (which is sortal — borne by a single Kind). Per ODR-0006 §Q2 Role layer." ;
    skos:scopeNote "UFO: RoleMixin (Guizzardi 2005 Ch. 4 §4.4 — anti-rigid, externally founded, cross-sortal). DOLCE: Role qua Universal without sortal commitment (Masolo et al. 2003 D18 §4.5)." ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0006/section-Q2> .

# one hop — immediate neighbours
<https://opda.org.uk/pdtf/playedBy> rdfs:label "played by" .
<https://opda.org.uk/pdtf/roleNotation> rdfs:label "role notation" .