@prefix dct: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sio: <http://semanticscience.org/resource/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

sio:hasBoundary a owl:ObjectProperty ;
    rdfs:label "has boundary"@en ;
    dct:description "has boundary is a mereological relation between a whole and boundary located at its periphery."@en ;
    rdfs:isDefinedBy <http://semanticscience.org/ontology/sio/v1.53/sio-subset-labels.owl> ;
    rdfs:subPropertyOf sio:hasProperPart ;
    owl:inverseOf sio:isBoundaryOf ;
    skos:example "the surface of an apple is a 2D boundary of the apple."@en .