gtfs:is_child leaf node

@prefix gtfs: <http://ontology.gtfs.org/reference#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

gtfs:is_child a rdf:Property ;
    rdfs:label "is_child"@en,
        "es_nino"@es,
        "eh_crianca"@pt ;
    rdfs:comment "Indicates if the rider category represents a child."@en,
        "Indica si la categoría de pasajero representa a un niño."@es,
        "Indica se a categoria de passageiro representa uma criança."@pt ;
    rdfs:domain gtfs:RiderCategory ;
    rdfs:range xsd:integer .