@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix obo_purl: <http://purl.obolibrary.org/obo/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
obo_purl:part_of
a owl:NamedIndividual ;
rdfs:label "part of" .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix obo_purl: <http://purl.obolibrary.org/obo/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
obo_purl:part_of
a owl:NamedIndividual ;
rdfs:label "part of" .