@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#> .
@prefix metadata_def: <http://data.bioontology.org/metadata/def/> .

obo_purl:UO_0010038
    rdfs:subClassOf obo_purl:UO_1010038 .

obo_purl:UO_1010038
    metadata_def:mappingLoom "tonbasedunit" ;
    metadata_def:mappingSameURI obo_purl:UO_1010038 ;
    metadata_def:prefLabel "ton based unit" ;
    a owl:Class ;
    rdfs:label "ton based unit" ;
    rdfs:subClassOf obo_purl:UO_0000002 .