<http://purl.obolibrary.org/obo/UO_0000002> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> . <http://purl.obolibrary.org/obo/UO_0000002> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000000> . <http://purl.obolibrary.org/obo/UO_0000002> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_0000002> <http://data.bioontology.org/metadata/def/mappingLoom> "massunit" . <http://purl.obolibrary.org/obo/UO_0000002> <http://data.bioontology.org/metadata/def/prefLabel> "mass unit" . <http://purl.obolibrary.org/obo/UO_0000002> <http://www.w3.org/2000/01/rdf-schema#comment> "\"A unit which is a standard measure of the amount of matter/energy of a physical object.\" [Wikipedia:Wikipedia]" . <http://purl.obolibrary.org/obo/UO_0000002> <http://www.w3.org/2000/01/rdf-schema#label> "mass unit" . <http://purl.obolibrary.org/obo/UO_1000221> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010031> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_0010009> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010036> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010034> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010035> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_0000002> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010033> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010038> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010037> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1010032> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_0000055> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> . <http://purl.obolibrary.org/obo/UO_1000021> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/UO_0000002> .