Ontology for Geography Markup Language (GML3.0)	Mass Spectrometry Ontology	Source
http://loki.cae.drexel.edu/~wbs/ontology/2004/09/ogc-gml#Boolean	http://www.w3.org/2001/XMLSchema#boolean	LOOM
http://loki.cae.drexel.edu/~wbs/ontology/2004/09/ogc-gml#BaseUnit	http://purl.obolibrary.org/obo/UO_0000045	LOOM