OWLClass uo0 = Class(IRI("http://purl.obolibrary.org/obo/UO_0000000"));
OWLClass uo1 = Class(IRI("http://purl.obolibrary.org/obo/UO_0000001"));
OWLAnnotationProperty id = AnnotationProperty(IRI("http://www.geneontology.org/formats/oboInOwl#id"));
OWLAnnotationProperty abnormalSlim = AnnotationProperty(IRI("http://purl.obolibrary.org/obo/uo#abnormal_slim"));
OWLAnnotationProperty scalarSlim = AnnotationProperty(IRI("http://purl.obolibrary.org/obo/uo#scalar_slim"));
OWLLiteral literal = Literal("Wikipedia:Wikipedia", XSD_STRING);
OWLAnnotationProperty unitSlim = AnnotationProperty(IRI("http://purl.obolibrary.org/obo/uo#unit_slim"));
OWLAnnotationProperty absentSlim = AnnotationProperty(IRI("http://purl.obolibrary.org/obo/uo#absent_slim"));
OWLObjectProperty isUnitOf = ObjectProperty(IRI("http://purl.obolibrary.org/obo/uo#is_unit_of"));
OWLAnnotationProperty cellQuality = AnnotationProperty(IRI("http://purl.obolibrary.org/obo/uo#cell_quality"));
OWLAnnotationProperty unitGroupSlim = AnnotationProperty(IRI("http://purl.obolibrary.org/obo/uo#unit_group_slim"));