An ontology for experimental actions	Sequence Types and Features Ontology	Source
http://purl.obolibrary.org/obo/SO_0000046	http://www.owl-ontologies.com/Ontology1184060740.owl#Insert	LOOM
http://purl.obolibrary.org/obo/SO_0000047	http://www.owl-ontologies.com/Ontology1184060740.owl#Invert	LOOM