LinkML Common Metadata Elements and Terms	General Formal Ontology	Source
https://w3id.org/linkml-common/Event	http://www.onto-med.de/ontologies/gfo.owl#Event	LOOM
https://w3id.org/linkml-common/Entity	http://www.onto-med.de/ontologies/gfo.owl#Entity	LOOM
https://w3id.org/linkml-common/Concept	http://www.onto-med.de/ontologies/gfo.owl#Concept	LOOM
https://w3id.org/linkml-common/Role	http://www.onto-med.de/ontologies/gfo.owl#Role	LOOM