Nature.com subject ontology	Semantic Types Ontology	Source
http://scigraph.springernature.com/things/subjects/language	http://purl.bioontology.org/ontology/STY/T171	LOOM
http://scigraph.springernature.com/things/subjects/eukaryote	http://purl.bioontology.org/ontology/STY/T204	LOOM