PLOS Thesaurus	LinkML Common Metadata Elements and Terms	Source
http://localhost/plosthes.2017-1#748	https://w3id.org/linkml-common/Equipment	LOOM
http://localhost/plosthes.2017-1#6937	https://w3id.org/linkml-common/Measurement	LOOM
http://localhost/plosthes.2017-1#1275	https://w3id.org/linkml-common/FossilFuelType#NATURAL_GAS	LOOM
http://localhost/plosthes.2017-1#898	https://w3id.org/linkml-common/FossilFuelType#PETROLEUM	LOOM
http://localhost/plosthes.2017-1#3361	https://w3id.org/linkml-common/ExtractiveIndustryProductType#COAL	LOOM
http://localhost/plosthes.2017-1#3361	https://w3id.org/linkml-common/FossilFuelType#COAL	LOOM