About: fossil source

Premodifier: fossil
Head noun: source

Same concepts
http://dbpedia.org/resource/Fossil_fuel

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
natural gas	isap:212652631	0.877752
crude oil	isap:209492615	0.718315
petroleum	isap:137340175	0.443676
coal	isap:308986887	0.386637