About: coal bed methane

Premodifier: coal bed
Head noun: methane

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

Broader concepts

label	provenance	confidence
unconventional resource	isap:44959291	0.757859
gas resource	isap:44959300	0.716548
unconventional gas	isap:509575736	0.674006
shale gas	isap:509575787	0.480075
gas	isap:509575613	0.350968
oil	isap:509518930	0.343435
hydrocarbon	isap:66441217	0.334590

Narrower concepts

label	provenance	confidence
risk	isap:10161526	0.256901