About: oil extraction

Premodifier: oil
Head noun: extraction

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

Broader concepts

label	provenance	confidence
downstream activity	isap:283179794	0.746799
high tech industry	isap:283527307	0.632012
activity	isap:283179793	0.392076
purpose	isap:217426556	0.385402
application	isap:315601705	0.268159

Narrower concepts

label	provenance	confidence
wastewater from fracking	isap:399528102	0.269305
fracking	isap:180920237	0.209000