About: outer continental shelf

Premodifier: outer continental
Head noun: shelf

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

Broader concepts

label	provenance	confidence
off-limits area	isap:199756683	0.758092
company	isap:222613140	0.575927
gas on federal land	isap:324106048	0.515868
area	isap:199756672	0.378612
development	isap:206297617	0.355265
oil	isap:324123978	0.264833
energy	isap:154049307	0.239514

Narrower concepts

label	provenance	confidence
oil	isap:469383491	0.481568
gulf of mexico	isap:92475932	0.345260