About: petroleum refinery

Premodifier: petroleum
Head noun: refinery

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

Broader concepts

label	provenance	confidence
heavy industrial facility	isap:59306669	0.796799
industry	isap:60639995	0.792191
large industrial source	isap:481233082	0.767830
industrial source	isap:481233060	0.755511
industrial facility	isap:59306655	0.753274
chemical plant	isap:361307971	0.736498
large facility	isap:59306661	0.706019
industrial process plant	isap:361307966	0.687057
facility	isap:59306650	0.682981
industrial activity	isap:62490596	0.680612
source	isap:481233054	0.394562

Narrower concepts

label	provenance	confidence