About: bulk purchasing

Premodifier: bulk
Head noun: purchasing

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

Broader concepts

label	provenance	confidence
option	isap:255347278	0.605113
effort	isap:256153014	0.550684
measure	isap:218226712	0.497414

Narrower concepts

label	provenance	confidence