About: bill collector

Premodifier: bill
Head noun: collector

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

Broader concepts

label	provenance	confidence
thing	isap:14520524	0.463541
problem	isap:28737297	0.441593
friend	isap:137474585	0.313750

Narrower concepts

label	provenance	confidence
caller	isap:425213429	0.277660
door	isap:287904079	0.264711
phone	isap:339679243	0.108727
call	isap:287162846	0.058008