About: pyramid scam

Premodifier: pyramid
Head noun: scam

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
network marketing	isap:150148220	0.501018
company	isap:77787176	0.280180
church	isap:490289616	0.273020