About: np-hard problem

Premodifier: np-hard
Head noun: problem

Same concepts
http://dbpedia.org/resource/NP-hardness

Broader concepts

label	provenance	confidence
problem	isap:438173541	0.643563

Narrower concepts

label	provenance	confidence
salesman problem	isap:438174881	0.528051
bin packing	isap:433393211	0.436329
scheduling	isap:220182774	0.282785
problem	isap:438173862	0.263421