About: x 2

Head noun: x
Postmodifier: 2

Same concepts
http://dbpedia.org/resource/X2

Broader concepts

label	provenance	confidence
number	isap:53995681	0.246224
factor	isap:54445752	0.192078

Narrower concepts

label	provenance	confidence
design	isap:471431988	0.222555
study	isap:52823211	0.216250
experiment	isap:41132301	0.195834