About: wave 2

Head noun: wave
Postmodifier: 2

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

Broader concepts

label	provenance	confidence
wave 4	isap:168382198	0.389245
sharp correction	isap:189257478	0.335549
wave	isap:168382301	0.277223
zigzag	isap:306916072	0.249365

Narrower concepts

label	provenance	confidence