About: copyleft license

Premodifier: copyleft
Head noun: license

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
gnu general public license	isap:429639115	0.754134
gpl	isap:233264514	0.322889
cddl	isap:10061899	0.281375
lgpl	isap:4540785	0.257294