About: ubuntu 11.04

Head noun: ubuntu
Postmodifier: 11.04

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

Broader concepts

label	provenance	confidence
linux distribution	isap:68789698	0.535680
step	isap:490407689	0.283191
option	isap:388306841	0.278251
issue	isap:113021332	0.237209

Narrower concepts

label	provenance	confidence