About: package management system

Premodifier: package management
Head noun: system

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

Broader concepts

label	provenance	confidence
linux distribution	isap:69922243	0.701129
debian	isap:391345454	0.186789

Narrower concepts

label	provenance	confidence
rpm	isap:211323986	0.527313
apt	isap:214730022	0.484290
apt-get	isap:272961220	0.448275
yum	isap:210907567	0.341894
ipkg	isap:311647908	0.294885
portage	isap:272719859	0.272419