About: free source

Premodifier: free
Head noun: source

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

Broader concepts

label	provenance	confidence
link	isap:498662440	0.612450
search engine	isap:394311351	0.402218

Narrower concepts

label	provenance	confidence
project gutenberg	isap:133972608	0.738597
public library	isap:271093709	0.574885
wind	isap:301239101	0.515811
google	isap:396270381	0.449691
wikipedia	isap:137694131	0.416323
youtube	isap:274947268	0.333442
internet	isap:478321521	0.303782
phpbb	isap:161642357	0.282193
library	isap:271093638	0.242529