About: bulletin board system

Premodifier: bulletin board
Head noun: system

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

Broader concepts

label	provenance	confidence
server	isap:388677691	0.498407

Narrower concepts

label	provenance	confidence
usenet	isap:395686177	0.393811
phpbb	isap:154588330	0.356619