About: origin server

Premodifier: origin
Head noun: server

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

Broader concepts

label	provenance	confidence
cache server	isap:395125691	0.786175
server	isap:395124139	0.521504
system	isap:385841910	0.488496
http 1.1 cache-capable device	isap:499351584	0.383836
cache	isap:118550686	0.347124
application	isap:453278186	0.305903
request	isap:449611056	0.173005

Narrower concepts

label	provenance	confidence