About: public telephone network

Premodifier: public telephone
Head noun: network

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

Broader concepts

label	provenance	confidence
network	isap:437296885	0.865177
communication network	isap:437297330	0.820046
many network	isap:437299041	0.801430
telephone network	isap:437297269	0.791981
telecommunications network	isap:437298367	0.751366
radio channel	isap:431752723	0.708508
device	isap:268191920	0.584423
example	isap:432034843	0.445144
voice	isap:36401447	0.282760

Narrower concepts

label	provenance	confidence
public switched telephone network	isap:437299228	0.793617
isdn	isap:9153734	0.317114
pstn	isap:9167392	0.289827