About: public switched telephone network

Premodifier: public switched telephone
Head noun: network

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

Broader concepts

label	provenance	confidence
various external network	isap:437297564	0.863245
public network	isap:437297491	0.839857
external network	isap:437296777	0.831279
communication network	isap:437296622	0.829244
voice network	isap:437298278	0.804367
communication medium	isap:267177972	0.800683
public telephone network	isap:437299228	0.793617
telecommunications network	isap:437296882	0.776868
other network	isap:437296793	0.741417
network	isap:437296631	0.700342
type of network	isap:70431860	0.676559
fix network	isap:437297158	0.631862
technology	isap:245426312	0.622376
datum	isap:33385375	0.520932
course	isap:275091023	0.232771
type	isap:70431804	0.072689

Narrower concepts

label	provenance	confidence