About: proprietary online service

Premodifier: proprietary online
Head noun: service

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
america online	isap:442995952	0.851207
prodigy	isap:438532594	0.578538
aol	isap:232584427	0.479108
compuserve	isap:217081481	0.385761
network	isap:433873914	0.302003