About: pay wall

Premodifier: pay
Head noun: wall

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

Broader concepts

label	provenance	confidence
barrier	isap:9494742	0.431323
discussion	isap:191541755	0.364155
content	isap:5593949	0.310595
alternative	isap:418844967	0.309904
article	isap:8238088	0.256159

Narrower concepts

label	provenance	confidence
washington post	isap:172499995	0.589205