About: http://webisa.webdatacommons.org/432234513

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I mean, I am sure that most popular sites like Gmail and Hotmail and Yahoo must have some sort of CAPTCHA or similar to prevent bots from creating account after account.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com