About: http://webisa.webdatacommons.org/228860115

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	At the end of the day, the purpose of a registration system is simply to be able to identify each user; so, the only requirements are a unique identifier, such as a user name or email address, and a password.
http://www.w3.org/ns/prov#wasQuotedFrom	smashingmagazine.com