About: http://webisa.webdatacommons.org/217438636

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	To ensure the email address is in lower-case, we use strtolower($shout->email) in PHP. In Ruby, everything is an object and so we simply add .downcase to the end of a string or variable ??? shout.email.downcase.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com