About: http://webisa.webdatacommons.org/199453847

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	However, this is not presently possible in conventional e-mail systems, in which users can represent themselves in any manner and, generally, there is a lack of trusted/authoritative e-mail connections between e-mail servers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com