About: http://webisa.webdatacommons.org/428018564

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	Creating e-mail messages, including adding attachments or signatures, is the function of a mail user agent (MUA).
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com