About: http://webisa.webdatacommons.org/224290618

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	The following is an example of a typical email message having such a signature line:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com