About: http://webisa.webdatacommons.org/437503378

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	Or,you may also use outlook or other MUA to receive letter,which seems more convenient and advanced,is not that?
http://www.w3.org/ns/prov#wasQuotedFrom	doxer.org