About: http://webisa.webdatacommons.org/281115011

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 headers for the root body part contain information such as the subject of the message, the sender and recipient information, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com