About: http://webisa.webdatacommons.org/2846359

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	Exchange 2007, Exchange 2010, and Exchange 2013 do the conversion, so the user does not need anything other than a web browser to view the attachments.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com