About: http://webisa.webdatacommons.org/89756164

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	Mail.app on the other hand stores the emails in MailDir type setup where each email is an individual file, this scales much, much better.
http://www.w3.org/ns/prov#wasQuotedFrom	aimclearblog.com