About: http://webisa.webdatacommons.org/201179374

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 Mail app (and possibly other apps) would have access to this sharing area, allowing it to add any such documents as an attachment.
http://www.w3.org/ns/prov#wasQuotedFrom	macobserver.com