About: http://webisa.webdatacommons.org/157402675

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	Attachments are stored offline in Mail, and this folder is a duplicate location when the user decides to open the attachment...
http://www.w3.org/ns/prov#wasQuotedFrom	macworld.com