About: http://webisa.webdatacommons.org/377538382

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	Conversely, an electronic mail system may use a single file to store many types of data including operational data, the user's electronic mail messages and address book, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com