About: http://webisa.webdatacommons.org/449075151

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	§ Save documents, such as from email attachments, directly to Dropbox.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com