About: http://webisa.webdatacommons.org/180234198

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	Exchange the passphrase by phone, SMS, email or other mechanism, then you can pass the data anyway you like - Dropbox or email or whatever, and all the other party has to do is use the passphrase to access your documents.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com