About: http://webisa.webdatacommons.org/28968941

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	Yeah, they seem to be missing the boat on the sort of functionality we REALLY want (and the price is too far out of line from other more general-purpose solutions like Dropbox).
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com