About: http://webisa.webdatacommons.org/407032504

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	The only browser I know of that has a working solution is Opera, but even that mechanism is a bit awkward. (It does, however, provide a list of available accesskeys on a page, which solves one of the other big issues).
http://www.w3.org/ns/prov#wasQuotedFrom	green-beast.com