About: http://webisa.webdatacommons.org/394345752

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	In other words, the server currently checks that content is in fact still available on said third device, and that said third device is on line, if not, the request is redirected to another, i.e. to said fourth device, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com