About: http://webisa.webdatacommons.org/112589813

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	My best guess is that they have some sort of rolling GET or cookie token that needs to be correct for the session to stay alive.
http://www.w3.org/ns/prov#wasQuotedFrom	dreamincode.net