About: http://webisa.webdatacommons.org/2114586

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	For example, if the UID is appended in the HTTP Headers, the extraction process is similar to determining the operating system, screen size and other information which is part of the HTTP Header set.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com