About: http://webisa.webdatacommons.org/448672354

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	HTTP is a stateless protocol, so you can not tell when a user has closed their browser or they are simply sitting there with an open browser window doing nothing.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com