About: http://webisa.webdatacommons.org/139518917

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	Upon a client's first visit to a web server, an identifier record is generated comprising data such as a user ID, a client device ID, an age (e.g., a counter), a cookie type, an authentication field, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org