About: http://webisa.webdatacommons.org/257077988

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 this example, known is a known value, that has been pre-embedded into a buffer, I.e.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com