About: http://webisa.webdatacommons.org/227459047

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	It is true however that there is in reality no such thing as a closed system, so any such notion is only approximate.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com