About: http://webisa.webdatacommons.org/163499012

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	And, via Dan Miller in comment #2, here is a link you may find interesting.
http://www.w3.org/ns/prov#wasQuotedFrom	blogcritics.org