About: http://webisa.webdatacommons.org/54473395

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	There are several levels, but the the version linked below is a good one.
http://www.w3.org/ns/prov#wasQuotedFrom	marginalrevolution.com