About: http://webisa.webdatacommons.org/323189759

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	Their presence therefore is a primary criterion for recognizing that an impact event has occurred.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org