About: http://webisa.webdatacommons.org/85690397

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	These have been scientifically proven and the techniques used extensively after the First World War especially in the United States and Europe.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com