About: http://webisa.webdatacommons.org/200016412

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	Do the math and check it against all available evidence, even if the source is an author or an authority.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com