About: http://webisa.webdatacommons.org/398799722

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	Smith uses first differences, however he has made idiosyncratic changes to the method, especially in cases where there are temporal lacuna in the data.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com