About: http://webisa.webdatacommons.org/241612552

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	So what we don???t have today is a comparison of a particular year, say, 1980 with 2009.
http://www.w3.org/ns/prov#wasQuotedFrom	pewforum.org