About: http://webisa.webdatacommons.org/236642208

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	Each region is also color coded.What you???ll see as we move forward through the last two centuries is a gradual shift toward the upper left, which turns into a rush after about 1950.
http://www.w3.org/ns/prov#wasQuotedFrom	acton.org