About: http://webisa.webdatacommons.org/139538047

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	As you say, the prior populations provide some variation, especially at the periphery of expansions (Latvia, South India, Java, Japan, Siberia).
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com