About: http://webisa.webdatacommons.org/33246014

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	actually, i think the epicenter of this shift is something like southeast england-the netherlands-former austrasia, and that it did spread out from there, especially eastwards across europe with the german ostsiedlung.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com