About: http://webisa.webdatacommons.org/247463354

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	But by all means detail the start and duration of the Medieval optimum and why the climate was a benefit rather than political/technical changes- and for whom.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com