About: http://webisa.webdatacommons.org/263036879

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	Find a post of his and I am almost sure there is a link in his sig that will lead you to the right place.
http://www.w3.org/ns/prov#wasQuotedFrom	cartographersguild.com