About: http://webisa.webdatacommons.org/30587348

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	You can Google it and get all kinds of info., but in short, it is building on the visual memory strategy of location.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com