About: http://webisa.webdatacommons.org/173021369

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	I think the problem is that that there is a mix-up between perimeter and surface.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com