About: http://webisa.webdatacommons.org/200838361

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	When the rear edge 1 a is not straight, the reference for measuring is the point of the rear edge 1 a at the intersection with the water surface and the median vertical plane of the vessel of which the hull is a part.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com