About: http://webisa.webdatacommons.org/196724394

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 surface is a wall, and is accurate at points of maximal surface tangential
http://www.w3.org/ns/prov#wasQuotedFrom	mblwhoilibrary.org