About: http://webisa.webdatacommons.org/57731205

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	Referring to this figure, L1 is an element indicating that the shape is that of the lower plane and L5 is that indicating that the shape is that of the upper plane.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com