About: http://webisa.webdatacommons.org/108230377

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	For example, the cross section can be oval, flat, non-flat, rectangular, such as square, trapezoidal and low order polygonal, i.e., 3-6-sided polygons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com