About: http://webisa.webdatacommons.org/35615430

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	Other angles could be used, including angles that deviate less from 90 such as 60 and 120 degrees, or angles that deviate more from 90 degrees such as 25 and 155 degrees.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca