About: http://webisa.webdatacommons.org/125959005

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	ses toward the center thereof, where R is a value obtained by dividing the number N by the sum of the reciprocals of the radii Rj (1???j???N) of the individual hollow hemispheres.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com