About: http://webisa.webdatacommons.org/411570437

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	This sum is a mathematical series known as ???the geometrical series???, the sum of which is equal to:
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk