About: http://webisa.webdatacommons.org/437447141

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	''.times..+-..times..times..pi..times. ##EQU00011## where n is an integer and y'' is the second derivative of y with respect to x.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com