PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The point is, b and a in the Wikipedia conditional statement are the current best guess and the opposite point (where the function has different sign), while in GSL and Netlib codes, b is the best guess and a is the previous best guess, c being the opposite point.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com