PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Narayana's other major works contain a variety of mathematical developments, including a rule to calculate approximate values of square roots, using the second order indeterminate equation Nx2 + 1 = y2 (Pell's equation).
http://www.w3.org/ns/prov#wasQuotedFrom
  • st-and.ac.uk