PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the two angles are the same we get the sines and cosines of double the angle.In fact, it corresponds to the graph of a function called the hyperbolic cosine.I can remember roughly how to differentiate a standard xy formula but sines, cosines and tangents are a mystery.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oxforddictionaries.com