PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If either a or b is a NaN, both (a < b) and (a >= b) are false, so !(a < b) is true.
http://www.w3.org/ns/prov#wasQuotedFrom
  • c2.com