PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the character is a number or a dot or a '-' sign or a symbol denoting a function (like ~ for sine), concatenate it to a string.
http://www.w3.org/ns/prov#wasQuotedFrom
  • codeproject.com