PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Maple, of course, does not have a class system as found in some object oriented languages such as Smalltalk or C++.
http://www.w3.org/ns/prov#wasQuotedFrom
  • maplesoft.com