PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The representation used is immutable. (There is no way to modify an XML tree data structure ``in place.'' In contrast to many XML APIs written in object oriented languages such as C++ or Java, which provide direct access to a DOM representation of XML instances, Maple's XML APIs present to the user the Document Value Model of an XML instance.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • maplesoft.com