PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • > This example highlights the difference between treating the unknown y as a constant and treating it as an independent variable; by default, the code assumes that y is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • maplesoft.com