PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some of these methods are new, such as the ability to look at nullclines and related regions of flow for an autonomous system in the plane, and the use of curvy fish shapes to illustrate a direction field.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wolfram.com