PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The term agent describes a software abstraction, an idea, or a concept, similar to OOP terms such as methods, functions, and objects.[citation needed] The concept of an agent provides a convenient and powerful way to describe a complex software entity that is capable of acting with a certain degree of autonomy in order to accomplish tasks on behalf of its host.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org