PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are a lot of ways to describe, discuss and learn about a topic, including theory, case analysis, empirical evidence and anecdote.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econtalk.org