PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But actually, physics is the simplest of all the sciences; it only seems difficult because physicists talk to each other in a language that most people do not understand--the language of mathematics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lbl.gov