PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A fact is a single atomic unit of knowledge, a theory is an overarching explanation for a general question that invokes many facts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org