PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unfortunately controlled experiments are not always feasible for historical sciences such as Geology or Evolutionary Biology, or for sciences which study objects that cannot be easily affected by humans such as Astronomy or Seismology.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wall.org