PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On one occasion it was possible to distinguish between the two types of sources, observing two plumes with different SO2 and NO2 emission rates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov