PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition, I have studied the radio continuum, optical, e.g., Ca II H and K, and ultraviolet emission from a wide variety of different types of stars.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov