PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An H I region is a cloud in the interstellar medium composed of neutral atomic hydrogen (H I), in addition to the local abundance of helium and other elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org