PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ionizing radiation, including x-rays and ultraviolet light, produces molecules called ions that have either too many or too few electrons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • procon.org