PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Beryllium is a relatively rare metal whose unique combination of strength and lightness makes it invaluable for various industrial uses, ranging from triggers for nuclear bombs to satellite components, computers and cell phones.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com