PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Rare earths are chemical elements found in the earth???s crust that are vital to many modern technologies, including electronics such as speakers, computers, hybrid cars and wind turbines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nuclear-news.net