PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fire clay, oil or, preferentially, a salt or salt mixture can be used which, in the range of the operating temperature of the storage cell, is subject to a phase change such as melting or solidification.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com