PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In between materials like metals, which conduct electricity easily, and insulators such as rubber and glass which block electricity, a semiconductor could do both -- enabling it to act as an electrical switch.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pbs.org