PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unconventional superconductors include materials, such as copper oxides and iron pnictides, whose physical properties cannot be fully explained by established theories.
http://www.w3.org/ns/prov#wasQuotedFrom
  • brocku.ca