PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Magnetism plays a key role in much of condensed-matter physics, with metals such as iron and cobalt displaying permanent magnetism, or ferromagnetism, because the magnetic spins of their constituent electrons naturally align with one another.
http://www.w3.org/ns/prov#wasQuotedFrom
  • physicsworld.com