PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the laboratory, scientists have achieved temperatures very close to absolute zero, at which point molecular motion ceases and quantum effects such as superfluidity and superconductivity come into play.
http://www.w3.org/ns/prov#wasQuotedFrom
  • observertoday.com