PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Snow is an effective insulator, so that, after temperature changes rapidly, there is a temperature gradient between the surface to the closeoff depth for about 100 years, the length of time required for the new temperature to penetrate to the closeoff depth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • princeton.edu