PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Researchers are especially keen to examine abrupt climate changes in the past, especially the transition from the last ice age to the current warm period.
http://www.w3.org/ns/prov#wasQuotedFrom
  • icecores.org