PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In fact, there are a number of alternating cold and warm periods that have been well documented going back to the end of the last glacial period of the Pleistocene Ice Age some 13,000 years ago.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theresilientearth.com