PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Both may be of the same frequency. a ??? ??? ??? On some days, air nearest the ground is colder than air that is higher up.
http://www.w3.org/ns/prov#wasQuotedFrom
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