PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A couple of problems here: One, Earth???s north-polar region is an ocean so the proper reference is to ???sea ice??? and not an ???ice cap??? which usually relates to Greenland and Antarctica.
http://www.w3.org/ns/prov#wasQuotedFrom
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