PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It involves spraying into the upper atmosphere a ??????very fine, white-talcum-like aerosol of aluminum oxide, barium oxide and other oxides?????? to reduce global warming.
http://www.w3.org/ns/prov#wasQuotedFrom
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