PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Steven Chu, President-elect Barack Obama???s pick to be U.S. energy secretary, said Tuesday that he will tackle the threat of global warming by seeking a cap-and-trade system to cut greenhouse gas emissions, which would require power plants, oil refineries and other industrial facilities to buy and sell pollution permits to spew global warming emissions.
http://www.w3.org/ns/prov#wasQuotedFrom
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