PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tailpipe emissions are the largest contributor to health costs from oil as particulate matter contributes ???nitrogen oxides, carbon monoxide, and sulfur dioxide??? to the atmosphere, all with documented adversities to health.
http://www.w3.org/ns/prov#wasQuotedFrom
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