PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This fire is a clear demonstration of what causes most air pollution ??? the open-air combustion of complex carbon-bearing products such as coal, oil, grass, sugar cane, cow dung, trees, wood, paper, urban rubbish, plastic bags, rubber tyres or other organic material.
http://www.w3.org/ns/prov#wasQuotedFrom
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