PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although Ehrlich???s research was a highly technical article prepared for an audience of economists, its influence went well beyond the economics profession ??? Over the next two decades, economists and other social scientists attempted (mostly without success) to replicate Ehrlich's results using different data, alternative statistical methods, and other twists that tried to address glaring error
http://www.w3.org/ns/prov#wasQuotedFrom
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