PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is unlikely that sufficiently detailed plant-specific emission information will ever be available, and if it was, it would still be difficult to reconstruct past exposures, given the lack of knowledge of such factors as past weather patterns or people's activity patterns.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cdc.gov