PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • what is worse is that the ash contains toxic elements such as arsenic, mercury, lead and selenium, but coal ash is still regulated as non-hazardous waste.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iptv.org