PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The complaint says the beleaguered energy giant's poor operating and maintaince practices" caused an April 6 fire that led to the release of 500,000 pounds of pollutants there ??? including carcinogens such as benzene, sulfur dioxide and hydrogen sulfide ??? for a 40-day period, according to records at the Texas Commission on Environmental Quality.
http://www.w3.org/ns/prov#wasQuotedFrom
  • texastribune.org