PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the coker unit, waste oil is recycled into usable chemicals; the air in the unit is commonly contaminated with solvents and other potentially toxic chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ncd.gov