PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PAHs are a family of compounds that are formed during the incomplete combustion of wood, coal, gas, garbage, or other organic materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • texas.gov