PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Petrochemical spills form a thin, monomolecular film on the surface of water, stopping oxygen from penetrating and causing fish and other aquatic organisms to suffocate, WWF said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org