PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chemistry WebBook, National Institute of Standards and Technology (NIST) Find the chemical and physical properties on more than 30,000 mostly organic compounds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bpl.bc.ca