PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In these formulas, R is a hydrocarbon group, and a, b, c and d have relations of 0???a???3, 0???b???3, 2???a+b???3, 0???c???4, 0???d???4, and 3???c+d???4.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com