PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • wherein, M is any one of H, Li, Na and K, X is any one of OH and F, and x is a positive number of less than 2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com