PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The salt is discharged mainly from salt curing, pickling, and chrome tanning operation but mostly from curing stage.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciepub.com