PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the other hand, conventional methods can be used such as ion exchange, chemical oxidation and chemical precipitation for eradicating heavy metal ions from aqueous solution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciepub.com