PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This can be accomplished by additives, such as sodium bicarbonate, to raise pH.[32] Some aquarists will filter or purify their water prior to adding it to their aquarium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com