PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Changing up to 15% of the water weekly on a weekly basis will sustain the quality of the water at a level which is conductive to the well-being of fish, corals and other invertebrates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • saltycritter.com