PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Phosphate can enter your aquarium or pond through tap water, fish waste, and decaying organics such as uneaten food and dead algae.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newenglandkoi.com