PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The main drawback concerning water bowls is the fact that oxygen levels are low (nitrifying bacteria require a high oxygen environment) and the bacteria used in products other than Cycle take 3-4 days to activate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thatpetplace.com