PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Operating variables, such as backwashing frequency and duration, degree of fluidization, backwash source water (chlorinated or nonchlorinated), degree to which air scour is used and monitored, and approac
http://www.w3.org/ns/prov#wasQuotedFrom
  • redorbit.com