PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But when construction is completed, it also will be the filtration system for a backyard swimming pool that will use plants, gravel and mechanical filters instead of chlorine or other chemicals to clean the water.
http://www.w3.org/ns/prov#wasQuotedFrom
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