PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An examples of phosphate is a salt of orthophosphoric acid, and examples of a polyphosphate are salts of a polyphosphoric acid such as triphosphoric acid, trimetaphosphoric acid, tetrametaphosphoric acid, metaphosphoric acid, and pyrophosphric
http://www.w3.org/ns/prov#wasQuotedFrom
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