PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Again, onions are a low acid food, safe preservation requires pressure canning and a safe recipe from a qualified source such as a university or government agency.
http://www.w3.org/ns/prov#wasQuotedFrom
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