PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • jecture is one of the seven Millennium Prize Problems. ??? ???Poincare conjecture - Definition???, A conjecture is a proposition that is unproven but appears correct and has not been disproven.
http://www.w3.org/ns/prov#wasQuotedFrom
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