PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Somewhat unrelated to the main question: Do you have emails or other written material verifying your claims that the professor indeed initially was not interested in the problem, or otherwise would indicate that he might have given up on his claim to authorship?
http://www.w3.org/ns/prov#wasQuotedFrom
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