PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I think (intuitively) that questions are more important than answers e.g. if the question is wrong, the answer will be meaningless. (I am sure we all here can name at least one famous numerical answer).
http://www.w3.org/ns/prov#wasQuotedFrom
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