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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Where Value is a container for an int, double, std::string or std::vector<char> (because the returned type is not yet known at compile-time).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com