About: http://webisa.webdatacommons.org/352719281

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	Map.Associate(std::string name, Derived*&), where Map is a class containing the mentioned std::map but I guess this is related to the title of the post (Is Derived*& -> Base*& moral?).
http://www.w3.org/ns/prov#wasQuotedFrom	thecodingforums.com