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A Collection of Definitions of Intelligence︎︎︎
Shane Legg, Marcus Hutter, 2007



This paper is a survey of a large number of informal definitions of “intelligence” that the authors have collected over the years. Naturally, compiling a complete list would be impossible as many definitions of intelligence are buried deep inside articles and books. Nevertheless, the 70-odd definitions presented here are, to the authors’ knowledge, the largest and most well referenced collection there is.