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The calculation proposed in this paper, measures neighborhood between several texts. It leads to a normalized metric and a distance scale which can be used for authorship attribution. An experiment is presented on one of the famous cases in French literature : Corneille and Molire. The calculation clearly makes the difference between the two works but it also demonstrates that Corneille contributed to many of Moliere's masterpieces.
Labbé et al. (Sat,) studied this question.