Search Results for author: Till Kletti

Found 2 papers, 1 papers with code

Pareto-Optimal Fairness-Utility Amortizations in Rankings with a DBN Exposure Model

no code implementations16 May 2022 Till Kletti, Jean-Michel Renders, Patrick Loiseau

We lay out the structure of a new geometrical object (the DBN-expohedron), and propose for it a Carath\'eodory decomposition algorithm of complexity $O(n^3)$, where $n$ is the number of documents to rank.

Fairness Open-Ended Question Answering

Introducing the Expohedron for Efficient Pareto-optimal Fairness-Utility Amortizations in Repeated Rankings

1 code implementation7 Feb 2022 Till Kletti, Jean-Michel Renders, Patrick Loiseau

Such a decomposition makes it possible to express any feasible target exposure as a distribution over at most $n$ rankings.

Fairness

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