Optimizing Group-Fair Plackett-Luce Ranking Models for Relevance and Ex-Post Fairness

1 code implementation • 25 Aug 2023 • Sruthi Gorantla, Eshaan Bhansali, Amit Deshpande, Anand Louis

Previous works have proposed efficient algorithms to train stochastic ranking models that achieve fairness of exposure to the groups ex-ante (or, in expectation), which may not guarantee representation fairness to the groups ex-post, that is, after realizing a ranking from the stochastic ranking model.

Fairness Learning-To-Rank