On Theoretically Optimal Ranking Functions in Bipartite Ranking

  title={On Theoretically Optimal Ranking Functions in Bipartite Ranking},
  author={Kazuki Uematsu and Yoonkyung Lee},
This paper investigates the theoretical relation between loss criteria and the optimal ranking functions driven by the criteria in bipartite ranking. In particular, the relation between AUC maximization and minimization of ranking risk under a convex loss is examined. We characterize general conditions for ranking-calibrated loss functions in a pairwise approach, and show that the best ranking functions under convex ranking-calibrated loss criteria produce the same ordering as the likelihood… CONTINUE READING


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