3 papers
cs.DS2026
Simultaneous Blackwell Approachability and Applications to Multiclass Omniprediction
Lunjia Hu, Kevin Tian, Chutong Yang
Omniprediction is a learning problem that requires suboptimality bounds for each of a family of losses against a family of comparator predictors . We ini…
cs.LG2025
Efficient Swap Multicalibration of Elicitable Properties
Lunjia Hu, Haipeng Luo, Spandan Senapati +1
Multicalibration [HJKRR18] is an algorithmic fairness perspective that demands that the predictions of a predictor are correct conditional on themselves and membership in a collect…
cs.LG2024
Omnipredicting Single-Index Models with Multi-Index Models
Lunjia Hu, Kevin Tian, Chutong Yang
Recent work on supervised learning [GKR+22] defined the notion of omnipredictors, i.e., predictor functions over features that are simultaneously competitive for minimizing a f…