Alexandre Perez-Lebel
4 papers · 2023–2025 · 4 venues · across top CS/AI venues
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Achievements
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🌍
Conference Polyglot · Bronze
🌉
Interdisciplinary Bridge · Bronze
Venues
Top co-authors
Research topics
Keywords
grouping loss
(3)
confidence calibration
(1)
distribution shift
(1)
excess risk
(1)
expected utility
(1)
probability calibration
(1)
posterior probability
(1)
hallucination detection
(1)
scoring rule
(1)
calibration loss
(1)
confidence score
(1)
hierarchical classifier
(1)
group bia
(1)
fairness in language model
(1)
hierarchical ‘hf₋ scores
(1)
optimal decision rule
(1)
post-hoc decoding
(1)
probabilistic hierarchical classifiers
(1)
binary classification
(1)
underdetermined scenarios
(1)
Papers
Decision from Suboptimal Classifiers: Excess Risk Pre- and Post-Calibration
AISTATS 2025
To Each Metric Its Decoding: Post-Hoc Optimal Decision Rules of Probabilistic Hierarchical Classifiers
ICML 2025
Reconfidencing LLMs from the Grouping Loss Perspective
EMNLP 2024
Beyond calibration: estimating the grouping loss of modern neural networks
ICLR 2023