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 Performance Analysis


Credal Deep Ensembles for Uncertainty Quantification

Neural Information Processing Systems

This paper presents an innovative approach to classification tasks called Credal Deep Ensembles (CreDEs), ensembles of novel Credal-Set Neural Networks (CreNets), aiming to improve EU quantification in the framework of credal inference.






An Accelerated Algorithm for Stochastic Bilevel Optimization under Unbounded Smoothness

Neural Information Processing Systems

However, it remains unclear if we can further improve the convergence rate when the assumptions for the function in the population level also hold for each random realization almost surely (e.g., Lipschitzness of each realization of the stochastic gradient).



RobustFine-tuningofZero-shotModelsviaVariance Reduction

Neural Information Processing Systems

WhenoptimizedforOOD accuracy, the ensemble model exhibits a noticeable decline in ID accuracy, and vice versa. In contrast, we propose a sample-wise ensembling technique that can simultaneously attain the best ID and OOD accuracywithout the trade-offs.


Testing Semantic Importance via Betting

Neural Information Processing Systems

Providing guarantees on the decision-making processes of autonomous systems, often based on complex black-box machine learning models, is paramount for their safe deployment. This need motivates efforts towards responsible artificial intelligence, which broadly entails questions of reliability, robustness, fairness, and interpretability.