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Weiwei Pan

6 accepted papers

2025

Position: Rethinking LLM Bias Probing Using Lessons from the Social Sciences

ICML 2025spotlight

The proliferation of LLM bias probes introduces three challenges: we lack (1) principled criteria for selecting appropriate probes, (2) a system for reconciling conflicting results across probes, and (3) formal frameworks for reasoning about when and why experimental findings will generalize to real…

Cited by 0SourcePDFScholar
2025

Transparent Trade-offs between Properties of Explanations

UAI 2025

When explaining machine learning models, it is important for explanations to have certain properties like faithfulness, robustness, smoothness, low complexity, etc. However, many properties are in tension with each other, making it challenging to achieve them simultaneously. For example, reducing th

2023

The Unintended Consequences of Discount Regularization: Improving Regularization in Certainty Equivalence Reinforcement Learning

ICML 2023poster

Discount regularization, using a shorter planning horizon when calculating the optimal policy, is a popular choice to restrict planning to a less complex set of policies when estimating an MDP from sparse or noisy data (Jiang et al., 2015). It is commonly understood that discount regularization func…

Cited by 5SourcePDFScholar
2022

Wide Mean-Field Bayesian Neural Networks Ignore the Data

AISTATS 2022poster

Bayesian neural networks (BNNs) combine the expressive power of deep learning with the advantages of Bayesian formalism. In recent years, the analysis of wide, deep BNNs has provided theoretical insight into their priors and posteriors. However, we have no analogous insight into their posteriors und…

2021

Efficient online inference for nonparametric mixture models

UAI 2021poster

Natural data are often well-described as belonging to latent clusters. When the number of clusters is unknown, Bayesian nonparametric (BNP) models can provide a flexible and powerful technique to model the data. However, algorithms for inference in nonparametric mixture models fail to meet two criti…

2018

Weighted Tensor Decomposition for Learning Latent Variables with Partial Data

AISTATS 2018poster

Tensor decomposition methods are popular tools for learning latent variables given only lowerorder moments of the data. However, the standard assumption is that we have sufficient data to estimate these moments to high accuracy. In this work, we consider the case in which certain dimensions of the d…

Cited by 0SourcePDFScholar