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Minrui Xu

2 accepted papers

2025

ScaleBiO: Scalable Bilevel Optimization for LLM Data Reweighting

ACL 2025long

Bilevel optimization has shown its utility across various machine learning settings, yet most algorithms in practice require second-order information, making it challenging to scale them up. Only recently, a paradigm of first-order algorithms has emerged in the theoretical literature, capable of eff…

2024

FIRST: Teach A Reliable Large Language Model Through Efficient Trustworthy Distillation

EMNLP 2024main

Large language models (LLMs) have become increasingly prevalent in our daily lives, leading to an expectation for LLMs to be trustworthy —- both accurate and well-calibrated (the prediction confidence should align with its ground truth correctness likelihood). Nowadays, fine-tuning has become the mo…