activity
20242026
most citedPersonalized Language Modeling from Personalized Human Feedback

5 citations · 6 across the 9 of their papers we have counts for

collaborators

9 papers

cs.LG2026

Causal Ensemble Agent: Hierarchical Causal Discovery with LLM-guided Expert Reweighting

Xinyu Li, Yuanyuan Wang, Haoxuan Li +7

Causal discovery aims to uncover causal structures from observational data, which is crucial for real-world decision-making. However, different causal discovery algorithms can prod…

cs.MM2026

SRA: Semantic Relation-Aware Flowchart Question Answering

Xinyu Li, Bowei Zou, Yuchong Chen +2

Flowchart Question Answering (FlowchartQA) is a multi-modal task that automatically answers questions conditioned on graphic flowcharts. Current studies convert flowcharts into int…

cs.CL2025

ESI: Epistemic Uncertainty Quantification via Semantic-preserving Intervention for Large Language Models

Mingda Li, Xinyu Li, Weinan Zhang +1

Uncertainty Quantification (UQ) is a promising approach to improve model reliability, yet quantifying the uncertainty of Large Language Models (LLMs) is non-trivial. In this work,…

cs.LG2025

POT: Inducing Overthinking in LLMs via Black-Box Iterative Optimization

Xinyu Li, Tianjin Huang, Ronghui Mu +2

Recent advances in Chain-of-Thought (CoT) prompting have substantially enhanced the reasoning capabilities of large language models (LLMs), enabling sophisticated problem-solving t…

cs.CL2025

Breaking the Block: Preserving Data Continuity to Train Superior SAEs for Instruct Models

Jiaming Li, Haoran Ye, Yukun Chen +5

Sparse Autoencoders (SAEs) are a cornerstone of mechanistic interpretability. Existing training methods inherit the Block Training paradigm from LLM pre-training, which introduces…

cs.LG2025

TimeSeriesGym: A Scalable Benchmark for (Time Series) Machine Learning Engineering Agents

Yifu Cai, Xinyu Li, Mononito Goswami +3

We introduce TimeSeriesGym, a scalable benchmarking framework for evaluating Artificial Intelligence (AI) agents on time series machine learning engineering challenges. Existing be…

cs.CL2024★ 1 cited

Large Language Models for Automatic Detection of Sensitive Topics

Ruoyu Wen, Stephanie Elena Crowe, Kunal Gupta +6

Sensitive information detection is crucial in content moderation to maintain safe online communities. Assisting in this traditionally manual process could relieve human moderators…

cs.AI2024

Unraveling and Mitigating Retriever Inconsistencies in Retrieval-Augmented Large Language Models

Mingda Li, Xinyu Li, Yifan Chen +2

Although Retrieval-Augmented Large Language Models (RALMs) demonstrate their superiority in terms of factuality, they do not consistently outperform the original retrieval-free Lan…

cs.CL2024★ 5 cited

Personalized Language Modeling from Personalized Human Feedback

Xinyu Li, Ruiyang Zhou, Zachary C. Lipton +1

Personalized large language models (LLMs) are designed to tailor responses to individual user preferences. While Reinforcement Learning from Human Feedback (RLHF) is a commonly use…