collaborators

15 papers

cs.LG2026

Federated Foundation Models Fine-Tuning with Heterogeneous Compressed Clients

Shengkun Zhu, Jinshan Zeng, Zhihua Allen-Zhao +5

Federated learning of foundation models faces a fundamental resource-asymmetry challenge: the institutions holding the most valuable domain-specific data cannot host billion-parame…

cs.AI2026

Evolving from Lessons: Skill-Augmented Table Graph Reasoning for Operation-wise Table Question Answering

Guixin Su, Qiankun Pi, Mayi Xu +5

Table Question Answering (TableQA) aims to reason over tables to answer user queries. Existing research treats all questions uniformly and evaluates solely through overall accuracy…

cs.CL2026

ContiGuard: A Framework for Continual Toxicity Detection Against Evolving Evasive Perturbations

Hankun Kang, Xin Miao, Jianhao Chen +5

Toxicity detection mitigates the dissemination of toxic content (e.g., hateful comments, posts, and messages within online social actions) to safeguard a healthy online social envi…

cs.AI2026

Can a Small Model Learn to Look Before It Leaps? Dynamic Learning and Proactive Correction for Hallucination Detection

Zepeng Bao, Shen Zhou, Qiankun Pi +5

Hallucination in large language models (LLMs) remains a critical barrier to their safe deployment. For hallucination detection to be practical in real-world scenarios, the use of e…

cs.SI2026

Beyond Static Snapshots: Dynamic Modeling and Forecasting of Group-Level Value Evolution with Large Language Models

Qiankun Pi, Guixin Su, Jinliang Li +5

Social simulation is critical for mining complex social dynamics and supporting data-driven decision making. LLM-based methods have emerged as powerful tools for this task by lever…

cs.CL2026

Format as a Prior: Quantifying and Analyzing Bias in LLMs for Heterogeneous Data

Jiacheng Liu, Mayi Xu, Qiankun Pi +5

Large Language Models (LLMs) are increasingly employed in applications that require processing information from heterogeneous formats, including texts, tables, infoboxes, and knowl…