collaborators

8 papers

cs.CV2026

DTP: A Simple yet Effective Distracting Token Pruning Framework for Vision-Language Action Models

Chenyang Li, Jieyuan Liu, Bin Li +5

Vision-Language Action (VLA) models have shown remarkable progress in robotic manipulation by leveraging the powerful perception abilities of Vision-Language Models (VLMs) to under…

cs.CL2026

Dr. Assistant: Enhancing Clinical Diagnostic Inquiry via Structured Diagnostic Reasoning Data and Reinforcement Learning

Yue Guo, Fanfu Wang, Jianwei Lv +9

Clinical Decision Support Systems (CDSSs) provide reasoning and inquiry guidance for physicians, yet they face notable challenges, including high maintenance costs and low generali…

cs.CL2025

Cognitive Alignment in Personality Reasoning: Leveraging Prototype Theory for MBTI Inference

Haoyuan Li, Yuanbo Tong, Yuchen Li +3

Personality recognition from text is typically cast as hard-label classification, which obscures the graded, prototype-like nature of human personality judgments. We present ProtoM…

cs.CL2025

LogiNumSynth: Synthesizing Joint Logical-Numerical Reasoning Problems for Language Models

Yiwei Liu, Yucheng Li, Xiao Li +1

Joint logical-numerical reasoning remains a major challenge for language models, yet existing datasets rely on fixed rule sets and offer limited control over task complexity, const…

cs.CL2025

MINED: Probing and Updating with Multimodal Time-Sensitive Knowledge for Large Multimodal Models

Kailin Jiang, Ning Jiang, Yuntao Du +8

Large Multimodal Models (LMMs) encode rich factual knowledge via cross-modal pre-training, yet their static representations struggle to maintain an accurate understanding of time-s…

cs.IR2025

RecGPT Technical Report

Chao Yi, Dian Chen, Gaoyang Guo +51

Recommender systems are among the most impactful applications of artificial intelligence, serving as critical infrastructure connecting users, merchants, and platforms. However, mo…

cs.LG2025

Bootstrapping your behavior: a new pretraining strategy for user behavior sequence data

Weichang Wu, Xiaolu Zhang, Jun Zhou +2

User Behavior Sequence (UBS) modeling is crucial in industrial applications. As data scale and task diversity grow, UBS pretraining methods have become increasingly pivotal. State-…

cs.AI2025

HPS: Hard Preference Sampling for Human Preference Alignment

Xiandong Zou, Wanyu Lin, Yuchen Li +1

Aligning Large Language Model (LLM) responses with human preferences is vital for building safe and controllable AI systems. While preference optimization methods based on Plackett…