collaborators

11 papers

cs.AI2026

Overcoming Multi-step Complexity in Multimodal Theory-of-Mind Reasoning: A Scalable Bayesian Planner

Chunhui Zhang, Zhongyu Ouyang, Kwonjoon Lee +4

Theory-of-Mind (ToM) enables humans to infer mental states-such as beliefs, desires, and intentions-forming the foundation of social cognition. However, existing computational ToM…

cs.IR2026

What Makes LLMs Effective Sequential Recommenders? A Study on Preference Intensity and Temporal Context

Zhongyu Ouyang, Qianlong Wen, Chunhui Zhang +2

What enables large language models (LLMs) to effectively model user preferences in sequential recommendation? Our investigation reveals that existing preference-alignment approache…

cs.SD2026

Music Audio-Visual Question Answering Requires Specialized Multimodal Designs

Wenhao You, Xingjian Diao, Wenjun Huang +9

While recent Multimodal Large Language Models exhibit impressive capabilities for general multimodal tasks, specialized domains like music necessitate tailored approaches. Music Au…

cs.LG2025

What Makes a Good Curriculum? Disentangling the Effects of Data Ordering on LLM Mathematical Reasoning

Yaning Jia, Chunhui Zhang, Xingjian Diao +4

Curriculum learning (CL) - ordering training data from easy to hard - has become a popular strategy for improving reasoning in large language models (LLMs). Yet prior work employs…

cs.CL2025

SoundMind: RL-Incentivized Logic Reasoning for Audio-Language Models

Xingjian Diao, Chunhui Zhang, Keyi Kong +6

While large language models have demonstrated impressive reasoning abilities, their extension to the audio modality, particularly within large audio-language models (LALMs), remain…

cs.IR2025

Non-parametric Graph Convolution for Re-ranking in Recommendation Systems

Zhongyu Ouyang, Mingxuan Ju, Soroush Vosoughi +1

Graph knowledge has been proven effective in enhancing item rankings in recommender systems (RecSys), particularly during the retrieval stage. However, its application in the ranki…