activity
20242026
collaborators

9 papers

cs.IR2026

LaRec: Unleashing LLM-based Latent Reasoning for Generative Recommendation

Yu Xia, Zihan Lin, Wei Yang +4

Large Language Models (LLMs) have shown great promise in recommendation due to superior reasoning abilities. However, existing methods mainly rely on explicit Chain-of-Thought (CoT…

cs.IR2026

TimeMM: Time-as-Operator Spectral Filtering for Dynamic Multimodal Recommendation

Wei Yang, Rui Zhong, Zihan Lin +4

Multimodal recommendation improves user modeling by integrating collaborative signals with heterogeneous item content. In real applications, user interests evolve over time and exh…

cs.IR2026

FITMM: Adaptive Frequency-Aware Multimodal Recommendation via Information-Theoretic Representation Learning

Wei Yang, Rui Zhong, Yiqun Chen +4

Multimodal recommendation aims to enhance user preference modeling by leveraging rich item content such as images and text. Yet dominant systems fuse modalities in the spatial doma…

cs.IR2026

Structured Spectral Reasoning for Frequency-Adaptive Multimodal Recommendation

Wei Yang, Rui Zhong, Yiqun Chen +2

Multimodal recommendation aims to integrate collaborative signals with heterogeneous content such as visual and textual information, but remains challenged by modality-specific noi…

cs.IR2025

TrackRec: Iterative Alternating Feedback with Chain-of-Thought via Preference Alignment for Recommendation

Yu Xia, Rui Zhong, Zeyu Song +5

The extensive world knowledge and powerful reasoning capabilities of large language models (LLMs) have attracted significant attention in recommendation systems (RS). Specifically,…

cs.IR2025

R4ec: A Reasoning, Reflection, and Refinement Framework for Recommendation Systems

Hao Gu, Rui Zhong, Yu Xia +4

Harnessing Large Language Models (LLMs) for recommendation systems has emerged as a prominent avenue, drawing substantial research interest. However, existing approaches primarily…

cs.IR2025

Hierarchical Tree Search-based User Lifelong Behavior Modeling on Large Language Model

Yu Xia, Rui Zhong, Hao Gu +4

Large Language Models (LLMs) have garnered significant attention in Recommendation Systems (RS) due to their extensive world knowledge and robust reasoning capabilities. However, a…

cs.LG2025

Navigate the Unknown: Enhancing LLM Reasoning with Intrinsic Motivation Guided Exploration

Jingtong Gao, Ling Pan, Yejing Wang +6

Reinforcement Learning (RL) has become a key approach for enhancing the reasoning capabilities of large language models. However, prevalent RL approaches like proximal policy optim…

cs.IR2024

LLM-Powered User Simulator for Recommender System

Zijian Zhang, Shuchang Liu, Ziru Liu +6

User simulators can rapidly generate a large volume of timely user behavior data, providing a testing platform for reinforcement learning-based recommender systems, thus accelerati…