collaborators

5 papers

cs.IR2026

Multimodal Large Language Models with Adaptive Preference Optimization for Sequential Recommendation

Yu Wang, Yonghui Yang, Le Wu +3

Recent advances in Large Language Models (LLMs) have opened new avenues for sequential recommendation by enabling natural language reasoning over user behavior sequences. A common…

cs.IR2025

ProEx: A Unified Framework Leveraging Large Language Model with Profile Extrapolation for Recommendation

Yi Zhang, Yiwen Zhang, Yu Wang +2

The powerful text understanding and generation capabilities of large language models (LLMs) have brought new vitality to general recommendation with implicit feedback. One possible…

cs.IR2025

Heterogeneous Graph Masked Contrastive Learning for Robust Recommendation

Lei Sang, Yu Wang, Yiwen Zhang

Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta…

cs.IR2025

Towards Distribution Matching between Collaborative and Language Spaces for Generative Recommendation

Yi Zhang, Yiwen Zhang, Yu Wang +2

Generative recommendation aims to learn the underlying generative process over the entire item set to produce recommendations for users. Although it leverages non-linear probabilis…

cs.IR2025

Intent Representation Learning with Large Language Model for Recommendation

Yu Wang, Lei Sang, Yi Zhang +1

Intent-based recommender systems have garnered significant attention for uncovering latent fine-grained preferences. Intents, as underlying factors of interactions, are crucial for…