activity
20242026
most citedGPRec: Bi-level User Modeling for Deep Recommenders

1 citations · 1 across the 6 of their papers we have counts for

collaborators

9 papers

cs.IR2026

Exploring Recommender System Evaluation: A Multi-Modal User Agent Framework for A/B Testing

Wenlin Zhang, Xiangyang Li, Qiyuan Ge +9

In recommender systems, online A/B testing is a crucial method for evaluating the performance of different models. However, conducting online A/B testing often presents significant…

cs.IR2025

The Best of the Two Worlds: Harmonizing Semantic and Hash IDs for Sequential Recommendation

Ziwei Liu, Yejing Wang, Wanyu Wang +6

Conventional Sequential Recommender Systems (SRS) typically assign unique hash IDs (HID) to construct item embeddings, which mainly capture collaborative signals from historical us…

cs.AI2025

Boosting Fine-Grained Urban Flow Inference via Lightweight Architecture and Focalized Optimization

Yuanshao Zhu, Xiangyu Zhao, Zijian Zhang +2

Fine-grained urban flow inference is crucial for urban planning and intelligent transportation systems, enabling precise traffic management and resource allocation. However, the pr…

cs.IR2025

Bridge the Domains: Large Language Models Enhanced Cross-domain Sequential Recommendation

Qidong Liu, Xiangyu Zhao, Yejing Wang +6

Cross-domain Sequential Recommendation (CDSR) aims to extract the preference from the user's historical interactions across various domains. Despite some progress in CDSR, two prob…

cs.IR2024

A Contrastive Pretrain Model with Prompt Tuning for Multi-center Medication Recommendation

Qidong Liu, Zhaopeng Qiu, Xiangyu Zhao +4

Medication recommendation is one of the most critical health-related applications, which has attracted extensive research interest recently. Most existing works focus on a single h…

cs.IR2024

Large Language Model Enhanced Recommender Systems: A Survey

Qidong Liu, Xiangyu Zhao, Yuhao Wang +9

Large Language Model (LLM) has transformative potential in various domains, including recommender systems (RS). There have been a handful of research that focuses on empowering the…