collaborators

10 papers

cs.IR2026

Native Multimodal Representation Learning for Click-Through Rate Prediction in E-Commerce Scenarios

Chao Yi, Feifan Yang, Jiawei Feng +4

Multimodal representations have been widely adopted in industrial e-commerce recommendation systems. Due to their strong semantic understanding and generalization capabilities, the…

cs.CL2026

Can Large Language Models Identify Meaningful Touchpoints in Conversion Attribution?

Jinqi Wu, Sishuo Chen, Zhangming Chan +9

Touchpoint selection in conversion attribution, namely identifying meaningful touchpoints contributing to conversions, is essential for e-commerce recommendation and online adverti…

cs.IR2026

DREAM Technical Report

Bin Zhang, Bowen Zheng, Chao Yi +74

Industrial recommender systems commonly use cascaded retrieval, ranking, and re-ranking pipelines. Although efficient, these pipelines fragment information and objectives across mo…

cs.IR2026

RecGPT-V3 Technical Report

Bowen Zheng, Chao Yi, Dian Chen +26

Large language models (LLMs) are transforming recommender systems from matching co-occurrence patterns in historical behavior toward reasoning about the intent that drives it. RecG…

cs.IR2026

Fine-grained Semantics Integration for Large Language Model-based Recommendation

Jiawei Feng, Xiaoyu Kong, Leheng Sheng +8

Recent advances in Large Language Models (LLMs) have driven a shift in recommender systems from the discriminative paradigm to the LLM-based generative paradigm, where the recommen…

cs.IR2025

RecGPT-V2 Technical Report

Chao Yi, Dian Chen, Gaoyang Guo +32

Large language models (LLMs) have demonstrated remarkable potential in transforming recommender systems from implicit behavioral pattern matching to explicit intent reasoning. Whil…

cs.IR2025

MUSE: A Simple Yet Effective Multimodal Search-Based Framework for Lifelong User Interest Modeling

Bin Wu, Feifan Yang, Zhangming Chan +8

Lifelong user interest modeling is crucial for industrial recommender systems, yet existing approaches rely predominantly on ID-based features, suffering from poor generalization o…

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.AI2025

Chat2SPaT: A Large Language Model Based Tool for Automating Traffic Signal Control Plan Management

Yue Wang, Miao Zhou, Guijing Huang +3

Pre-timed traffic signal control, commonly used for operating signalized intersections and coordinated arterials, requires tedious manual work for signaling plan creating and updat…

cs.IR2025

Bursting Filter Bubble: Enhancing Serendipity Recommendations with Aligned Large Language Models

Yunjia Xi, Muyan Weng, Wen Chen +9

Recommender systems (RSs) often suffer from the feedback loop phenomenon, e.g., RSs are trained on data biased by their recommendations. This leads to the filter bubble effect that…