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20232026
most citedCheatAgent: Attacking LLM-Empowered Recommender Systems via LLM Agent

19 citations · 55 across the 20 of their papers we have counts for

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11 papers · 1 filter

cs.IR2025

Macro Graph of Experts for Billion-Scale Multi-Task Recommendation

Hongyu Yao, Zijin Hong, Hao Chen +6

Graph-based multi-task learning at billion-scale presents a significant challenge, as different tasks correspond to distinct billion-scale graphs. Traditional multi-task learning m…

cs.IR2025

AliBoost: Ecological Boosting Framework in Alibaba Platform

Qijie Shen, Yuanchen Bei, Zihong Huang +8

Maintaining a healthy ecosystem in billion-scale online platforms is challenging, as users naturally gravitate toward popular items, leaving cold and less-explored items behind. Th…

cs.IR2025

FilterLLM: Text-To-Distribution LLM for Billion-Scale Cold-Start Recommendation

Ruochen Liu, Hao Chen, Yuanchen Bei +6

Large Language Model (LLM)-based cold-start recommendation systems continue to face significant computational challenges in billion-scale scenarios, as they follow a "Text-to-Judgm…

cs.IR2025★ 2 cited

Cold-Start Recommendation towards the Era of Large Language Models (LLMs): A Comprehensive Survey and Roadmap

Weizhi Zhang, Yuanchen Bei, Liangwei Yang +15

Cold-start problem is one of the long-standing challenges in recommender systems, focusing on accurately modeling new or interaction-limited users or items to provide better recomm…

cs.IR2024

Graph Cross-Correlated Network for Recommendation

Hao Chen, Yuanchen Bei, Wenbing Huang +3

Collaborative filtering (CF) models have demonstrated remarkable performance in recommender systems, which represent users and items as embedding vectors. Recently, due to the powe…

cs.IR2024

Graph Neural Patching for Cold-Start Recommendations

Hao Chen, Yu Yang, Yuanchen Bei +3

The cold start problem in recommender systems remains a critical challenge. Current solutions often train hybrid models on auxiliary data for both cold and warm users/items, potent…

cs.IR2024

Feedback Reciprocal Graph Collaborative Filtering

Weijun Chen, Yuanchen Bei, Qijie Shen +3

Collaborative filtering on user-item interaction graphs has achieved success in the industrial recommendation. However, recommending users' truly fascinated items poses a seesaw di…

cs.IR2024★ 6 cited

Large Language Model Simulator for Cold-Start Recommendation

Feiran Huang, Yuanchen Bei, Zhenghang Yang +6

Recommending cold items remains a significant challenge in billion-scale online recommendation systems. While warm items benefit from historical user behaviors, cold items rely sol…

cs.IR2024★ 1 cited

Multi-Behavior Collaborative Filtering with Partial Order Graph Convolutional Networks

Yijie Zhang, Yuanchen Bei, Hao Chen +6

Representing information of multiple behaviors in the single graph collaborative filtering (CF) vector has been a long-standing challenge. This is because different behaviors natur…

cs.IR2024★ 1 cited

Macro Graph Neural Networks for Online Billion-Scale Recommender Systems

Hao Chen, Yuanchen Bei, Qijie Shen +6

Predicting Click-Through Rate (CTR) in billion-scale recommender systems poses a long-standing challenge for Graph Neural Networks (GNNs) due to the overwhelming computational comp…

cs.IR2023

Alleviating Behavior Data Imbalance for Multi-Behavior Graph Collaborative Filtering

Yijie Zhang, Yuanchen Bei, Shiqi Yang +4

Graph collaborative filtering, which learns user and item representations through message propagation over the user-item interaction graph, has been shown to effectively enhance re…