Zhaocheng Du

2026

A Survey of Personalization: From RAG to Agent.

Xiaopeng Li|Pengyue Jia|Derong Xu|Yi Wen|Yingyi Zhang|Wenlin Zhang|Wanyu Wang|Yichao Wang|Zhaocheng Du|Xiangyang Li|Yong Liu|Huifeng Guo|Ruiming Tang|Xiangyu Zhao

ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4

AFE-Master: Enhancing LLM-Driven Autonomous Feature Engineering with Domain-Specific Language Parsing and Guided Local Search.

Hebin Liang|Jianye Hao|Jinyi Liu|Yi Ma|Zilin Cao|Jing Liang|Kun Shao|Zhaocheng Du|Fei Ni|Yifu Yuan|Yan Zheng

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

BlossomRec: Block-level Fused Sparse Attention Mechanism for Sequential Recommendations.

Mengyang Ma|Xiaopeng Li|Wanyu Wang|Zhaocheng Du|Jingtong Gao|Pengyue Jia|Yuyang Ye|Yiqi Wang|Yunpeng Weng|Weihong Luo|Xiao Han|Xiangyu Zhao

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

FairFS: Addressing Deep Feature Selection Biases for Recommender System.

Xianquan Wang|Zhaocheng Du|Jieming Zhu|Qinglin Jia|Zhenhua Dong|Kai Zhang

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

SELF: Surrogate-light Feature Selection with Large Language Models in Deep Recommender Systems.

Pengyue Jia|Zhaocheng Du|Yichao Wang|Xiangyu Zhao|Xiaopeng Li|Yuhao Wang|Qidong Liu|Huifeng Guo|Ruiming Tang

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

Prompt Tuning as User Inherent Profile Inference Machine.

Yusheng Lu|Zhaocheng Du|Xiangyang Li|Pengyue Jia|Yejing Wang|Weiwen Liu|Yichao Wang|Huifeng Guo|Ruiming Tang|Zhenhua Dong|Yongrui Duan|Xiangyu Zhao

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

Mitigating Source Bias with LLM Alignment.

Sunhao Dai|Yuqi Zhou|Liang Pang|Zhuoyang Li|Zhaocheng Du|Gang Wang|Jun Xu

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

MCNet: Monotonic Calibration Networks for Expressive Uncertainty Calibration in Online Advertising.

Quanyu Dai|Jiaren Xiao|Zhaocheng Du|Jieming Zhu|Chengxiao Luo|Xiao-Ming Wu|Zhenhua Dong

Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

SampleLLM: Optimizing Tabular Data Synthesis in Recommendations.

Jingtong Gao|Zhaocheng Du|Xiaopeng Li|Yichao Wang|Xiangyang Li|Huifeng Guo|Ruiming Tang|Xiangyu Zhao

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

Few-shot LLM Synthetic Data with Distribution Matching.

Jiyuan Ren|Zhaocheng Du|Zhihao Wen|Qinglin Jia|Sunhao Dai|Chuhan Wu|Zhenhua Dong

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

UniEmbedding: Learning Universal Multi-Modal Multi-Domain Item Embeddings via User-View Contrastive Learning.

Boqi Dai|Zhaocheng Du|Jieming Zhu|Jintao Xu|Deqing Zou|Quanyu Dai|Zhenhua Dong|Rui Zhang|Hai-Tao Zheng

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

LightCS: Selecting Quadratic Feature Crosses in Linear Complexity.

Zhaocheng Du|Junhao Chen|Qinglin Jia|Chuhan Wu|Jieming Zhu|Zhenhua Dong|Ruiming Tang

Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

Diffusion Augmentation for Sequential Recommendation.

Qidong Liu|Fan Yan|Xiangyu Zhao|Zhaocheng Du|Huifeng Guo|Ruiming Tang|Feng Tian

Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023

Single-shot Feature Selection for Multi-task Recommendations.

Yejing Wang|Zhaocheng Du|Xiangyu Zhao|Bo Chen|Huifeng Guo|Ruiming Tang|Zhenhua Dong

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023