Publications

2026

Tree-Structured Synergy of Large Language Models and Bayesian Optimization for Efficient CASH

Beicheng Xu, Weitong Qian, Lingching Tung, Yupeng Lu, Bin Cui

Conference on Neural Information Processing Systems (NeurIPS), 2026. Poster.

CoFEH: LLM-driven Feature Engineering Empowered by Collaborative Bayesian Hyperparameter Optimization

Beicheng Xu*, Keyao Ding*, Wei Liu, Yupeng Lu, Bin Cui

ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2026. Oral.

* Equal contribution.

PDF DOI Code arXiv

MFTune: An Efficient Multi-fidelity Framework for Spark SQL Configuration Tuning

Beicheng Xu*, Lingching Tung*, Yuchen Wang, Yupeng Lu, Bin Cui

International Conference on Very Large Data Bases (VLDB), 2026.

* Equal contribution.

PSEO: Optimizing Post-Hoc Stacking Ensemble Through Hyperparameter Tuning

Beicheng Xu, Wei Liu, Keyao Ding, Yupeng Lu, Bin Cui

AAAI Conference on Artificial Intelligence (AAAI), 2026. Oral.

HyperRPS: An Efficient Multi-Fidelity Hyper-Parameter Tuning Framework for Rock Particle Segmentation

Yili Ren*, Beicheng Xu*, Huaijun Jiang, Xi Liu, Ping Zhang, Qian Liang, Yu Shen, Bin Cui

Tsinghua Science and Technology (TST), 2026.

* Equal contribution.

AutoSci: A Memory-Centric Agentic System for the Full Scientific Research Lifecycle

Weitong Qian*, Beicheng Xu*, Zhongao Xie*, Bowen Fan, Guozheng Tang, Jiale Chen, Xinzhe Wu, Mingtian Yang, Chenyang Di, Jiajun Li, Lingching Tung, Peichao Lai, Yifei Xia, Ziyi Guo, Yanwei Xu, Yanzhao Qin, Shaoduo Gan, Xupeng Miao, Bin Cui

arXiv preprint, 2026.

* Equal contribution.

2025

A-Tune-Online: Efficient and QoS-aware Online Configuration Tuning for Dynamic Workloads

Yu Shen*, Beicheng Xu*, Yupeng Lu, Donghui Chen, Huaijun Jiang, Zhipeng Xie, Senbo Fu, Nan Zhang, Yuxin Ren, Ning Jia, Xinwei Hu, Bin Cui

IEEE International Conference on Data Engineering (ICDE), 2025.

* Equal contribution.

2023

Multi-aspect Diffusion Network Inference

Hao Huang, Keqi Han, Beicheng Xu, Ting Gan

The ACM Web Conference (WWW), 2023.

2022

Reconstructing Diffusion Networks from Incomplete Data

Hao Huang, Keqi Han, Beicheng Xu, Ting Gan

International Joint Conference on Artificial Intelligence (IJCAI), 2022.