Xu Chen

2025

doi dblp
LIRA: A Learning-based Query-aware Partition Framework for Large-scale ANN Search.
Ximu Zeng|Liwei Deng|Penghao Chen|Xu Chen|Han Su|Kai Zheng
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp
Towards Online and Safe Configuration Tuning with Semi-supervised Anomaly Detection.
Haitian Chen|Xu Chen|Zibo Liang|Xiushi Feng|Jiandong Xie|Han Su|Kai Zheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
A Cause-Focused Query Optimizer Alert System.
Runfan Ye|Zibo Liang|Xu Chen|Shuncheng Liu|Kai Zheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

2022

doi dblp
Efficient Learning with Pseudo Labels for Query Cost Estimation.
Shuncheng Liu|Xu Chen|Yan Zhao|Jin Chen|Rui Zhou|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
HeGA: Heterogeneous Graph Aggregation Network for Trajectory Prediction in High-Density Traffic.
Shuncheng Liu|Xu Chen|Ziniu Wu|Liwei Deng|Han Su|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
RISE: A Velocity Control Framework with Minimal Impacts based on Reinforcement Learning.
Yuyang Xia|Sophia Ananiadou|Xu Chen|Shuncheng Liu|Xu Chen|Sophia Ananiadou|Zhi Xu|Kai Zheng|Han Su
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2021

doi dblp
PATROL: A Velocity Control Framework for Autonomous Vehicle via Spatial-Temporal Reinforcement Learning.
Zhi Xu|Paul Buitelaar|Shuncheng Liu|Ziniu Wu|Zhi Xu|Paul Buitelaar|Xu Chen|Kai Zeng|Kai Zheng|Han Su
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021