Zhengzhang Chen

2026

doi dblp
Learning to Route: A Rule-Driven Agent Framework for Hybrid-Source Retrieval-Augmented Generation.
Haoyue Bai|Haoyu Wang|Shengyu Chen|Zhengzhang Chen|Lu-An Tang|Wei Cheng|Yanjie Fu|Haifeng Chen
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

doi dblp
Correlation-aware Online Change Point Detection.
Chengyuan Deng|Zhengzhang Chen|Xujiang Zhao|Haoyu Wang|Junxiang Wang|Jie Gao|Haifeng Chen
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

2024

doi dblp
MULAN: Multi-modal Causal Structure Learning and Root Cause Analysis for Microservice Systems.
Lecheng Zheng|Zhengzhang Chen|Jingrui He|Haifeng Chen
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2021

doi dblp
Structural Temporal Graph Neural Networks for Anomaly Detection in Dynamic Graphs.
Lei Cai|Zhengzhang Chen|Chen Luo|Jiaping Gui|Jingchao Ni|Ding Li|Haifeng Chen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Interpreting Convolutional Sequence Model by Learning Local Prototypes with Adaptation Regularization.
Jingchao Ni|Zhengzhang Chen|Wei Cheng|Bo Zong|Dongjin Song|Yanchi Liu|Xuchao Zhang|Haifeng Chen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

doi dblp
A Generic Edge-Empowered Graph Convolutional Network via Node-Edge Mutual Enhancement.
Pengyang Wang|Jiaping Gui|Zhengzhang Chen|Junghwan Rhee|Haifeng Chen|Yanjie Fu
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2018

doi dblp
Behavior-based Community Detection: Application to Host Assessment In Enterprise Information Networks.
Cheng Cao|Zhengzhang Chen|James Caverlee|Lu-An Tang|Chen Luo|Zhichun Li
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
Collaborative Alert Ranking for Anomaly Detection.
Ying Lin|Zhengzhang Chen|Cheng Cao|Lu-An Tang|Kai Zhang|Wei Cheng|Zhichun Li
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

2017

doi dblp
Efficient Discovery of Abnormal Event Sequences in Enterprise Security Systems.
Boxiang Dong|Zhengzhang Chen|Wendy Hui Wang|Lu-An Tang|Kai Zhang|Ying Lin|Zhichun Li|Haifeng Chen
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

2013

doi dblp
Feedback-driven multiclass active learning for data streams.
Yu Cheng|Zhengzhang Chen|Lu Liu|Jiang Wang|Ankit Agrawal|Alok N. Choudhary
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013
doi dblp
Bootstrapping active name disambiguation with crowdsourcing.
Yu Cheng|Zhengzhang Chen|Jiang Wang|Ankit Agrawal|Alok N. Choudhary
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013
doi dblp
Random walk-based graphical sampling in unbalanced heterogeneous bipartite social graphs.
Yusheng Xie|Zhengzhang Chen|Ankit Agrawal|Alok N. Choudhary|Lu Liu
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013