Zan, Lei

1. Root Cause Identification for Collective Anomalies in Time Series given an Acyclic Summary Causal Graph with Loops
   2023/03/07 by Imad Ez-zejjari, Assaad, Charles K., Lei Zan +2 · 10 citations
   Computer Science · Physics and Astronomy · #Time Series Analysis and Forecasting #Bayesian Modeling and Causal Inference #Complex Network Analysis Techniques
2. Case Studies of Causal Discovery from IT Monitoring Time Series
   2023/07/28 by Ali Aït-Bachir, Aït-Bachir, Ali, Assaad, Charles K. +12 · 4 citations
   Computer Science · Decision Sciences · #Applications (stat.AP) #Artificial Intelligence (cs.AI) #Data Mining Algorithms and Applications #Data Quality and Management #FOS: Computer and information sciences #Machine Learning (cs.LG) #Methodology (stat.ME) #Software System Performance and Reliability
3. On the Fly Detection of Root Causes from Observed Data with Application to IT Systems
   2024/02/09 by Lei Zan, Zan, Lei, Émilie Devijver +5 · 2 citations
   Computer Science · Engineering · #Anomaly Detection Techniques and Applications #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Fault Detection and Control Systems #Software System Performance and Reliability
4. CauKer: Classification Time Series Foundation Models Can Be Pretrained on Synthetic Data
   2025/08/04 by Vasilii Feofanov, Xie, Shifeng, Ambroise Odonnat +13 · 6 citations
   Computer Science · #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Gaussian Processes and Bayesian Inference #Machine Learning (cs.LG) #Machine Learning in Healthcare #Time Series Analysis and Forecasting
5. CAMA: Enhancing Mathematical Reasoning in Large Language Models with Causal Knowledge
   2025/08/04 by Zan, Lei, Zhang, Keli, Cai, Ruichu +1 · 1 citation
   #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Machine Learning (cs.LG)