Lei Zan

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 · 5 citations
   Computer Science · Physics and Astronomy · #Time Series Analysis and Forecasting #Bayesian Modeling and Causal Inference #Complex Network Analysis Techniques
2. Post-Training in Time Series Foundation Models: A Unifying Framework
   2026/07/22 by Shifeng Xie, Ambroise Odonnat, Zehao Xiao +7
   #cs.LG #cs.AI
3. EvoCause: LLM-Guided Evolution of Causal Graphs for Root Cause Analysis
   2026/07/29 by Lei Zan, Keli Zhang, Shifeng Xie +7
   Computer Science · #cs.LG