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cs.LG2026
EvoCause: LLM-Guided Evolution of Causal Graphs for Root Cause Analysis
Lei Zan, Keli Zhang, Shifeng Xie +7
Modern telecommunication, cloud, and microservice systems emit correlated alarm cascades when components fail. Root cause analysis (RCA) aims to identify the small set of alarms th…
cs.LG2026
Time Series as Language: A Universal Tokenizer for General-Purpose Time Series Foundation Models
Yunhao Zhang, Ruiying Qi, Jiale Zheng +3
While Next-Token Prediction (NTP) has unified LLM pretraining, its adaptation to unbounded, continuous time series (TS) remains open. To bridge the gap, we introduce UniTok, a univ…