activity
20242026
most citedTimeSeriesBench: An Industrial-Grade Benchmark for Time Series Anomaly Detection Models

3 citations · 3 across the 7 of their papers we have counts for

collaborators

9 papers

cs.AI2026

Cascade Failure Attribution for Multi-Agent Systems

Jiayi Zhang, Zexin Wang, Degang Sun +4

Large language model (LLM)-based agents have shown strong potential in solving complex tasks through multi-step reasoning, yet they remain vulnerable to execution failures. Accurat…

cs.AI2026

LongRCA Bench: Root-Cause Localization in Long-Horizon Agent Trajectories

Yunfei Zhang, Boyu Feng, Changhua Pei +14

In long agent executions, an early error can persist through later actions and checks, while evidence needed to trace its origin is dispersed across the history. Short histories of…

cs.DC2026

Don't Predict, Prioritize: Rethinking GPU Reliability Assessment

Difeng Ma, Changhua Pei, Yuanwei Lu +7

The reliability of Graphics Processing Units (GPUs) is a criticalbottleneck for modern large-scale AI infrastructure, where a sin-gle node failure can disrupt synchronous training…

cs.SE2026

UModel: An Agent-Ready Observability Data Modeling Method at Scale

Changhua Pei, Zheyuan Li, Zexin Wang +10

When networked system failures occur, automatically performing Root Cause Analysis (RCA) using observability data is critical for ensuring networked system reliability. Recently, L…

cs.MA2026

Agent System Operations: Categorization, Challenges, and Future Directions

Zexin Wang, Changhua Pei, Yuanhao Liu +10

As the reasoning capabilities of Large Language Models (LLMs) continue to advance, LLM-based agent systems offer advantages in flexibility and interpretability over traditional sys…

cs.LG2025

ViTs: Teaching Machines to See Time Series Anomalies Like Human Experts

Zexin Wang, Changhua Pei, Yang Liu +8

Web service administrators must ensure the stability of multiple systems by promptly detecting anomalies in Key Performance Indicators (KPIs). Achieving the goal of "train once, in…

cs.SE2025

TShape: Rescuing Machine Learning Models from Complex Shapelet Anomalies

Hang Cui, Jingjing Li, Haotian Si +4

Time series anomaly detection (TSAD) is critical for maintaining the reliability of modern IT infrastructures, where complex anomalies frequently arise in highly dynamic environmen…

cs.AI2025

A Survey on AgentOps: Categorization, Challenges, and Future Directions

Zexin Wang, Jingjing Li, Quan Zhou +7

As the reasoning capabilities of Large Language Models (LLMs) continue to advance, LLM-based agent systems offer advantages in flexibility and interpretability over traditional sys…

cs.LG2024★ 3 cited

TimeSeriesBench: An Industrial-Grade Benchmark for Time Series Anomaly Detection Models

Haotian Si, Jianhui Li, Changhua Pei +9

Time series anomaly detection (TSAD) has gained significant attention due to its real-world applications to improve the stability of modern software systems. However, there is no e…