Search Results for author: Gaogang Xie

Found 4 papers, 4 papers with code

Revisiting VAE for Unsupervised Time Series Anomaly Detection: A Frequency Perspective

1 code implementation5 Feb 2024 Zexin Wang, Changhua Pei, Minghua Ma, Xin Wang, Zhihan Li, Dan Pei, Saravan Rajmohan, Dongmei Zhang, QIngwei Lin, Haiming Zhang, Jianhui Li, Gaogang Xie

To ensure an accurate AD, FCVAE exploits an innovative approach to concurrently integrate both the global and local frequency features into the condition of Conditional Variational Autoencoder (CVAE) to significantly increase the accuracy of reconstructing the normal data.

Anomaly Detection Time Series +1

OpsEval: A Comprehensive IT Operations Benchmark Suite for Large Language Models

1 code implementation11 Oct 2023 Yuhe Liu, Changhua Pei, Longlong Xu, Bohan Chen, Mingze Sun, Zhirui Zhang, Yongqian Sun, Shenglin Zhang, Kun Wang, Haiming Zhang, Jianhui Li, Gaogang Xie, Xidao Wen, Xiaohui Nie, Minghua Ma, Dan Pei

Information Technology (IT) Operations (Ops), particularly Artificial Intelligence for IT Operations (AIOps), is the guarantee for maintaining the orderly and stable operation of existing information systems.

Hallucination In-Context Learning +2

Beyond Sharing: Conflict-Aware Multivariate Time Series Anomaly Detection

1 code implementation17 Aug 2023 Haotian Si, Changhua Pei, Zhihan Li, Yadong Zhao, Jingjing Li, Haiming Zhang, Zulong Diao, Jianhui Li, Gaogang Xie, Dan Pei

Massive key performance indicators (KPIs) are monitored as multivariate time series data (MTS) to ensure the reliability of the software applications and service system.

Anomaly Detection Multi-Task Learning +3

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