A Survey of Collective Anomaly Detection on Sequence Dataset

Xiaodi Huang, Po Yun and Zhongfeng Hu
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Xiaodi Huang: Hefei University, China
Po Yun: Hefei University, China
Zhongfeng Hu: Hefei University, China

International Journal of Data Warehousing and Mining (IJDWM), 2023, vol. 19, issue 1, 1-22

Abstract: Anomaly detection on sequence dataset typically focuses on the detection of collective anomalies, aiming to find anomalous patterns consisting of sequences of data with specific relationships rather than individual observations. In this survey, existing studies are summarized to align with temporal sequence dataset and spatial sequence dataset. For the first category, the detection can be subdivided into symbolic dataset based and time series dataset based, which include similarity, probabilistic, and trend approaches. For the second category, it can be subdivided into homogeneous datasets based heterogeneous datasets based, which include multi-dataset fusion and joint approaches. Compared to the state-of-the-art survey papers, the contribution of this paper lies in providing a deep analysis of various representations of collective anomaly in different application field and their corresponding detection methods, representative techniques. As a result, practitioners can receive some guidance for selecting the most suitable methods for their particular case.

Date: 2023
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