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AnomalyDetect: An online distance-based anomaly detection algorithm

  • Wunjun Huo
  • , Wei Wang*
  • , Wen Li
  • *此作品的通讯作者
  • Tongji University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Anomaly detection is a key challenge in data mining, which refers to finding patterns in data that do not conform to expected behavior. It has a wide range of applications in many fields as diverse as finance, medicine, industry, and the Internet. In particular, intelligent operation has made great progress in recent years and has an urgent need for this technology. In this paper, we study the problem of anomaly detection in the context of intelligent operation and find the practical need for high-accuracy, online and universal anomaly detection algorithms in time series database. Based on the existing algorithms, we propose an innovative online distance-based anomaly detection algorithm. K-means and time-space trade-off mechanism are used to reduce the time complexity. Through the experiments on Yahoo! Web-scope S5 dataset we show that our algorithm can detect anomalies accurately. The comparative study of several anomaly detectors verifies the effectiveness and generality of the proposed algorithm.

源语言英语
主期刊名Web Services – ICWS 2019 - 26th International Conference, Held as Part of the Services Conference Federation, SCF 2019, Proceedings
编辑John Miller, Eleni Stroulia, Kisung Lee, Liang-Jie Zhang
出版商Springer Verlag
63-79
页数17
ISBN(印刷版)9783030234980
DOI
出版状态已出版 - 2019
活动26th International Conference on Web Services, ICWS 2019 held as part of the Services Conference Federation, SCF 2019 - San Diego, 美国
期限: 25 6月 201930 6月 2019

出版系列

姓名Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
11512 LNCS
ISSN(印刷版)0302-9743
ISSN(电子版)1611-3349

会议

会议26th International Conference on Web Services, ICWS 2019 held as part of the Services Conference Federation, SCF 2019
国家/地区美国
San Diego
时期25/06/1930/06/19

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