Semantic Discord: Finding Unusual Local Patterns for Time Series

30 Jan 2020 Li Zhang Yifeng Gao Jessica Lin

Finding anomalous subsequence in a long time series is a very important but difficult problem. Existing state-of-the-art methods have been focusing on searching for the subsequence that is the most dissimilar to the rest of the subsequences; however, they do not take into account the background patterns that contain the anomalous candidates... (read more)

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