Abstract
This paper proposes a multi-codebook important time subsequence approximation (MCITSA) algorithm for time series classification. MCITSA generates a codebook using important time subsequences for each class based on the difference of categories. In this way, each codebook contains the class information itself. To predict the class label of an unseen time series, MCITSA needs to compare the similarities between important time subsequences extracted from the unseen time series and codewords of each class. Experimental results on time series datasets demonstrate that MCITSA is more powerful than PVQA in classifying time series.
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Acknowledgments
This work was supported in part by the National Natural Science Foundation of China under Grant Nos. 61373093 and 61402310, by the Natural Science Foundation of Jiangsu Province of China under Grant No. BK20140008, by the Natural Science Foundation of the Jiangsu Higher Education Institutions of China under Grant No. 13KJA520001, and by the Soochow Scholar Project.
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Tao, Z., Zhang, L., Wang, B., Li, F. (2016). Time Series Classification Based on Multi-codebook Important Time Subsequence Approximation Algorithm. In: Hirose, A., Ozawa, S., Doya, K., Ikeda, K., Lee, M., Liu, D. (eds) Neural Information Processing. ICONIP 2016. Lecture Notes in Computer Science(), vol 9950. Springer, Cham. https://doi.org/10.1007/978-3-319-46681-1_69
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DOI: https://doi.org/10.1007/978-3-319-46681-1_69
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