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Presee: An Mdl/Mml Algorithm To Time-Series Stream Segmenting, Kaikuo Xu, Yexi Jiang, Mingjie Tang, Changan Yuan, Changjie Tang
Presee: An Mdl/Mml Algorithm To Time-Series Stream Segmenting, Kaikuo Xu, Yexi Jiang, Mingjie Tang, Changan Yuan, Changjie Tang
School of Computing and Information Sciences
Time-series stream is one of the most common data types in data mining field. It is prevalent in fields such as stock market, ecology, and medical care. Segmentation is a key step to accelerate the processing speed of time-series stream mining. Previous algorithms for segmentingmainly focused on the issue of ameliorating precision instead of payingmuch attention to the efficiency. Moreover, the performance of these algorithms depends heavily on parameters, which are hard for the users to set. In this paper, we propose PRESEE (parameter-free, real-time, and scalable time-series stream segmenting algorithm), which greatly improves the efficiency of time-series stream segmenting. …