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Abstract
Time series data occur in many real life applications, ranging from science and engineering to business. In many of these applications, searching through large time series database based on query sequence is often desirable. Such similarity-based retrieval is also the basic subroutine in several advanced time series data mining tasks such as clustering, classification, finding motifs, detecting anomaly patterns, rule discovery and visualization. Although several different approaches have been developed, most are based on the common premise of dimensionality reduction and spatial access methods. This survey gives an overview of recent research and shows how the methods fit into a general framework of feature extraction.
Issue: Vol 14 No 2 (2011)
Page No.: 71-79
Published: Jun 30, 2011
Section: Engineering and Technology - Research article
DOI: https://doi.org/10.32508/stdj.v14i2.1911
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