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2009 Ninth IEEE International Conference on Data Mining
Interaction-Based Clustering of Multivariate Time Series
Miami, Florida
December 06-December 09
ISBN: 978-0-7695-3895-2
In this paper, we present a novel approach to clustering multivariate time series. In contrast to previous approaches, we base our cluster notion on the interactions between the univariate time series within a data object. Our objective is to assign objects with a similar intrinsic interaction pattern to a common cluster. To formalize this idea, we define a cluster by a set of mathematical models describing the cluster-specific interaction pattern. In addition, we propose interaction K-means (IKM), an efficient algorithm for partitioning clustering of multivariate time series. The cluster-specific interaction patterns detected by IKM provide valuable information for interpretation of the cluster content. An extensive experimental evaluation on synthetic and real world data demonstrates the effectiveness and efficiency of our approach.
Index Terms:
Algorithms, Clustering methods, Time series
Citation:
Claudia Plant, Afra M. Wohlschläger, Andrew Zherdin, "Interaction-Based Clustering of Multivariate Time Series," icdm, pp.914-919, 2009 Ninth IEEE International Conference on Data Mining, 2009
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