A Multistrategy Approach to Classifier Learning from Time Series

  • Authors:
  • William H. Hsu;Sylvian R. Ray;David C. Wilkins

  • Affiliations:
  • National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA. bhsu@cis.ksu.edu;Department of Computer Science and Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. ray@cs.uiuc.edu;Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. dcw@uiuc.edu

  • Venue:
  • Machine Learning - Special issue on multistrategy learning
  • Year:
  • 2000

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Abstract

We present an approach to inductive concept learning usingmultiple models for time series. Our objective is to improve theefficiency and accuracy of concept learning by decomposing learningtasks that admit multiple types of learning architectures and mixtureestimation methods. The decomposition method adapts attribute subsetselection and constructive induction (cluster definition) to definenew subproblems. To these problem definitions, we can applymetric-based model selection to select from a database of learningcomponents, thereby producing a specification for supervised learningusing a mixture model. We report positive learning results usingtemporal artificial neural networks (ANNs), on a synthetic,multiattribute learning problem and on a real-world time seriesmonitoring application.