ELKI in Time: ELKI 0.2 for the Performance Evaluation of Distance Measures for Time Series

  • Authors:
  • Elke Achtert;Thomas Bernecker;Hans-Peter Kriegel;Erich Schubert;Arthur Zimek

  • Affiliations:
  • Ludwig-Maximilians-Universität München, München, Germany 80538;Ludwig-Maximilians-Universität München, München, Germany 80538;Ludwig-Maximilians-Universität München, München, Germany 80538;Ludwig-Maximilians-Universität München, München, Germany 80538;Ludwig-Maximilians-Universität München, München, Germany 80538

  • Venue:
  • SSTD '09 Proceedings of the 11th International Symposium on Advances in Spatial and Temporal Databases
  • Year:
  • 2009

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Abstract

ELKI is a unified software framework, designed as a tool suitable for evaluation of different algorithms on high dimensional real-valued feature-vectors. A special case of high dimensional real-valued feature-vectors are time series data where traditional distance measures like L p -distances can be applied. However, also a broad range of specialized distance measures like, e.g., dynamic time-warping, or generalized distance measures like second order distances, e.g., shared-nearest-neighbor distances, have been proposed. The new version ELKI 0.2 now is extended to time series data and offers a selection of these distance measures. It can serve as a visualization- and evaluation-tool for the behavior of different distance measures on time series data.