A Database for Repetitive, Unpredictable Moving Objects

  • Authors:
  • Paul Werstein;J. R. McDonald

  • Affiliations:
  • -;-

  • Venue:
  • DEXA '02 Proceedings of the 13th International Conference on Database and Expert Systems Applications
  • Year:
  • 2002

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Abstract

Recently much research has been done in applying database technology to tracking moving objects. Most techniques assume a predictable linear motion. We present a new application for moving object databases, characterized by repetitive, unpredictable motion with very high data rates. In particular, the domain of athletic and auto races is presented. We found existing moving object methods do not adequately address this application area. A data model is presented for efficiently storing the data. A spatiotemporal index is developed for fast retrieval of data. We give a set of queries likely to be of interest in this application domain. A study is presented showing our implementation has better performance than those based on relational DBMSs.