Similarity measures for trajectory of moving objects in cellular space

  • Authors:
  • Hye-Young Kang;Joon-Seok Kim;Ki-Joune Li

  • Affiliations:
  • Pusan National University, South Korea;Pusan National University, South Korea;Pusan National University, South Korea

  • Venue:
  • Proceedings of the 2009 ACM symposium on Applied Computing
  • Year:
  • 2009

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Abstract

While most GIS (Geographical Information System) are based on Euclidean space, cellular space can be used as an alternative type of space for a large number of GIS applications. In order to analyze the pattern of moving objects in cellular space, we need new definitions of similarity between their trajectories since the trajectories in cellular space significantly differ from those in Euclidean space. In this paper, we study the properties of moving object in cellular space. Based on these observations, we propose several similarity measures between trajectories in cellular space. We analyze the differences of the proposed measures by experiments.