Spatio-temporal data reduction with deterministic error bounds

@article{Cao2003SpatiotemporalDR,
  title={Spatio-temporal data reduction with deterministic error bounds},
  author={Hu Cao and Ouri Wolfson and Goce Trajcevski},
  journal={The VLDB Journal},
  year={2003},
  volume={15},
  pages={211-228}
}
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal Digital Assistants become location-aware, the size of the spatio-temporal information generated may prohibit efficient processing. We propose to adopt a technique studied in computer graphics, namely line-simplification, as an approximation technique to solve this problem. Line simplification will reduce the size of the… CONTINUE READING

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