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    Representing positional uncertainty of individual and aggregated trajectories of moving objects

    Access Status
    Fulltext not available
    Authors
    García, M.
    Ivanova, Ivana
    Dilo, A.
    Morales, J.
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    García, M. and Ivanova, I. and Dilo, A. and Morales, J. 2013. Representing positional uncertainty of individual and aggregated trajectories of moving objects, SIGSPATIAL'13, 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, pp. 426-429.
    Source Title
    GIS: Proceedings of the ACM International Symposium on Advances in Geographic Information Systems
    Source Conference
    SIGSPATIAL'13, 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
    DOI
    10.1145/2525314.2525454
    ISBN
    9781450325219
    School
    School of Earth and Planetary Sciences (EPS)
    URI
    http://hdl.handle.net/20.500.11937/61821
    Collection
    • Curtin Research Publications
    Abstract

    Trajectories are used to represent objects' movement and spatio-temporal aggregation of trajectories is commonly used in knowledge discovery. Based on a general workflow to extract knowledge, we identify relevant factors that propagate uncertainty in moving object datasets when using aggregation. We use a probabilistic approach and propose a theoretical model to represent positional uncertainty of trajectories and their aggregation, and implement a prototype system to compute positional uncertainty in pedestrians' movement data. © 2013 Authors.

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