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Geovisualization Environment for Spatio-temporal Trajectory of Personal Activity  

Ahn Jae-Seong (Department of Geography, College of Social Sciences, Seoul National University)
Lee Yang-Won (Center for Spatial Information Science, The University of Tokyo)
Park Key-Ho (Department of Geography, College of Social Sciences, Seoul National University)
Publication Information
Journal of the Korean Geographical Society / v.40, no.3, 2005 , pp. 310-320 More about this Journal
Abstract
This study attempts at prototyping and evaluating a geovisualization tool that summarizes and explores human activity patterns using spatio-temporal trajectory data collected from GPS receiver. A set of core conceptualization developed in 'time geography' is successfully represented by our prototype based on the notion of 'space-time cube.' The notions of 'temporal dispersion cylinder' and 'parallel plane plot' are also implemented to allow funker analyses of human activity pattern on the space-time trajectory. The capabilities of the geovisualization environment we proposed include the interactive and dynamic functions that support a variety of explorations on the three components of spatio-temporal data : space(where), time(when), and object(what).
Keywords
Geovisualization; Time Geography; Spatio-temporal Data; GIS; GPS;
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