Public transportation agencies call for an intuitive, interactive, and reusable visualization tool to detect patterns of crime (i.e. pickpockets and gangs) or missing commuters on public transportation systems. Few existing visualization techniques have visually explored mobility correlations of targets and their companions, who are characterized in diverse mobility types, by using discrete travel hints extracted from a massive amount of data. To fill this gap, a visual analytical system is provided to conduct a group-based and individual-based exploration of mobility correlations of passengers of interest, based on an auto integration of multiple queries. How passengers differ from or correlate with each other are further examined based on their spatiotemporal distributions in trajectories and ODs. Real-world case studies, as well as user feedback made by 30 participants, demonstrate the effectiveness of the system in detecting specific targets and their companions featured in diverse mobility types, or in characterizing their spatiotemporal aggregation patterns for a further tracking on public transportation systems.


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    Titel :

    Interactive Visual Exploration of Human Mobility Correlation Based on Smart Card Data


    Beteiligte:
    Zhao, Xia (Autor:in) / Zhang, Yong (Autor:in) / Hu, Yongli (Autor:in) / Wang, Shun (Autor:in) / Li, Yunhui (Autor:in) / Qian, Sean (Autor:in) / Yin, Baocai (Autor:in)


    Erscheinungsdatum :

    2021-08-01


    Format / Umfang :

    7150888 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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