Visual querying of semantically enriched movement data

Florian Haag, Robert Krüger, Thomas Ertl

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Visual data exploration is used to reveal unknown patterns that, however, need to be validated, refined, and extracted for a final presentation and reporting. We contribute VESPa, a pattern-based visual query language for event sequences. With VESPa, analysts can formulate hypotheses gained and query the data for matches. In an interative analysis loop the pattern can be altered with further restrictions to narrow down the result set. Our language allows for (1) hypothesis expression and refinement, (2) visual querying, and (3) knowledge externalization. We focus on semantically enrichend movement data, used in law enforcement, consumer, and traffic analysis. To evaluate the applicability we present two case studies as well as a user study consisting of comprehensive and composition tasks.

    Original languageEnglish (US)
    Title of host publicationComputer Vision, Imaging and Computer Graphics Theory and Applications - 11th International Joint Conference, VISIGRAPP 2016, Revised Selected Papers
    EditorsAlexandru Telea, Paul Richard, Lars Linsen, Jose Braz, Sebastiano Battiato, Nadia Magnenat-Thalmann, Francisco Imai
    PublisherSpringer Verlag
    Pages242-263
    Number of pages22
    ISBN (Print)9783319648699
    DOIs
    StatePublished - 2017
    Event11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, VISIGRAPP 2016 - Rome, Italy
    Duration: Feb 27 2016Feb 29 2016

    Publication series

    NameCommunications in Computer and Information Science
    Volume693
    ISSN (Print)1865-0929

    Conference

    Conference11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, VISIGRAPP 2016
    Country/TerritoryItaly
    CityRome
    Period2/27/162/29/16

    Keywords

    • Semantic movement analysis
    • Visual query language

    ASJC Scopus subject areas

    • General Computer Science
    • General Mathematics

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