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    Oui! Outlier Interpretation on Multi-dimensional Data via Visual Analytics

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    Date
    2019
    Author
    Zhao, Xun
    Cui, Weiwei
    Wu, Yanhong
    Zhang, Haidong
    Qu, Huamin ORCID
    Zhang, Dongmei
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    Abstract
    Outliers, the data instances that do not conform with normal patterns in a dataset, are widely studied in various domains, such as cybersecurity, social analysis, and public health. By detecting and analyzing outliers, users can either gain insights into abnormal patterns or purge the data of errors. However, different domains usually have different considerations with respect to outliers. Understanding the defining characteristics of outliers is essential for users to select and filter appropriate outliers based on their domain requirements. Unfortunately, most existing work focuses on the efficiency and accuracy of outlier detection, neglecting the importance of outlier interpretation. To address these issues, we propose Oui, a visual analytic system that helps users understand, interpret, and select the outliers detected by various algorithms. We also present a usage scenario on a real dataset and a qualitative user study to demonstrate the effectiveness and usefulness of our system.
    BibTeX
    @article {10.1111:cgf.13683,
    journal = {Computer Graphics Forum},
    title = {{Oui! Outlier Interpretation on Multi-dimensional Data via Visual Analytics}},
    author = {Zhao, Xun and Cui, Weiwei and Wu, Yanhong and Zhang, Haidong and Qu, Huamin and Zhang, Dongmei},
    year = {2019},
    publisher = {The Eurographics Association and John Wiley & Sons Ltd.},
    ISSN = {1467-8659},
    DOI = {10.1111/cgf.13683}
    }
    URI
    https://doi.org/10.1111/cgf.13683
    https://diglib.eg.org:443/handle/10.1111/cgf13683
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    Eurographics Association copyright © 2013 - 2023 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA