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viexpl - 临时测试版

针对一个数据视图(数据子集,由若干行列构成),(讨论输入视图到底是什么,是否包含聚合信息),使用预设的固定类型的洞察检测算子进行检测。最终生成视图对应在每个洞察类型上的显著性评分,和该洞察的一些具体的信息(如异常值、周期、和全局分布差异大的子分部等)

测试地址 https://gateway.kanaries.cn:2433/insight

接口

传入参数

interface IStartSerive {
    dataSource: IRowp[];
    fields: IColumnp[];
    check_list: string[];(需要计算的洞察类型列表,默认为全部)
    breakdown: string[];(默认为区分度最大维度)
    aggrType: string;(默认为mean)
    subspaces: Array<IRowp[]>;(默认为最大子空间)
    rangeN: int;(默认为5)
}

返回

interface IStartReturns {
    success: boolean;
    data: Array<insightTypes: (insightTypes为洞察类型,与check_list输入对应)
        {
            'score':score,
            'para':
            {
                para(画图相关参数)
                'explain':string;(描述文本)
            }
        }>
}

洞察类型整理

解读.png图片

参考文献

参考资料 [1] Tang, Bo, et al. "Extracting top-k insights from multi-dimensional data." Proceedings of the 2017 ACM International Conference on Management of Data. 2017.

[2] Ding, Rui, et al. "Quickinsights: Quick and automatic discovery of insights from multi-dimensional data." Proceedings of the 2019 International Conference on Management of Data. 2019.

[3] Mihart, Maggies, MSFTmgblythe. 2021. Types of insights supported by Power BI. Accessed at https://docs.microsoft.com/en-us/power-bi/consumer/end-user-insight-types

[4] T. Sellam, E. Müller and M. Kersten, "Semi-automated exploration of data warehouses," in 2015, . DOI: 10.1145/2806416.2806538.

[5] Ma, Pingchuan, et al. "MetaInsight: Automatic Discovery of Structured Knowledge for Exploratory Data Analysis." Proceedings of the 2021 International Conference on Management of Data. 2021.

[6] Saket, Bahador, Alex Endert, and Çağatay Demiralp. "Task-based effectiveness of basic visualizations." IEEE transactions on visualization and computer graphics 25.7 (2018): 2505-2512.

[7] Amar, Robert, James Eagan, and John Stasko. "Low-level components of analytic activity in information visualization." IEEE Symposium on Information Visualization, 2005. INFOVIS 2005.. IEEE, 2005.

Milestones

  • 可行性验证
  • baseline方案实现
  • 工程优化
    • 并发量可扩展性
    • 维护Session,避免反复传输&解析
    • websocket实现session
  • 可解释性优化
  • 评分机制优化

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