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A brute force method for spatially-enhanced multivariate facet analysis

机译:用于空间增强的多维构面分析的蛮力方法

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Faceted search is a common approach for helping users query multivariate data. While the method is found widely in contemporary tools, so far there has been little exploration of its potential to incorporate a spatial perspective. In this article we extend multivariate faceted search through the application of a brute force computational process to reveal facet combinations that have spatially-interesting results. We explore the potential utility of spatially-enhanced facet combinations in case study analyses of multivariate spatial data from learners in a massive open online course and multivariate spatial data from restaurant inspections. Spatially-enhanced facet combinations improve on ordinary faceted search by helping analysts understand which combinations have significant spatial footprints. We also show how this method can be integrated into a geovisual analytics system through a simple user interface. Finally, we draw on our case study analyses to highlight important challenges and opportunities for future research.
机译:分面搜索是帮助用户查询多元数据的常用方法。尽管该方法在当代工具中得到了广泛的发现,但迄今为止,几乎没有探索其结合空间角度的潜力。在本文中,我们通过蛮力计算过程的应用扩展了多面面搜索,以揭示具有空间有趣结果的面组合。我们在大量开放的在线课程中对学习者的多元空间数据进行案例分析以及从餐厅检查中获取多元空间数据的案例研究中,探索了空间增强方面组合的潜在用途。通过帮助分析人员了解哪些组合具有显着的空间足迹,空间增强的构面组合可以改善常规的构面搜索。我们还将展示如何通过简单的用户界面将此方法集成到地理视觉分析系统中。最后,我们利用案例研究分析来突出重要的挑战和未来研究的机会。

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