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Event-based concepts for user-driven visualization

机译:基于事件的概念,用于用户驱动的可视化

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Visualization has become an increasingly important tool to support exploration and analysis of the large volumes of data we are facing today. However, interests and needs of users are still not being considered sufficiently. The goal of this work is to shift the user into the focus. To that end, we apply the concept of event-based visualization that combines event-based methodology and visualization technology. Previous approaches that make use of events are mostly specific to a particular application case, and hence, can not be applied otherwise. We introduce a novel general model of event-based visualization that comprises three fundamental stages. (1) Users are enabled to specify what their interests are. (2) During visualization, matches of these interests are sought in the data. (3) It is then possible to automatically adjust visual representations according to the detected matches. This way, it is possible to generate visual representations that better reflect what users need for their task at hand. The model's generality allows its application in many visualization contexts. We substantiate the general model with specific data-driven events that focus on relational data so prevalent in today's visualization scenarios. We show how the developed methods and concepts can be implemented in an interactive event-based visualization framework, which includes event-enhanced visualizations for temporal and spatio-temporal data.
机译:可视化已成为越来越重要的工具,可用于支持探索和分析我们当今面临的大量数据。但是,仍然没有充分考虑用户的兴趣和需求。这项工作的目标是将用户转移到焦点上。为此,我们应用了基于事件的可视化的概念,该概念结合了基于事件的方法和可视化技术。利用事件的先前方法大多特定于特定的应用程序案例,因此不能以其他方式应用。我们介绍了一个新的基于事件的可视化的通用模型,该模型包括三个基本阶段。 (1)使用户能够指定他们的兴趣。 (2)在可视化期间,在数据中寻找这些兴趣的匹配。 (3)然后可以根据检测到的匹配自动调整视觉表示。这样,可以生成视觉表示,以更好地反映用户对其手头任务的需求。该模型的通用性使其可以在许多可视化上下文中应用。我们用特定的数据驱动事件来证明通用模型,这些事件集中在当今可视化场景中如此普遍的关系数据上。我们展示了如何在基于事件的交互式可视化框架中实现开发的方法和概念,该框架包括针对时间和时空数据的事件增强的可视化。

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