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Self-Directed Creation and Editing of UML Class Diagrams on Mobile Devices for Visually Impaired People

机译:在视力障碍人士的移动设备上自行创建和编辑UML类图

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Visually impaired people (VIP) face difficulties interacting with information that rely heavily on visuals such as diagrams. In this paper, we focus on improving the accessibility of class diagrams based on the Unified Modeling Language (UML). UML is a widely used standard for modelling software. While the creation of such diagrams is often done with graphic editors, multiple text-based approaches can be used by VIP. This paper proposes a novel interaction pattern by not solely relying on textual input. We leverage existing accessibility tools provided in current mobile devices and extend the device with a cost-effective physical guide. We compare our prototype to a textual modelling language (TML), namely PlantUML. The tests show that our solution is in many cases more suitable for new users since it lowers the learning curve significantly compared to TMLs. It also provides a benefit to VIP users with prior knowledge of a TML, especially when reading and navigating diagrams.
机译:视障人士(VIP)在与严重依赖视觉效果(例如图表)的信息进行交互时会遇到困难。在本文中,我们着重于改进基于统一建模语言(UML)的类图的可访问性。 UML是用于建模软件的广泛使用的标准。虽然通常使用图形编辑器来创建此类图,但是VIP可以使用多种基于文本的方法。本文提出了一种不仅仅依靠文本输入的新颖交互模式。我们利用当前移动设备中提供的现有辅助功能工具,并通过具有成本效益的物理指南来扩展设备。我们将原型与文本建模语言(TML)(即PlantUML)进行比较。测试表明,与TML相比,我们的解决方案在许多情况下更适合新用户,因为它大大降低了学习曲线。它还为具有TML知识的VIP用户提供了一个好处,尤其是在阅读和浏览图表时。

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