Interacting with Threaded Event Scenarios

线索事件网络是一种类似超文本的结构，PI以前曾在三个领域（科学教育，叙事和数字保存）中探索过，采用不同但相关的形式主义：定性因果图，情节单位和角色活动图。 虽然这些形式主义似乎是普遍有效的，但它们比简单的节点和链接超文本复杂得多。 此外，事件网络通常与文本段落相关联，并且通常旨在用于教育用途，其中预期沿着不同路径重复导航通过网络。 在这些情况下，为了使形式主义对用户有效，用户访问的方便性至关重要。 在这个项目中，PI将扩展他在线程事件场景方面的工作，以解决接口问题并开发支持导航地标，通过将复合超文本应用于复杂领域，进一步开发他早期工作创建或建议的时间轴工具包。 他将开发更具互动性和适应性的演示文稿，使用户能够从活动网络内已建立的导游图尔斯中分支，随着用户对网络的熟悉程度提高，可以调整所呈现的地标，为用户提供背景。 作者和其他用户还可以向事件网络添加注释，甚至是结构化的元评论，并支持对话管理和修辞结构。 PI将进行三个级别的评估：低级工具，高级任务中工具的使用，以及作为发展社区讨论科学和历史的基础。更广泛的影响：由于因果关系的讨论在科学和历史等不同领域非常普遍，因此突出和探索事件网络的工具可能具有广泛的应用。这些工具应该帮助学生发展更丰富的概念理解的科学和历史事件。 这些工具也可以被公众用来创建关于历史的讨论网站，它们应该对实践科学家，历史学家，档案学家和系谱学家有用。

Threaded event networks are hypertext-like structures which the PI has previously explored in three domains (science education, narratives, and digital preservation) employing distinct but related formalisms: qualitative causal maps, plot units, and role-activity diagrams. While these formalisms appear to be generally effective, they are considerably more complex than simple node-and-link hypertext. Moreover, event networks are often associated with text passages and are often intended for educational uses where repeated navigation through the network following different paths is to be expected. In these contexts, ease of user access is crucial in order for the formalisms to be effective for users. In this project, the PI will extend his work on threaded event scenarios to address interface issues and develop supporting navigational landmarks, by applying composite hypertexts to complex domains to further develop timeline toolkits that his earlier work have created or suggested. He will develop more interactive and adaptive presentations, which allow users to branch from established guided tours within the event networks, and which, as the users gain greater familiarity with the network, enable adjustment of the landmarks that are presented to provide context for the users. Authors and other users will also be able to add annotations, and even structured meta-comments, to the event networks, for which dialog management and rhetorical structures will be supported. The PI will conduct three levels of evaluations: for the low-level tools, for the use of the tools in high-level tasks, and as the basis for developing communities discussing science and history. Broader Impacts: Because discussion of causation is so common in areas as diverse as science and history, tools to highlight and explore event networks potentially have a wide range of applications. These tools should help students to develop richer conceptual understanding of events in science and history. The tools may also be used by the public to create discussion sites about history, and they should be useful for practicing scientists, historians, archivists, and genealogists.