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Where Have You Been Today? Annotating Trajectories with DayTag

机译:您今天去哪里了?使用DayTag注释轨迹

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Traditionally, the information about human mobility behavior, called diary, is acquired from volunteers by means of paper-and-pencil surveys. These diaries, representing the mobile activities of individuals, are semantically rich, but lack in spatial and temporal precision. An alternative way is collecting diaries by annotating with activities the GPS tracks of individuals. This is more accurate from a spatio-temporal point of view, but the manual annotation becomes a burdensome work for the user. The tool we propose, called DayTag, is designed as a personal assistant to help an individual to reconstruct her/his diary from the GPS tracks collected by a smartphone. The user interacts through the software to visualize and annotate the trajectories, thus resulting in a simple way to get user diaries.
机译:传统上,有关人员流动行为的信息(称为日记)是通过纸笔调查从志愿者那里获得的。这些代表个人移动活动的日记在语义上很丰富,但缺乏时空精度。另一种方法是通过在活动中注释个人的GPS轨迹来收集日记。从时空的观点来看,这是更准确的,但是手动注释对于用户来说成为繁重的工作。我们建议使用的名为DayTag的工具是作为个人助手设计的,可以帮助个人从智能手机收集的GPS轨迹中重建自己的日记。用户通过软件进行交互以可视化和注释轨迹,从而以一种简单的方式获取用户日记。

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