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An integrated spatio-temporal GIS toolkit for exploring intra-household interactions

机译：集成的时空GIS工具包，用于探索家庭内部的互动

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摘要

This paper reports on the development of an integrated spatio-temporal GIS toolkit that facilitates the exploration of intra-household interactions. Two tools comprise the toolkit. The first tool, Space-Time Coincidence Analyst, identifies joint activity/travel episodes undertaken by household members. The core of this tool is a set of flexible criteria for classifying episodes as either joint or independent. The second tool, Space-Time Path Visualizer, not only displays space-time paths for household members, but also shows joint episodes undertaken by any two household members together. The toolkit can be applied to any household-based, activity/travel data set so long as required information is specified by the user. To demonstrate its usefulness for research, the toolkit is applied to the TAPS (Toronto Activity Panel Survey) 2002-03 data set. The results suggest that considerable variation exists in the number of joint activity/travel episodes identified using different classification criteria. Specifically, when using restrictive criteria (i.e., same timing, specific activity type/travel mode), only 2,265 joint activity/travel episodes are identified compared to 8,791 when using more flexible criteria. In turn, our results show that certain key attributes for independent and joint activity/travel episodes (i.e., frequency per household, starting time, ending time and duration) also vary under the different classification criteria.
机译：本文报告了集成时空GIS工具包的开发情况，该工具包有助于探索家庭内部的相互作用。该工具包包含两个工具。第一个工具是时空重合分析器，用于识别家庭成员进行的联合活动/旅行。该工具的核心是一套灵活的标准，可将事件分为联合事件或独立事件。第二个工具是“时空路径可视化工具”，它不仅显示家庭成员的时空路径，而且还显示任何两个家庭成员一起进行的联合情节。该工具包可以应用于任何基于家庭的活动/旅行数据集，只要用户指定了所需信息即可。为了证明其对研究的有用性，该工具包被应用于TAPS（多伦多活动小组调查）2002-03数据集。结果表明，使用不同的分类标准确定的关节活动/旅行发作次数存在很大差异。具体而言，当使用限制性标准（即相同的时间，特定活动类型/旅行模式）时，与使用更灵活的标准时的8,791个相比，仅识别出2265个关节活动/旅行事件。反过来，我们的结果表明，独立和联合活动/旅行事件的某些关键属性（即，每个家庭的频率，开始时间，结束时间和持续时间）在不同的分类标准下也有所不同。

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