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A content search system considering the activity and context of a mobile user

机译:一种考虑移动用户的活动和上下文的内容搜索系统

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摘要

People routinely carry mobile devices in their daily lives and obtain a variety of information from the Internet in many different situations. In searching for information (content) with a mobile device, a user's activity (e.g., moving or stationary) and context (e.g., commuting in the morning or going downtown in the evening) often change, and such changes can affect the user's degree of concentration on his or her mobile device's display and information needs. Therefore, a search system should provide the user with an amount of information suitable for the current activity and a type of information suitable for the current context. In this study, we present the design and implementation of a content search system that considers a mobile user's activity and context, with the goal of reducing the user's operation load for content search. The proposed system switches between two kinds of content search systems according to the user's activity: the location-based content search system is activated when the user is stationary (e.g., standing and sitting), while a menu-based content search system is activated when the user is moving (e.g., walking). Both systems present information according to user context. The location-based system presents detailed information via menus and a map according to location-based categories. The menu-based system presents only a few options to enable users to get content easily. Through user experiments, we confirmed that participants could get desired information more easily with this system than with a commercial search system.
机译:人们在日常生活中例行携带移动设备,并在许多不同情况下从Internet获得各种信息。在使用移动设备搜索信息(内容)时,用户的活动(例如,移动或静止)和上下文(例如,早上通勤或晚上去市中心)经常会发生变化,并且这种变化会影响用户的活动程度专注于他或她的移动设备的显示和信息需求。因此,搜索系统应向用户提供适合于当前活动的信息量和适合于当前上下文的信息类型。在这项研究中,我们提出了一种内容搜索系统的设计和实现,该系统考虑了移动用户的活动和上下文,目的是减少用户用于内容搜索的操作负荷。所提出的系统根据用户的活动在两种内容搜索系统之间切换:当用户静止时(例如,站立和坐着),基于位置的内容搜索系统被激活;而当用户静止时,基于菜单的内容搜索系统被激活。用户正在移动(例如,步行)。两个系统都根据用户上下文显示信息。基于位置的系统根据基于位置的类别通过菜单和地图显示详细信息。基于菜单的系统仅显示一些选项,以使用户能够轻松获取内容。通过用户实验,我们确认,与使用商业搜索系统相比,使用该系统参与者可以更轻松地获取所需信息。

著录项

  • 来源
    《Personal and Ubiquitous Computing》 |2013年第5期|1035-1050|共16页
  • 作者单位

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan KDDI R&D Laboratories Inc. 2-1-15 Ohara, Fujimino, Saitama, Japan;

    KDDI R&D Laboratories Inc. 2-1-15 Ohara, Fujimino, Saitama, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

    Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Mobile device; Context awareness; Mobile information access; Content search;

    机译:移动设备;上下文意识;移动信息访问;内容搜寻;

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