影子电话:用于灾难管理的上下文感知设备复制

C. Shih, Trang-Khon Trieu
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引用次数: 2

摘要

传统的灾害预警系统提供灾害事件的一般信息,并向所有人广播。这种简单的方法采用单向通信模型,其中信息始终以单一方向从服务器端传输到客户端。然而,为了更好地支持灾害预警和救援,系统应该通过生成依赖于用户上下文的信息来利用信息性内容。移动计算设备是便携式的,配备了异构传感器,并且能够提供由这些传感器收集的许多信息。通过收集到的信息,灾害管理系统可以指导用户逃离灾害。为了实现这一理念,系统需要大量的计算能力来定制信息以满足大量用户的需求,因此云计算是实现这一理念的关键技术。在这项工作中,我们提出了两个重要特征:(1)上下文感知传输策略,根据数据优先级、电池电量和网络数据速率控制如何有效传输数据;(2)支持移动交互应用模型的架构,其中客户端和服务器可以以自主的方式相互交互。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Shadow phone: Context aware device replication for disaster management
Traditional disaster warning systems provide general information of disaster events and broadcast to all people. This simple approach adopts one-way communication model in which information is always transferred in a single direction from server-side to client-side. However, for better support of disaster warning and rescue, the system is supposed to leverage informative content by producing user-context dependent information. Mobile computing devices are portable and equipped with heterogeneous sensors and are able to provide many information collected by these sensors. With the collected information, the disaster management system can instruct the users to get away from the disaster. To achieve this idea, the system requires lots of computing power to customize information to meet demands of large-numbers of users, therefore, cloud computing is the key technology that contributes to the idea implementation. In this work, we propose two important features: (1) context-aware transmission policy which controls how to transmit data efficiently according to data priority, battery level and network data rate; (2) an architecture that supports the model of mobile interactive applications in which clients and servers can interact with each other in an autonomic manner.
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