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Accessing information on demand at any location. Mobile information access

机译：在任何位置按需访问信息。移动信息访问

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As users become more dependent on the ability to access information on demand at any location, the span of access of data repositories will have to grow. The increasing social acceptance of the home or any other location as a place of work is a further impetus to the development of mechanisms for mobile information access. These considerations imply that data from shared file systems, relational databases, object-oriented databases, and other repositories must be accessible to programs running on mobile computers. For example, a technician servicing a jet engine on a parked aircraft needs access to engineering details of that model of engine as well as past repair records of that specific engine. Similarly, a businessman who is continuing his work on the train home from Manhattan needs access to his business records. Yet another example involves emergency medical response to a case of poisoning: the responding personnel will need rapid access to medical databases describing poison symptoms and antidotes, as well as access to the specific patient's medical records to determine drug sensitivity. This article is a status report on the work being done toward meeting such challenges. It begins by describing a scenario that offers a tantalizing glimpse of the power of mobile information access. The major obstacles on the path toward this vision are then examined. It also includes a summary of research on overcoming these obstacles in the context of the Coda and Odyssey systems.
机译：随着用户越来越依赖于在任何位置按需访问信息的能力，数据存储库的访问范围将不得不扩大。人们越来越多地接受家庭或其他任何地方作为工作场所，这进一步推动了移动信息访问机制的发展。这些考虑意味着来自共享文件系统，关系数据库，面向对象的数据库和其他存储库的数据必须可在移动计算机上运行的程序访问。例如，为停放的飞机上的喷气发动机服务的技术人员需要访问该发动机模型的工程详细信息以及该特定发动机的过去维修记录。同样，正在曼哈顿继续在火车回家中工作的商人需要访问他的业务记录。另一个示例涉及对中毒事件的紧急医疗响应：响应人员将需要快速访问描述毒物症状和解毒剂的医学数据库，并需要访问特定患者的病历以确定药物敏感性。本文是有关为应对此类挑战而正在进行的工作的状态报告。它首先描述了一个场景，该场景提供了对移动信息访问功能的深刻了解。然后考察了实现这一愿景的主要障碍。它还总结了关于在Coda和Odyssey系统中克服这些障碍的研究的摘要。

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