the viability of using automation for decision-making is dependent on the context - a fact of which frighteningly few IT-system designers seem to be aware

在制定决策的时候使用自动化的方式是否可行，要依赖于具体的环境，让我吃惊的是，似乎很少有IT系统设计师了解这个事实。

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The major works of this paper are listed as follows. Design a context-aware middleware and implement a prototype system.

本文的主要工作涉及以下几个方面：设计了一种上下文感知中间件，并实现了原型系统。

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But system, which provides knowledge searching service isn't aware of users' context information, such as location, profile, time, and so on.

因此，通过上下文知晓为用户提供合适的知识查找服务是一个重要的研究课题，具有深远的理论意义和实用价值。

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