We have already taken some steps along this journey: much of the digital media we create can now be "tagged", that is, assigned keywords which provide context and semantic value for the media.

我们已经在这次征程之中迈开了步子：大多数我们创造的数字媒体现在都能贴上标签(即为媒体提供背景和语义价值的某些特定关键词)，让人们识别。

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Top-down semantic technologies need to work without publishers doing anything; and so to infer context, contextual technologies integrate into the browser.

自顶向下的语义技术不需要发布者做任何事情，因而可以想像上下文、文本工具可以结合在浏览器里。

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The semantic connection between elements in models across abstraction boundaries are of particular interest in the context of MDA.

抽象边界上模型中单元之间的语义连接对 MDA 的环境是特别感兴趣的。

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