This paper briefly introduces the classification of words and part-of-speech tagging, then introduces a computer model of syntactic processing: context-free grammar.

本文将简要介绍单词的分类与词类标注的相关内容，在此基础上介绍句法处理的一个计算机模型：上下文无关语法。

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With the industry's unlimited fastest tagging in the Free and premium Encore Apps on iOS and Android devices, Shazam is the best way for people to discover, explore, buy, and share more music, TV shows and branded content they love.

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Start-up Viewdle has new free app, SocialCamera, that it believes has a major differentiator: auto-tagging.

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