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本文试图对信息提取作一比较全面的概述,以期使读者对它有一个较为综合的了解。内容包括信息提取的含义、技术目标、实际背景和现状,以及其中涉及到的主要技术环节、工程内容和难点等。并由此明确信息提取作为一门语言应用工程技术的定位和实际工作策略。
This article attempts to give a more comprehensive overview of information extraction, in order to make readers have a more comprehensive understanding of it. Content includes the meaning of information extraction, technical objectives, the actual background and the status quo, as well as the major technical aspects involved, the project content and difficulties. And thus clear information extraction as a language application engineering technology positioning and practical work strategy.