| Web信息抽取 |
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| 引用本文： | 李晶 陈恩红. Web信息抽取[J]. 计算机科学, 2003, 30(6): 78-81 |
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| 作者姓名： | 李晶 陈恩红 |
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| 作者单位： | 中国科学技术大学计算机系,合肥,230027 |
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| 基金项目： | 安徽省自然科学基金(01042302)资助 |
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| 摘 要： | With the tremendous amount of information available on the Web,the ability to quickly obtain information has become a crucial problem.It is not enough for us to acquire information only with Web information retrieval technology.Therefore more and more people pay attention to Web information extraction technology.This paper first introduces some concepts of information extraction technology,then introduces and analyzes several typical Web information extraction methods based on the differences in extraction patterns.
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| 关 键 词： | Web 信息抽取 信息搜索 互联网 信息资源 搜索引擎 |
Web Information Extraction |
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| LI Jing CHEN En-Hong. Web Information Extraction[J]. Computer Science, 2003, 30(6): 78-81 |
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| Authors: | LI Jing CHEN En-Hong |
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| Abstract: | With the tremendous amount of information available on the Web, the ability to quickly obtain information has become a crucial problem. It is not enough for us to acquire information only with Web information retrieval technology.Therefore more and more people pay attention to Web information extraction technology. This paper first introduces some concepts of information extraction technology, then introduces and analyzes several typical Web information extraction methods based on the differences in extraction patterns. |
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| Keywords: | Information extraction Information retrieval Semi-structured text Extraction pattern XML |
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