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摘要: 介绍了网页可达性原理、一种知识建模方法以及知识模型与网页知识之间的映射机制;阐述了知识型网络爬虫的组件及其实施的关键技术,提出了一种知识相关度计算模型,可计算页面的知识含量.这种知识提取方法可用于构建新一代智能搜索引擎.Abstract: Web page arrival principles,a knowledge modeling method,and a mapping mechanism between the model and pages were introduced. The main components of knowledge-based Crawler and its several key implementation techniques were presented. A knowledge relativity model was offered. This knowledge extraction method is useful to build next generation intelligent search engine.
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