Today, search engine is the most commonly used tool for Web information retrieval, data mining may discover knowledge in large data. With the era of information and digital of media, Web data mining is becoming one of the hottest topics. By combining information retrieval technology with data mining technology, a prototype system of search engine is designed and implemented in this paper. It can group Web search results in a semantic, online and tree way, in order to help users find relevant Web information easier and faster.
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