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Study and Actualization of Information Filtering in Professional Search Engine

Author: LiShiMing
Tutor: ZhaoHengYong
School: Beijing University of Chemical Technology
Course: Applied Computer Technology
Keywords: Search Engine Information Filtering PageRank Vector space model
CLC: TP391.3
Type: Master's thesis
Year: 2005
Downloads: 338
Quote: 5
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Abstract


With the increasing popularity of the network and Internet information resource library widely used , more and more people to network information retrieval as an important means of obtaining information daily . In order to more accurately and efficiently find what they need specific network information, the establishment of a specific type or a professional online information retrieval tools - specialized search engines, information retrieval has become an urgent need for the network . Currently thousands of search engine results , but not a good reflection of the needs of users , there is a problem of information overload . If the search engine pages in accordance with the value and relevance of user-submitted questions to sort the search results , then to alleviate the burden on the user , to improve the retrieval efficiency will undoubtedly have a significant role. Therefore, information filtering module ( including page rank ) has become a core component of the search engine . In this thesis, the classical information filtering algorithm based on research and analysis , combined with a page's importance and relevance , given a special search engine information filtering module design ideas and implementation strategies , and in the specialized vocabulary , query expansion and user feedback and other aspects of the algorithm has been improved and expanded . Finally, the system implementation plan , and the prospect of future work to do . Authors designed the information filtering module is being implemented , has been with the other modules of the professional search engine to good effect.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Retrieval machine
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