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Research and Implementation on Removing Duplicated WebPages Algorithm of Search Engine

Author: LvXia
Tutor: JuShiGuang
School: Jiangsu University
Course: Applied Computer Technology
Keywords: Search engine PageRank Hyperlinks De-emphasis Page Sort Lucene
CLC: TP391.3
Type: Master's thesis
Year: 2009
Downloads: 203
Quote: 6
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Abstract


Web mining is the knowledge of the times that people need to acquire knowledge from a large amount of information . For search engines , Web mining technology plays an important role in the development of the third generation of search engines , but also to promote the network access to information technology to the development of high-precision , intelligent direction . Search engines also bring convenience to the user to access information while the user into the dilemma of information overload . How to make full use of network resources , more efficient , more accurate information to the user , which has become the hot issue of the search engine technology . In this paper, a number of key technologies in the search engine system more in - depth studies , mainly to do the following work : ( 1 ) a go heavy K-CC algorithm based on keywords and signature page . Emphasis on technical analysis and several generic based on proposed based on keywords and signature page to go heavy K-CC algorithm , and the other two commonly used algorithms - URL algorithm based punctuation algorithm experimental comparison , the experimental results show that the algorithm is better than these two algorithms . ( 2) analysis at home and abroad in several mainstream Web sorting algorithm , such as the PageRank algorithm the improved algorithm , WTPR , algorithm , and their advantages and disadvantages are analyzed ; against Lucene does not take into account the sort of document and temporal problems in design Lucene to achieve a WTPR algorithm module . (3 ) pages go heavy K-CC algorithm module embedded into Lucene , designed and implemented the experimental system based on the Lucene search engine . Experimental results show that the improved system performance is better than the original system .

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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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