搜索算法與搜索引擎的研究與應(yīng)用.pdf

1、武漢理工大學(xué)碩士學(xué)位論文搜索算法與搜索引擎的研究與應(yīng)用姓名：高凌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：熊前興20070501武漢理工大學(xué)硬士學(xué)位論文AbstractWiththerapidlydevelopmentoftheInternetandInformationhowtoacquiretheknowledgethatneedforusformtheinformationseaisbecomingaproblemneedt

2、OberesolvedurgentlyHenceforsatisfytheInformationIndextosearchenginetechniqueandthenemergewit1thetideofthetimesdemandinglyRecentlytherearesomesearchengines，forinstanceGoogle，theBaiduetc，butthesearchenginetechnicalisjustbe

3、ginningandtherearemanyproblemswaitingforresolvingOneproblemishowtaisetheRecallofasearchengine，asweknowtheHiddenWebandDynamicWebPageisbecominganimportpartoftodaysIntemetandhowtoobtainthiskindofinformationbecomesane％vtopic

4、fortheSearchEngineNetworkRobot(WebCrawler)AnotherproblemisthePrecisionofasearchengineTheresolvesofthisproblemismainlydependonraisingtheaccuracyofWordSplitTwostandardsofevaluatingasearchenginea∞RecallandPrecisionThisthesi

5、swillstartwithabasicstructureofasearchengine，andthenanalyzethecompositionandtheprincipleofeachpartanddesignailexpansivesearchengineThisthesiswillbeginwitlltheWordSplitmoduleafterstudyingthebasicstepsoftheWordSplitmodulea

6、nddemonstratingtheusageofstatisticsmethodintheearlyandfurtherwordsplittingThisthesisputforwardanewstandpointthatintroducethediagrammethodintothedeeplywordcuttinglayerInthemeantime，Afterdrawinglessonsfromthefoundationsoft

7、hetraditionalparticiplemodel，ThisthesiscreativelyputforwardanewmethodthatidentifytheUnloggingwordsbeforeanalyzingthesentenceWewilldiscussthisstructureinchapter3，andthenintroducesomebasicarithmeticincludestheMMarithmetic，

8、theRMMarithmetic，thebestmatcharithmetic，N—gramarithmetic，andputforwardnewwordspHtarithmetic：3connectionpatharithmeticSecondlythisthesismadethoroughanalysistotheWebCrawlerstudyingthethreemoldpiecesthatconstitutetheWebCraw