主題信息采集與檢索結(jié)果排序策略的研究與實(shí)現(xiàn).pdf

1、東北大學(xué)碩士學(xué)位論文主題信息采集與檢索結(jié)果排序策略的研究與實(shí)現(xiàn)姓名：劉暢申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：劉輝林20070101東北大學(xué)碩士學(xué)位論文AbstractStudyandImplementationofFocusedCrawlingandRetrievalRankingStrategyAbstractInteme=tisbecomingtobethelargestinfobasealthoughtheWebisf

2、ullofamassofpagesItisthegreatproblemfacingtotheinformationscientiststhathowtomakepeopleobtaintheinformationquicklyandaccuratelyThispaperdiscussesthetechnologyoftopicrelatedtechnologybothontheoryandapplicationAndthispaper

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7、evanceofinquiryevaluationdescribesthesimilaritybetweenthewebindexedandinquiriesBaseonthesethreeevaluations，thestrategyCallshowresultofinquiriesingoodqualityandhighefficiencyBasedontheprecisionandtherecall，theexperimentre