1、復旦大學碩士學位論文網(wǎng)絡社區(qū)信息搜索技術姓名：王智斌申請學位級別：碩士專業(yè)：計算機軟件與理論指導教師：施伯樂20080531給出了基于改進后的信息檢索方法的算法。實驗結果表明，該方法能明顯的提高搜索質量，并對實驗結果進行了分析證明本文方法的有效性。(3)提出了一種新的網(wǎng)絡社區(qū)搜索方法框架并實現(xiàn)了原型。關鍵詞：互聯(lián)網(wǎng)在線社區(qū)搜索專家程度中圖分類號：TP39ABSTRACTAscybercommunitiesboomontheInterne

2、t，moreandmoreinformationappearontheWrebDuetotheconvenienceofWeb，traditionalmediaandsoeialcommunitiesstarttoputthemselvesintoImemetandmoreofthemnOWappearondynamicpageslikenewsgroups，forumsandblogsinsteadofearlystaticonesU

3、ndertheeffortsofmilliomofpeople，theknowledgeonwebissoaril略dayafterdayPeoplecansearchandlearnknowledgefromInteract，sosearchingusefulandreliableinformationincommunitiessuchasforums，newsgroupsandblogsisbecomingamoreandmorei

4、mportanttaskAsthediversityofnetworkcommunityarchitecture，hugeamountofdataandlargeproportionofnoisydatahowtoquicklyfindinformationweneedbecomesahotresearchtopic們鹼problemofsearchingnetworkis：givenuserquerystring，forallthei

5、nformationontheIntemet，wemeasureitsrelativevalueofthe嘲queryandreturnthemostrelativeonestotheuser鷦quicklyaspossibleAsthespeedofvisitingnetworkdataismuchslowerthanvisitinglocaldataWecan’titeratealldataonthewebperqueryNetwo

6、rksearchisuserorientedthequeryresultsqualityandresponsetimealeallveryimportant，80thesolutionofnetworksearchalwaysseparatedinthreephases：crawlingdatatolocalstorage，indexingdataquerydatausingindexInourpaperweputfocusonthet

7、hirdone；weproposedamethodtoimprovesearchresultqualitythroughminingeachcommunityusersknowledgeprofdeMostexistinginformationretrievalsystemswhichperformwellondocumentcollectionsandinterconnectedwebpagesdonotfitsuchtaskwelL

8、Forexample，popularIntemetsearchmethodssuch嬲HITSandPageRankrelyonthelinkstructureofwebpageswhichisoi!tenabsentinthepostingsofcybercommunitiesTraditionalstatisticalinformationretrievalmethodswhichtreatthedata舔documentscomp