基于Web的中文信息智能獲取研究.pdf

1、中國科學技術(shù)大學博士學位論文基于Web的中文信息智能獲取研究姓名：蔡智申請學位級別：博士專業(yè)：計算機軟件指導教師：王煦法2002.4.1苧監(jiān)!塑生苧笪，皇塑絲莖壁塹塞墊塞AbstractHowtocombinethetechnologyofArtificialIntelligencewithexistingartofWeb—basedInformationRetrievaleffectively，togenerateanindividu

2、almodelforuser’SrequirementanddevelopapersonalizedIntelligentAgentHowtoutilizethetechnologyofDatabaseintoWeb—basedInformationRetrievaltoenabletheusertocarryoutaprecJsesemantiCqueryHowtofulfilltheinformationretrievalofWeb

3、—basedsemi。‘structureddataandthentomanageandre—’constructtheinformationgottenA11thesequestionshaveshowedUSthehotspotsoncurrentresearchofWebbasedInformationRetrievalInthiSpaper，ourdeepresearchworkfocusingontheansweringtot

4、hesethreequestionsmentionedabovewasshownItincluded：1DiscussedandexpatiatedonAnIntelligentToolforChineseInformationRetrievalonInternetAsaWeb—basedIntelligentAgentitcouldextractkeywordsfromuser’Sdailydocument，submitthemint

5、ofourChinesesearchenginesasameta—searchengine，andthenmakenecessaryfiltrationtotheresultsreturnedfromthiSmeta—searchenginetorecommendrelevantdocumentuserprefers2DesignedakindofWebinquirylanguageTWebSQL，whichhasintroducedt

6、hetechnologyofDatabaseintoWeb—basedInformat／onRetrievalRelyingontheuseofTWebSQL，thesystemcouldfulfillanquerybasedonthecontentsofWebpagesandthe1inkage—structuresbetweenthem，thatmakesitpossibletodeepanQueryintothestructure

7、ofWebpages3AchieyedawayforautomatiCsemi—structuredinformationextraction，inwhichanExample—basedReduction—LearningAlgoritbmtoautomaticallygeneraterulesofextractionwaspresentedThemaininnovationsofthisthesisarethefollowing：I