个性化信息服务技术分析

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1、AbslraetAbstractCurrently,personalizedinformationserviceisaveryimportantresearchissueinthefieldofWebinformationtechnology．Aimingtotheuser’sdifferentdemands，itadoptdifferentmodeandprovidedifferentservicetoassistuseringaininginformationrapidlydulyandeffectivel

2、y．AimingtothecharacteristicanddemandsofWebinformationservice，thedissertationproposesthesystemframeofpersonalizedinformationservice．TheWebtextresourcemodeling，organizing,managingandUSerdemandmodelingarestudiedcomprehensively．Thesetechnologiesareemployedtoreal

3、izethewebinformationaspectssuchassearch·毙navigationoffesources．personalizedinformationcustomization,knowledgeactiverecommendationandSOon．Themainworkofthisdissertationisdissertatedinthefollowings：Inthe1“chapter，theresearchbackgroundandpracticalsignificanceofp

4、ersonalizedinformationserviceareintroducedfirstly．AimingtotheresearchcontentofWebinformationservice，thecurrentadvancesoftheinterrelatedfields，suchassearchengine，semanticWeb，personalizedinformationserviceandSOon，arealsoreviewed．Theservicecharacteristicandfunc

5、tionofthreetypesofpersonalizedinformationservicesystemarecomparedspecially．Andthentheresearchcontentandarchitectureofthedissertationarepresented．Inthe2“ochapter,thegeneralsituationofpersonalizedinformationserviceisaddressed．Thedefinition，logicprocess，charact

6、eristicandservicemodeisresearched．Then,thesystemcharacteristicandfunctioncomponentofthepersonalizedinformationservicesystemresearchedbythedissertationisbroughtforward．hthe3“chapter,theformalizeddescription(featuremodeling)methodisdiscussedchiefly．Afeaturemod

7、elingmethodbasedonvectorspacemodelandHowNetispresented．Thematerialrealizationtechnologies，suchasweightingmethodofthecharacteristicelement，eliminatingdifferentsemanticmeanings，semanticsimilaritycalculating，areresearched．AndtoachievethemaximizingavailofWebreso

8、urce，theclassificationofWebtextresourceisstudied．Atlast，throughexperiments，thedissertationcarriesonverificationoftheabove．mentionedtheoriesandmethods．Inthe4“chapter,thedissertationdiscussestheus