基于XML的Web數(shù)據(jù)挖掘研究與應(yīng)用.pdf

1、天津科技大學(xué)碩士學(xué)位論文基于XML的Web數(shù)據(jù)挖掘研究與應(yīng)用姓名：趙國樺申請學(xué)位級別：碩士專業(yè)：計算機應(yīng)用技術(shù)指導(dǎo)教師：李孝忠201003ABSTRACTTheInternet，withtherapidgrowthofinformationresources，hasbecomeagreatcenterofinformationservicesinvolvingnews，government，ec幻nlrflerceandmanyothe

2、rinformationservicesInaddition，itcontainsrichanddynamichyperlinkinf01“Illation，whichprovidesrichresourcesfortheWebMiningIntheimprovementofnaturallanguageunderstandingoftheWebtextminingthisarticleisfirsttodecomposesentenc

3、esbyautomaticlexical，andthenanalyzed(usingthesimilaritypercentages)bysentenceanalysisanddictionaryanalysis(ifyouencounternewwords，youfirstaddittothedictionarytoupdate)，andfinallyoutputtheresultsofthediscriminateTheadvant

4、ageoftheimprovedmethodiSthefulluseoftherulesofsentencepattern(singlecomplexsentence)andsentencetype(declarative，interrogative，imperativeandexclamatorysentences)，andcanbemoreefficientimprovementofnaturallanguageunderstand

5、ingTherearesomevaluableinformationthatcanbeusedforforecastingandanalysisontheWebButWebMininginthisareaSOfarhasnotformedaclearfield，andinthetraditionalways，suchasassociationrules(onlyjustfromthethingsthathappenedtocarryco

6、rrelationwitheachothertospeculate)andothermethodsjustonlyinrelationtothis，andtheyalldidnotseeitasaclearareaofresearchThispapersisjusttoidentifyitasatargetfordevelopmentfromanewpointofviewthecreationofacausalmodeltoWebmin

7、ingasdefinedbyacausalpatternofrelationships，includingthoseresultingsot(thatis，avarietyofreasons)，factorset(thatis，avarietyofresults)andavarietyofcausalrelations(onetoone，onetomanychainmesh4species)，andtheUSeofkindsofpara

8、meterssuchasimpactdegree(forvariousreasons，appearintheresultswhentheprobabilityofoccurrence)，theweightoftheclassificationresults(usedtodeterminetheeffectofthevariousclassifications)，andthencombinedwithstatisticalanalysis

9、ofvariousdataminingalgorithmsandtheadvantagesofXML，theformationofaWebminingmodel，tofindtheintrinsiclinkandtheoccurrencobetweenthingsontheWebandeventuallytheformationofanintelligentlibrary，SOitcouldbeusedtoprovideastrongb

10、asisoftheforecastinganddecision—makingforthefutureimplementationofthemandateFinallythereisaspecificapplicationexampleverifiedbyEJ認(rèn)VideoNetworkofTianjinUniversityofScience&Technologyandtheresultsshowthatthemodeliseffectiv