序列模式挖掘在網(wǎng)站可用性分析研究上的應用.pdf

1、分類號UDC密級y855526單位代碼!Q151序列模式挖掘在網(wǎng)站可用性分析研究上的應用竇赫男指導教師劉正捷職稱教授學位授予單位大連海事大學申請學位級別碩士學科與專業(yè)計算機應用技術(shù)論文完成日期2006年2月論文答辯日期2006年3月答辯委員會主席AnApplicationoftheStudyonSequentialPatternsMininginWebUsabilityAnalysisAbstracfUsabilityisanimpor

2、tantcriterionthatevaluatesthequalityofproductionfromtheviewpointofendusersW曲thedevelopmentofIntemettechnologypeoplepaymoreattentiontothestudyonwebusabilityAtpresent，mostwebsitesaresetupfromtheviewpointofdesigners，without

3、consideringtheusers’actualrequirement，whichresultsinthesituationthattheusers’accessingpatternsalwaysrunscotmtertowhatthewebisdesignedforandcansesmanyusabilityproblemsItnotonlybringsdisagreeableuserexperience，butalsocause

4、smuchlosstotheweboperators，as、Ⅳiththesharpdecreaseofuseramount，thecompetitionofthewebwillconsequentiallygodownOnthebasicofinvestigationonanalyticalmethodandtechnologyofwebusabil畸frombothdomesticandabroad，theauthornlak6as

5、tudyonhoWtoutifizethemethodofsequentialpatternminingtoheipusabilityexpertstofredouttheprobableusabilityproblemsThemethodconsistsoftwoprimaryoperations，findingtheusers’accessingpatternsfromtheweblogandcombiningitwiththewe

6、bstructureFirst，usinguser—centereddesignmethod，theauthorimplementedatoolthatcouldhelppeopletoanalyseusabilityproblemsinwebsiteThefocusisOilthestudyofthefeasibilityofutilizingthemethodofsequentialpatternsminingonthewebusa

7、bilityanalysisandthetreemaptechnologythatvisualizingthewebstructureSecondtheauthortak岳atestonsomeselectactualwebsites，inwhichusabilityexpertsfindoutseveraltypicalusabilityproblemsFinally，theauthorevaluatestheSalTlewebusi

8、ngboththeheuristicevaluationanduserstesting，comparesthreedifferentwaysoffindingproblems，andvalidatestheaccuracyofresultandthevalueofanalyticalt001Asindicatedfromtheresult，thetoolCallhelpusabilityexpertsfredtheprobableweb

9、usabilityproblemsmoreeffectively，andcallprovidemostconvictivedataThereforeOurstudyvalidates也efeasibilityofutilizingthemethodofsequentialpatternsminingontheusabilityanalysis，andwilllayagoodfoundationforfutureexploitationo