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1、InformationSciences195(2012)1–24ContentslistsavailableatSciVerseScienceDirectInformationSciencesjournalhomepage:www.elsevier.com/locate/insCharacterizingusernavigationandinteractionsinonlinesocialnetworksa,⇑bcbFabrícioBenevenuto,TiagoRodrigues,MeeyoungCha,VirgílioAl
2、meidaaComputerScienceDepartment,FederalUniversityofOuroPreto,CampusUniversitário-MorrodoCruzeiro,35400-000OuroPreto,BrazilbComputerScienceDepartment,FederalUniversityofMinasGerais,Av.AntônioCarlos,6627,31270-010BeloHorizonte,BrazilcGraduateSchoolofCultureTechnology,
3、KAIST,373-1Guseong-Dong,Yuseong-Gu,Daejeon305-701,RepublicofKoreaarticleinfoabstractArticlehistory:UnderstandinghowusersnavigateandinteractwhentheyconnecttosocialnetworkingReceived16February2011sitescreatesopportunitiesforbetterinterfacedesign,richerstudiesofsociali
4、nteractions,Receivedinrevisedform24November2011andimproveddesignofcontentdistributionsystems.Inthispaper,wepresentanin-depthAccepted2December2011analysisofuserworkloadsinonlinesocialnetworks.Thisstudyisbasedondetailedclick-Availableonline13December2011streamdata,col
5、lectedovera12-dayperiod,summarizingHTTPsessionsof37,024userswhoaccessedfourpopularsocialnetworks:Orkut,MySpace,Hi5,andLinkedIn.ThedataKeywords:werecollectedfromasocialnetworkaggregatorwebsiteinBrazil,whichenablesusersOnlinesocialnetworkstoconnecttomultiplesocialnetw
6、orkswithasingleauthentication.OuranalysisoftheUserbehaviorSessionclickstreamdatarevealskeyfeaturesofthesocialnetworkworkloads,suchashowfre-Clickstreamquentlypeopleconnecttosocialnetworksandforhowlong,aswellasthetypesandSocialnetworkaggregatorsequencesofactivitiestha
7、tusersconductonthesesites.Additionally,wegatherthesocialBrowsingnetworktopologyofOrkut,sothatwecouldanalyzeuserinteractiondatainlightofthesocialgraph.OurdataanalysissuggestsinsightsintohowusersinteractwithfriendsinOrkut,suchashowfrequentlyusersvisittheirfriends’andn
8、on-immediatefriends’pages.Resultsshowthatbrowsing,whichcannotbeinferredfromcrawlingpubliclyavailabledata,accountsfor92%ofalluseractivities
