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与石俱进李婷婷UnderstandingOnlineSocialNetworkUsagefromaNetworkPerspective
目录1Overview34Follow-upresearch5Featurepopularity6OSNsessioncharacteristic7DynamicsWithinOSNsession2OSNfeatureandterminologyDataandapproach
Overview研究背景研究意义解决问题OnlineSocialNetworks(OSNs)havealreadyattractedmorethanhalfabillionusers.However,ourunderstandingofwhichOSNfeaturesattractandkeeptheattentionoftheseusersispoor.StudiesthusfarhavereliedonsurveysorinterviewsofOSNusersorfocusedonstaticproperties,e.g.,thefriendshipgraph,gatheredviasampledcrawls.Furthermore,therearenoknownstudieswhichdocumenthowusersinteractwithvariousOSNsbeyondthosethatrelyonsurveys
Overview研究背景研究意义解决问题ServiceprovidersResearchersISP
Overview研究背景研究意义解决问题WhichfeaturesofOSNsarepopularandcapturetheusersattention？WhatistheimpactofOSNsonthenetwork?WhatneedstobeconsideredwhendesigningfutureOSNs?Istheuser’sbehaviorhomogeneous?
目录1Overview34Follow-upresearch5Featurepopularity6OSNsessioncharacteristic7DynamicsWithinOSNsession2OSNfeatureandterminologyDataandapproach
OSNfeatureandterminologyOSNfeaturesOSNsformonlinecommunitiesamongpeoplewithcommoninterests,activities,backgrounds,and/orfriendships.1、MostOSNsincludefeaturesforcreatinguseraccountsandauthenticatingusers.2、Userscanupdatetheirprofiles(contactinformation,photographs,informationabouthobbies,books,movies,music,etc.)3、Theycanaddfriends,invitenewfriends,joingroups.4、adjusttheirprivacysettings5、SeveralOSNsofferaplatformtobuildthird-partyapplications
A“sample”FacebooksessionSession(OSNsession)AnofflineOSNsessionSubsessionactionsorclicks
Session(OSNsession)UsersmustloginbeforeaccessinganyFacebookfeatureandthisstartstheOSNsession;afterloggingintheuserisauthenticated.Attheendofthesessionalogoutresultsintheuserbecomingoffline.Theti
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