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1、MeasurementandAnalysisofOnlineSocialNetworksAlanMisloveMassimilianoMarconKrishnaP.GummadiMPIforSoftwareSystemsMPIforSoftwareSystemsMPIforSoftwareSystemsCampusE14CampusE14CampusE14Saarbrücken66123,GermanySaarbrücken66123,GermanySaarbrücken66123,GermanyPeterDruschelBobbyBhattacharjeeMPIfor
2、SoftwareSystemsComputerScienceDepartmentCampusE14UniversityofMarylandSaarbrücken66123,GermanyCollegePark,MD20742ABSTRACTKeywordsOnlinesocialnetworkingsiteslikeOrkut,YouTube,andSocialnetworks,measurement,analysisFlickrareamongthemostpopularsitesontheInternet.Usersofthesesitesformasocialne
3、twork,whichprovides1.INTRODUCTIONapowerfulmeansofsharing,organizing,andfindingcon-TheInternethasspawneddifferenttypesofinformationtentandcontacts.Thepopularityofthesesitesprovidessharingsystems,includingtheWeb.Recently,onlineso-anopportunitytostudythecharacteristicsofonlinesocialcialnetwor
4、kshavegainedsignificantpopularityandarenownetworkgraphsatlargescale.UnderstandingthesegraphsamongthemostpopularsitesontheWeb[40].Forexample,isimportant,bothtoimprovecurrentsystemsandtodesign1MySpace(over190millionusers),Orkut(over62million),newapplicationsofonlinesocialnetworks.LinkedIn(o
5、ver11million),andLiveJournal(over5.5mil-Thispaperpresentsalarge-scalemeasurementstudyandlion)arepopularsitesbuiltonsocialnetworks.analysisofthestructureofmultipleonlinesocialnetworks.UnliketheWeb,whichislargelyorganizedaroundcon-Weexaminedatagatheredfromfourpopularonlinesocialtent,online
6、socialnetworksareorganizedaroundusers.Par-networks:Flickr,YouTube,LiveJournal,andOrkut.Weticipatingusersjoinanetwork,publishtheirprofileandanycrawledthepubliclyaccessibleuserlinksoneachsite,ob-content,andcreatelinkstoanyotheruserswithwhomtheytainingalargeportionofeachsocialnetwork’sgraph.
7、Ourassociate.Theresultingsocialnetworkprovidesabasisfordatasetcontainsover11.3millionusersand328millionmaintainingsocialrelationships,forfindinguserswithsim-links.Webelievethatthisisthefirststudytoexamineilarinterests,andforlocatingcontentandknowledgethatmultipleonlinesocia
