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1、InferringSocialTiesacrossHeterogenousNetworksJieTangTianchengLouJonKleinbergDepartmentofComputerInstituteforInterdisciplinaryDepartmentofComputerScienceInformationSciencesScienceTsinghuaUniversityTsinghuaUniversityCornellUniversityBeijing100084,ChinaBeijing100084,Ch
2、inaIthacaNY14853jietang@tsinghua.edu.cnltc08@tsinghua.edu.cnkleinber@cs.cornell.eduABSTRACTcolleague,etc.;inamobilecommunicationnetwork,therelation-shiptypescouldincludefamily,colleagues,andfriends.ItiswellItiswellknownthatdifferenttypesofsocialtieshaveessentiallykn
3、ownthatthedifferenttypesofsocialtieshaveessentiallydif-differentinfluencebetweenpeople.However,usersinonlineso-ferentinfluencebetweenpeople.Agraduate'sresearchtopicmaycialnetworksrarelycategorizetheircontactsinto“family”,“col-bemainlyinfluencedbyhisorheradvisor,whileot
4、herpartsofleagues”,or“classmates”.Whileabulkofresearchhasfocusedonhiseverydaylifewillbemoreinfluencedbytheirclosefriends.inferringparticulartypesofrelationshipsinaspecificsocialnet-Awarenessofthesedifferenttypesofsocialrelationshipscanben-work,fewpublicationssystemati
5、callystudythegeneralizationofefitmanyapplications.Forexample,ifwecouldhaveextractedtheproblemofinferringsocialtiesovermultipleheterogeneousfriendshipsbetweenusersfromamobilecommunicationnetwork,networks.Inthiswork,wedevelopaframeworkforclassifyingwecanleveragethefrie
6、ndshipsfora“word-of-mouth”promotionthetypeofsocialrelationshipsbylearningacrossheterogeneousofanewproduct.networks.Theframeworkincorporatessocialtheoriesintoama-However,inmostonlinenetworks(e.g.,Facebook,Twitter,chinelearningmodel,whicheffectivelyimprovestheaccuracy
7、ofLinkedIn,YouTube,andSlashdot),suchinformation(relationshipinferringthetypeofsocialrelationshipsinatargetnetwork,bybor-type)isusuallyunavailable.Usersmayeasilyaddlinkstoothersrowingknowledgefromadifferentsourcenetwork.Ourempiricalbyclicking“friendrequest”,“follow”o
8、r“agree”,butdonotoftenstudyonfivedifferentgenresofnetworksvalidatestheeffective-takethetimetocreatelabelsandmaintaintheirfriendlist.Indeed,
