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FINDING HIGH-QUALITY CONTENT IN SOCIAL MEDIA WITH AN APPLICATION TO COMMUNITY-BASED QUESTIO

FINDING HIGH-QUALITY CONTENT IN SOCIAL MEDIA WITH AN APPLICATION TO COMMUNITY-BASED QUESTIO

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时间：2019-05-27

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1、TECHNICALREPORTYR-2007-005FINDINGHIGH-QUALITYCONTENTINSOCIALMEDIAWITHANAPPLICATIONTOCOMMUNITY-BASEDQUESTIONANSWERINGEugeneAgichtein1,CarlosCastillo2,DeboraDonato2,AristidesGionis2,GiladMishne31EmoryUniversityAtlanta,USA2Yahoo!ResearchBarcelonaSpain3SearchandAdvertisingSciences,Yahoo!25Septembe

2、r2007SantaClara,California•Berkeley,California•Burbank,CaliforniaNewYork,NewYork•Barcelona,Spain•Santiago,ChileYahoo!ResearchReportNo.YR-2007-005Yahoo!ResearchReportNo.YR-2007-005FINDINGHIGH-QUALITYCONTENTINSOCIALMEDIAWITHANAPPLICATIONTOCOMMUNITY-BASEDQUESTIONANSWERINGEugeneAgichtein1,CarlosCa

3、stillo2,DeboraDonato2,AristidesGionis2,GiladMishne31EmoryUniversityAtlanta,USA2Yahoo!ResearchBarcelonaSpain3SearchandAdvertisingSciences,Yahoo!25September2007ABSTRACT:Thequalityofuser-generatedcontentvariesdrasticallyfromexcellenttoabuseandspam.Astheavailabilityofsuchcontentincreases,thetaskof

4、identifyinghigh-qualitycontentinsitesbasedonusercontributions—socialmediasites—becomesin-creasinglyimportant.Socialmediaingeneralexhibitarichvarietyofinformationsources:inadditiontothecontentitself,thereisawidearrayofnon-contentinformationavailable,suchaslinksbetweenitemsandexplicitqualityrati

5、ngsfrommembersofthecommunity.Inthispaperweinvestigatemethodsforexploitingsuchcommunityfeedbacktoautomaticallyidentifyhighqualitycontent.Asatestcase,wefocusonYahoo!Answers,alargecommu-nityquestionansweringportalthatisparticularlyrichintheamountandtypesofcontentandsocialinteractionsavailableinit

6、.Weintroduceageneralclassificationframeworkforcombiningtheevidencefromdifferentsourcesofinformationthatcanbetunedautomati-callyforagivensocialmediatypeandqualitydefinition.Inparticular,forthecommunityquestionansweringdomain,weshowthatoursystemisabletoseparatehigh-qualityitemsfromtherestwithanaccu

7、racyclosetothatofhumans.1Yahoo!ResearchReportNo.YR-2007-0051.IntroductionRecentyearshaveseenatransformationinthetypeofcontentavailableontheweb.Dur-ingthefirstdecadeoftheweb’sprominence—fromtheearly1990sonwards—mostonlinecontentresembledt

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