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1、2011IEEEInternationalConferenceonPrivacy,Security,Risk,andTrust,andIEEEInternationalConferenceonSocialComputingASurveyofCrowdsourcingSystemsMan-ChingYuen1,IrwinKing1,2,andKwong-SakLeung11DepartmentofComputerScienceandEngineering,TheChineseUniversityofHongKo
2、ng,HongKong2AT&TLabsResearch,SanFrancisco,USA{mcyuen,king,ksleung}@cse.cuhk.edu.hk;irwin@research.att.comAbstract—Crowdsourcingisevolvingasadistributedproblem-Therestofthispaperisorganizedasfollows.SectionIIsolvingandbusinessproductionmodelinrecentyears.Inp
3、resentsthestudyoncrowdsourcingapplications.Itdescribescrowdsourcingparadigm,tasksaredistributedtonetworkedthecategoriesandthecharacteristicsofcrowdsourcingappli-peopletocompletesuchthatacompany’sproductioncostcancations.Itpresentshowtheapplicationsintheprev
4、iousworksbegreatlyreduced.In2003,LuisvonAhnandhiscolleaguespioneeredtheconceptof“humancomputation”,whichutilizesbecategorizedbasedonourcategorization.SectionIIIex-humanabilitiestoperformcomputationtasksthataredif?cultaminesthealgorithmsdevelopedforcrowdsour
5、cingsystems.forcomputerstoprocess.Later,theterm“crowdsourcing”wasSectionIVpresentsthesurveyontheperformanceaspectsoncoinedbyJeffHowein2006.Sincethen,alotofworkinevaluatingthecrowdsouringsystems.SectionVdescribesthecrowdsourcinghasfocusedondifferentaspectsof
6、crowdsourcing,experimentaldatasetsavailableontheWeb.SectionVIgivessuchascomputationaltechniquesandperformanceanalysis.Inthispaper,wegiveasurveyontheliteratureoncrowdsourcingadiscussionandconclusionofourwork.whicharecategorizedaccordingtotheirapplications,al
7、gorithms,performancesanddatasets.ThispaperprovidesastructuredviewII.APPLICATIONoftheresearchoncrowdsourcingtodate.IndexTerms—crowdsourcing;surveyBecauseofthepopularityofWeb2.0technology,crowd-sourcingwebsitesattractmuchattentionsatpresent[91],[90].I.INTRODU
8、CTIONAcrowdsourcingsitehastwogroupsofusers:requestersandworkers.ThecrowdsourcingsiteexhibitsalistofavailableNowadays,manytasksthataretrivialforhumanscontinuetasks,associatingwithrewardandtimeperiod,tha
