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1、Location-basedCrowdsourcing:ExtendingCrowdsourcingtotheRealWorldFlorianAlt,AlirezaSahamiShirazi,AlbrechtSchmidt,UrsKramer,ZahidNawazUniversityofDuisburg-EssenPervasiveComputingandUserInterfaceEngineeringSchützenbahn70,45117Essen,Germany{florian.alt,alireza.sahami,albr
2、echt.schmidt}@uni-due.de,{urs.kramer,zahid.nawaz}@stud.uni-due.deABSTRACTManyprojectsemergedoverthepastyearswhosesuccessTheWWWandthemobilephonehavebecomeanessentialisbasedonthecontributionsofahugenumberofpeople.meansforsharingimplicitlyandexplicitlygeneratedin-Wikiped
3、iaisaprominentexample,whichutilizesthebroadformationandacommunicationplatformformanypeople.knowledgeofamassivenumberofpeopleontheInternet.WiththeincreasingubiquityoflocationsensingincludedinOpenStreetMapisanotherexamplewheremanyusers,liv-mobiledevicesweinvestigatethea
4、risingopportunitiesforingindifferentgeographicalregions,contribute,share,andmobilecrowdsourcingmakinguseoftherealworldcon-processtheirlocationtrackstomakeacomprehensiveon-text.Inthispaperweassesshowtheideaofuser-generatedlinemap.Thesearejusttwoofmanyexampleswhereacont
5、ent,web-basedcrowdsourcing,andmobileelectroniclargenumberofpeople,whoareoftenpartofacommunity,coordinationcanbecombinedtoextendcrowdsourcingmakesmallcontributions,whichledtoacompletelynewbeyondthedigitaldomainandlinkittotasksintherealtypeofapplicationsthatwouldhavebee
6、nhardlyimagi-world.Toexploreourconceptweimplementedacrowd-nablebeforethepervasiveavailabilityoftheWWW.sourcingplatformthatintegrateslocationasaparameterforWiththeubiquityofinteractivemobiledevicesprovidingdistributingtaskstoworkers.Inthepaperwedescribethelocationaware
7、nessandnetworkconnectivityweexpectthisconceptanddesignoftheplatformanddiscusstheresultstrendtoaccelerate.Peoplecarrytheirphoneswiththemtheoftwouserstudies.Overallthefindingsshowthatintegrat-entireday,providingthemtheopportunitytocontributeatingtasksinthephysicalworldi
8、susefulandfeasible.Weanytime.Weimaginethatnewformsofcontributions(e.g.,observedthat(1)mobileworkersprefertopulltasksratherre
