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1、21DesignandImplementationofanevent-basedRFIDMiddlewareAngeloCucinotta,UniversityofMessina,ItalyAntoninoLongoMinnolo,UniversityofMessina,ItalyAntonioPuliafito,UniversityofMessina,ItalyABSTRACTThedownwardtrendinthecostofRFIDtechnologyisproducingastrongimpactontheindustrialworldthatisusingsuch
2、powerfultechnologyinordertorethinkandoptimizemostoftheexistingbusinessprocesses.Inthissense,thechiplesstechnologyisplayingakeyroletofacilitatetheadoptionofRFIDinenterprises.AllthisimpliestheuseofsolutionsthatsimplifytheadoptionofthecontinuouslyevolvingRFIDtechnologyandallowtokeepahigh-level
3、visionversusthespecifictechnicaldetails.Inbrief,itismandatorytoabstractthetechnologicallevelandmakestransparentthephysicaldevicestotheapplicationlevel.ThewidespreaduseoftheRFIDtechnologyalsoproducesalargevolumeofdatafrommanyobjectsscatteredeverywhere,thathavetobemanaged.Inthesecomplexscenar
4、ios,theRFIDmiddlewarerepresentsanidealsolutionthatfavorsthetechnologyintegration,reducingcostsforapplicationdevelopmentandintroducingrealbenefitstothebusinessprocesses.Inthischapter,wedescribethemainfeaturesofourevent-basedRFIDmiddlewareanditspowerfularchitecture.Ourmiddlewareisabletoassure
5、aneffectiveprocessoftechnologicalabstraction,switchingfromavisionlinkedtothespecificissuesofinterfacingdevices(chiplesstags,readers,sensornetworks,GPS,WiFi,etc.)tothemanagementoftheeventgeneratedbyeachdevice.Inbrief,“event-based”meanstointegratethemanagementlogicofdifferentdevices.Averyimpo
6、rtantinnovationisthepossibilityfortheusertocustomizetheevent-responseofthesystemandtoadaptitsbehaviortochangingworkingconditions.AnexampleoftheadoptionofchiplessRFIDfordocumentflowmanagementispresentedwithemphasisonthetechnologicalsolutionsadoptedandonthederivedbenefits.INTRODUCTIONRFIDisav
7、erypromisingwirelesstechnologythatwillstronglyimpactoneverydaylifeinseveralfieldssuchasretail,supplychainmanagement,documentmanagement,accesscontrol,healthcareandsoon.Ingeneral,RFIDidentifiesaplethoraofheterogeneouslocationandidentificationtechnologiesra
