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【最新资料,Word版，可自由编辑！】Aninternet-basedlogisticsmanagementsystemforenterprisechainsN.Prindezis,C.T.KiranoudisSchoolofChemicalEngineering,NationalTechnicalUniversity,15780Athens,GreeceReceived13September2003;receivedinrevisedform20December2003;accepted27January2004Availableonline10December2004AbstractThispaperpresentsanInternet-BasedLogisticsManagementSystemtocoordinateanddisseminatetasksandrelatedinformationforsolvingtheheterogeneousvehicleroutingproblemusingappropriatemetaheuristictechniques,foruseinenterprisechainnetworks.ItsarchitectureinvolvesaJAVAWebappletequippedwithinteractivecommunicationcapabilitiesbetweenperipheralsoftwaretools.ThesystemwasdevelopedindistributedsoftwarefashiontechnologyforallcomputerplatformsutilizingaWebbrowser,focusingonthedetailedroadnetworkofAthensandtheneedsoftheAthensCentralFoodMarketenterprises.2004ElsevierLtd.Allrightsreserved.Keywords:Decisionsupportsystem;e-Logistics;Transportation;Vehicleroutingproblem1.IntroductionEnterprisechainsarethebusinessmodelofthepresentandfutureregardingmarketsthatinvolvesmallandmediumcompanysizes.Clearly,groupingactivitiestowardsafocusedtargetfacilitatesanunderstandablyimprovedmarketpenetrationguaranteedbyasuccessfultrademarkofaleadingcompanyinthefield.Severalcollaborationmodelsthatbasicallyincludefranchisingareintroducedasapartofthisintegratedprocess.Whensuchanetworkisintroducedinordertoexploitacommercialideaorbusinessinitiativeandsubsequentlyexpandedasmarketpenetrationgrows,severalmanagementissuesariseregardingtheoperationsoftheentirenetwork.SuchanetworkistheidealplacefororganizingandevaluatinginamorecentralizedwayseveralordinaryoperationsregardingsupplychainandlogisticsInfact,toolsdevelopedfororganizingmanagementprocessesandoperationalneedsofeachindividualcompany,canbedevelopedinamorecentralizedfashionandtheservicesprovidedbythetoolcanbeofferedtoeachnetworkmembertofacilitatetransactionsandtackleoperationssimilarly.Web-basedapplicationsareanidealstartingplacefordevelopingsuchapplications.Typicallysuchsystemsserveasacentraldepotfordistributingcommonservicesinthefieldoflogistics.Thecommercialapplicationisstoredinacentralserverandservicesareprovidedforeachmemberofthegroup.Aprototypeofsuchaserverisdescribedinapreviouswork(Prindezis,Kiranoudis,&Marinos-Kouris,2003).ThispaperpresentsthecompletedinternetsystemthatisinstalledinthecentralwebserveroftheAthensCentralFoodMarketthatdealswiththeintegratedproblemofdistributionfor690companiesthatcompriseauniquelogisticsandretailchainofenterprises.Theneedsofeachcompanyareunderlinedandthealgorithmsdevelopedaredescribedwithintheunifiedinternetenvironment.Theproblemsolvedandservicesprovidedforeachcompanyistheoneinvolvingdistributionofgoodsthroughaheterogeneousfleetoftrucks.Newinsightsofthemetaheuristicsemployedareprovided.Acharacteristiccasestudyispresentedtoillustratetheeffectivenessoftheproposedapproachforareal-worldproblemofdistributionthroughthedetailedroadnetworkofAthens.2.DistributionthroughheterogeneousvehiclefleetsThefleetmanagementproblempresentedinthispaperrequirestheuseofaheterogeneousfleetofvehiclesthatdistributegoodsthroughanetworkofclients(Tarantilis,Kiranoudis,&Vassiliadis,2003,2004).Therefore,thesystemwasdesignedinordertoautomaticallygeneratevehicleroutes(whichvehiclesshouldde-livertowhichcustomersandinwhichorder),usingrational,quantitative,spatial...