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1、ORSpectrum(2009)31:651678DOI10.1007/s00291-008-0126-7REGULARARTICLEMulti-criterialocationplanningforpublicfacilitiesintsunami-pronecoastalareasKarlF.Doerner·WalterJ.Gutjahr·PamelaC.NolzPublishedonline:15February2008©Springer-Verlag2008AbstractWepresentamodelformulti-objec
2、tivedecisionanalysiswithrespecttothelocationofpublicfacilitiesasschoolsinareasneartocoasts,takingrisksofinundationbytsunamisintoaccount.Amathematicalprogrammingformulationwiththreeobjectivefunctionsisgiven.Thefirstobjectivefunctionisaweightedmeanofaminisumandamaximumcovera
3、gecriterion.Thesecondobjectivefunctionexpressesriskbypossibletsunamievents;forquantifyingthisrisk,astatisticalmodelfortsunamioccurrencesbyKaistrenkoandPineginaisapplied.Thethirdcriterionrepresentscosts.Forthesolutionofthemulti-objectiveoptimizationproblem,weproposeaheuris
4、ticapproachbasedontheNSGA-IIalgorithmandcompareitwithadecompositiontechniquewheretheregionunderconsiderationispartitionedintosmallersub-regions,andtheproblemissolvedforeachseparatesubregioneitherexactlyorheuristically.Bothapproachesaretestedontworeal-lifeinstancesfromsout
5、hernSriLanka.KeywordsMulti-objectivecombinatorialoptimization·Locationalanalysis·Geneticalgorithm·DisasterrecoveryplanningK.F.Doerner·P.C.NolzDepartmentofBusinessAdministration,UniversityofVienna,BruennerStrasse72,1210Vienna,Austriae-mail:Karl.Doerner@univie.ac.atP.C.Nolz
6、e-mail:Pamela.Nolz@univie.ac.atW.J.Gutjahr(B)DepartmentofStatisticsandDecisionSupportSystems,Universitaetsstrasse5/9,1010Vienna,Austriae-mail:Walter.Gutjahr@univie.ac.at123652K.F.Doerneretal.1Introduction1.1AimoftheinvestigationItiswellknownthatovertheworld,thenumberofpeo
7、pleaffectedbynaturaldisastersisincreasingfromyeartoyear,afactforwhichpopulationgrowthandtheconcen-trationofpeopleinlargeurbancenters(someofwhichareespeciallyexposedtonaturalhazards)playsanessentialrole.Althoughmoderntechnologycanreducetheharmcausedbynaturaldisastersconsid
8、erably,risk-reductionmeasuresofthistypearecostly,andduringthelastcentury,themajorpartofhappening