Title of article :
Solving acomprehensivemodelformultiobjectiveprojectportfolioselection
Author/Authors :
A.F. Carazo، نويسنده , , TrinidadG?mezb، نويسنده , , Juli?nMolinab، نويسنده , , AlfredoG.Hern?ndez-D?az، نويسنده , , FlorM.Guerrero، نويسنده , , Rafael Caballerob، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2010
Pages :
10
From page :
630
To page :
639
Abstract :
Any organizationisroutinelyfacedwiththeneedtomakedecisionsregardingtheselectionandscheduling of projectportfoliosfromasetofcandidateprojects.Weproposeamultiobjectivebinaryprogramming model thatfacilitatesbothobtainingefficientportfoliosinlinewiththesetofobjectivespursuedbythe organization, aswellastheirschedulingregardingtheoptimumtimetolauncheachprojectwithinthe portfolio withouttheneedforaprioriinformationonthedecision-makerʹspreferences.Resourcecon- straints, thepossibilityoftransferringresourcesnotconsumedinagivenaperiodtothefollowingone, and projectinterdependencehavealsobeentakenintoaccount.Giventhatthecomplexityofthisproblem increases asthenumberofprojectsandthenumberofobjectivesincrease,wesolveitusingametaheuris- tic procedurebasedonScatterSearchthatwecallSS-PPS(ScatterSearchforProjectPortfolioSelection). The characteristicsandeffectivenessofthismethodarecomparedwithotherheuristicapproaches(SPEA and afullyrandomprocedure)usingcomputationalexperimentsonrandomlygeneratedinstances. Statement ofscopeandpurpose This paperdescribesamodeltoaidintheselectionandschedulingof project portfolioswithinanorganization.Themodelwasdesignedassumingstronginterdependence between projects,whichthereforehavetobeassessedingroups,whileallowingindividualprojectsto start atdifferenttimesdependingonresourceavailabilityoranyotherstrategicorpoliticalrequirements, which involvestimingissues.Thesimultaneouscombinationofprojectportfolioselectionandscheduling under generalconditionsinvolvesknowndrawbacksthatweattempttoremedy.Finally,themodeltakes into accountmultipleobjectiveswithoutrequiringapriorispecificationsregardingthedecision-makerʹs preferences.
Keywords :
Scheduling , Metaheuristic methods , Multiobjective decision-making , Nonlinear binary models , Portfolio project selection
Journal title :
Computers and Operations Research
Serial Year :
2010
Journal title :
Computers and Operations Research
Record number :
927676
Link To Document :
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