专家系统方法以尽量减少人才外流的影响外文翻译.docx
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专家系统方法以尽量减少人才外流的影响外文翻译.docx
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专家系统方法以尽量减少人才外流的影响外文翻译
中文3460字
本科毕业论文(设计)
外文翻译
外文题目Expertsystemsapproachtominimizetheeffectsofbraindrain
外文出处IJCM
外文作者NaveedSaleemAbbasN.Azad
原文:
Expertsystemsapproachtominimizetheeffectsofbraindrain
NaveedSaleemAbbasN.Azad
Braindraininflictsseriouseconomicandsocialhardshipsondevelopingcountries.Consequently,thesecountriesresorttosuchmeasuresasgovernmentalregulationsandeconomicincentives,whichaimtoslowdownemigrationoftheirskilledprofessionals.However,thesemeasuresprovegenerallyineffective.
Furthermore,predictiveresearchonbraindrainfindsonlyfurtherincreasein,ratherthananydeclineof,theexodusofskilledprofessionalsfromdevelopingcountries,whichexacerbatesthebraindrainproblem.Thispaperadvocatestheuseofexpertsystemstoalleviatethescarcityofexpertisecausedbybraindrain.
Theuseofexpertsystemsforthispurposeappearslogical,becausethesesystemshavebeensuccessfullyusedtocombatsimilarproblemsindevelopedcountries.
INTRODUCTION
Braindrain,theemigrationoftrainedprofessionalstoothercountries,isamatterofgreatconcerntodevelopingcountries.Braindrainjeopardizesacountry'seconomicdevelopmentandweakensitsabilitytoprovideessentialservicestoitscitizens.Tomakemattersworseforthesecountries,noreprieveappearstobeonthehorizonforthem.Theempirical,predictivestudiesauguronlyfurtherincreaseinratherthananydeclineofthelossofskilledmanpower.Thetraditionalsolutionsappliedtothisproblemhaveprovedgenerallyineffective,hence,underliningtheneedforinnovativeapproachestoaddressthisproblem.Thispaperadvocatesthattheuseofexpertsystems,onekindofinformationtechnology,providesaneffectivetooltominimizetheeffectsofbraindrainfromdevelopingcountries.
EFFECTSOFBRAINDRAIN
Braindraininflictsseriouseconomicandsocialhardshipsondevelopingcountries.First,itdrainsthescarcecapitalresourcesofthecountry,aswellashurtstheperformancesofthebusinessentities.Forinstance,itcreatesdependenceonforeignconsultants,whichresultsintheoutflowofalreadyscarcecapitalresources(Kiggundu,1989).Inaddition,itforcesbusinessestopromotelessexperiencedindividuals,whomaybeunpreparedtohandletheirresponsibilities,andthushurttheoverallperformancesoftheorganizationsinnationalandinternationalmarkets(McHale,1988).
Second,braindrainjeopardizestheessentialservicesprovidedtothecitizensofthedevelopingcountry.InthePhilippines,forexample,somehospitalwardshadtobecloseddownduetoshortageofnursingstaff(Cohen,1988).InMexico,theemigrationofuniversityteacherstoothercountries,appearstohavecausedadeclineinthequalityofitshighereducation(Tangeman,1989,p.A45).Inshort,braindraincausesseriouseconomicandsocialimplicationsforacountry.
Sometimes,however,theargumentisadvancedthatemigrationactuallybenefitsdevelopingcountries,becauseitaffordstheircitizenstheopportunitytoacquiredirelyneededexpertiseandskills.Thisargumentassumesthatthemajorityoftheseindividualsreturnstothehomecountryandmakesvaluablecontributionstoitsdevelopment.However,asdescribedlaterinthispaper,thisassumptionisnotborneoutbyreality.
CAUSESOFBRAINDRAIN
Thetwoprimaryreasonsbelievedtotriggerbraindrainfromdevelopingcountriesare:
(1)highercompensationwithbetteropportunitiesabroad;and
(2)politicaluncertaintyathome.Inadequatecompensationforone'sskillsinthehomecountrybecomesasourceoffrustrationtothetrainedprofessionals,whichmotivatesthemtolookabroadforemployment.Thisfrustrationiswell-spokenbyauniversityprofessorinMexico,whocomplained,"IamaPh.D.fromStanfordandIcannotaffordtobuyausedVolkswagen"(Tangeman,1989,p.A47).Economicconsiderationsaside,whenanuncertainpoliticalenvironmentoccursinthehomecountry,thiseventalsosparksanexodusoftheprofessionaltalent.Forexample,China'splannedtakeoverofHongKongin1997scaredanumberofbusinesses,alongwithahighnumberoftrainedprofessionals,intothemovetoothercountries(McHale,1988).
TRADITIONALSOLUTIONSTOBRAINDRAIN
Thegoalofthetraditionalapproaches,usedtoovercomethebraindrainproblem,focusesonhowtoslowdowntheemigrationoftrainedprofessionals.Typically,twomethodsareusedtoaccomplishthisgoal.Onemethodinvolvesgovernmentallegislationthatcreatesdifficultiesforprofessionalstoleavethecountry.Forinstance,inthePhilippines,legislationisunderconsiderationwhichrequiresthenursingstudentstoworkinthePhilippinesforaperiodofatleasttwoyears,beforetheywouldbeallowedtogoabroad(Cohen,1988).Likewise,inanefforttodiscourageemigrationofitsHongKongcitizens,theChinesegovernmentannounceditsstudyofwhetherornottorecognizeforeignpassportscarriedbyHongKongnationals(Chada,1988).
Thesecondmethodtypicallyusedtoslowdownbraindrainistoofferhighersalariesandmoreattractivefringebenefitstotheemployees.Forexample,someHongKongbusinessespayabonusofthreemonthssalarytotheircurrentemployees,aswellastoanyexpatriateswillingtoreturntoHongKong("SteppingOvertheBorder",1989).Likewise,TaiwanoffersitsexpatriateswhoarewillingtoreturnhomesignificantfinancialassistanceandfacilitiestostarttheirownbusinessesinTaiwan(Tanzer,1989).Similarly,Irelandmadeheavyinvestmentsinhightechindustriesinordertoretainitsbrightandambitiouscitizens;however,itspolicyhasnotbeenveryeffective,becausetheyoungIrishstillperceiveonlylimitedopportunitiesfortheminIreland(Manasian,1988).Apparently,onlyTaiwanhashadanysuccessinattractingitsformercitizensreturntohomeland.Othercountrieshavenothadmuchluckinthisrespect.Forinstance,Mexico'sacademicandpoliticalleadersvirtuallyconcededthattheycannotstoptheuniversitysystem'schronicbraindraintoothercountries(Tangeman,1989).Likewise,GreekauthoritieshaveacknowledgedthattheircountryjustcannotaffordtheeconomicincentivesneededtoattractGreekexpatriatesbacktoGreece(Manasian,1988).Thus,thetraditionalapproachestoslowdownbraindrainhavehadanextremelylimitedsuccess.
PREDICTIVEEVIDENCEONBRAINDRAINTREND
Variousstudieshaveexaminedtheprospectsofaslowdownintherateofbraindrainfromthedevelopingcountries.Theresultsofthesestudiesstronglysuggestthatprospectsofsuchslowdown,ifany,areverylimited.
Onestudy,KwokandLeland(1982)examinestheissueastowhystudentsfromdevelopingcountriesdonotreturntotheirhomecountryfromtheUSAafterreceiptoftheiradvanceddegrees.Theyarguethattheeconomicincentivesarenottheonlycauseforthisproblem.Rather,theyhypothesize,individualsofhighabilitiesarenotmotivatedtoreturnbecausetheirperceptionsremainthattheemployersintheirhomecountrymaynotfullyappreciatenorutilizetheirabilities.Theresultsofthisstudysupporttheirhypothesis.Consequently,economicconsiderations,aswellaspsychologicalones,contributetothelossofthesescarceintellectualassetsfromthedevelopingcountriesLien(1987)extendedthefindingsofKwokandLeland(1982).Thisstudyarguesthatalthoughthehomecountryemployersmaynotfullycomprehendthequalificationsofprospectiveemployeesreturningfromabroad,usuallytherankingoftheschools,wherethecandidatesstudied,inferssuchqualificationstothem.Withthisassumption,Liendevelopedamathematicalmodelofthepossiblebehaviorofindividualswithadvanceddegrees.Theresultofthestudysuggeststhatexceptionallycapableindividualsremainunlikelytoreturntotheirhomecountries.
Insummary,thetraditionalapproachesusedtoreverseorabatebraindrainhaveprovedgenerallyineffective.Furthermore,variouspredictivestudiesdonotforeseeanydeclinewhatsoeverinthelevelofbraindrainfromdevelopingcountries.Plus,theopportunitiesforemigrationareontherise.
Consequently,theseresultscallfornew,innovativeapproachestoaddressthebraindrainproblem.
EXPERTSYSTEMSSOLUTIONTOBRAINDRAINPROBLEM
Expertsystems,akindofinformationtechnology,indeedprovidesaneffectivewaytominimizetheeffectsofbraindrainfromdevelopingcountries.However,beforeweexplorehowexpertsystemshelpinthisrespect,weneedtobrieflyreviewsuchsystems
Anexpertsystem,sometimescalledanadvisorysystem,isacomputerprogramthatmimicsthebehaviorofhumanexpertswithinsomespecificdomainofknowledge(Liebowitz,1988,p.3).Anexpertfacedwithaproblemelicitsorderivesinformationfromvarioussourcespertainingthatproblem,andthen,basedonthatinformation,arrivesatsomedecisionconcerningthatproblem.Likewise,auser,consultinganexpertsystem,providesdataorinformationinresponsetoqueriesfromthesystem;then,basedontheinformationprovided,thesystemfurnishesanadviceorarecommendation.
Expertsystemsmaybeusedtoseekadvice,makeadecision,orsolveaproblem.Forexample,DECsalespersonneluseXSEL,anexpertsystem,torecommendasystemtocustomersbasedontheirrequirements(HicksandLee,1988).Likewise,expertsystemshelpusersselectoneofthemanyplacestoinvestbasedontheirfinancialconditions,goals,andpersonalitytraits(Frenzel,1987).Also,expertsystemsexisttohelpdoctorstodiagnoseillnesses,aswellastoprescribetreatments(Frenzel,1987).Inshort,expertsystemshavebeendevelopedandareutilizedinscience,medicine,engineering,manufacturing,business,anddatapr
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