Group decision making in multiobjective optimization : a systematic literature review
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2023Copyright
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Tässä tutkielmassa suoritetaan systemaattinen kirjallisuuskatsaus ryhmäpäätöksenteon ja monitavoiteoptimoinnin yhdistelmälle. Kirjallisuuskatsaus sisältää perehdytyksen sekä monitavoiteoptimointiin, että ryhmäpäätöksentekoon yhdistäen nämä kaksi aiemmin suurimmaksi osaksi erillään kehitettyä tutkimusaihetta yhdeksi tutkimusaiheeksi, jota kutsutaan termillä ryhmäpäätöksenteko monitavoiteoptimoinnissa. Tutkielma vastaa siihen, mikä on kyseisen tutkimusalan nykytila kirjallisuudessa. Tutkielma jaottelee löydetyt metodit päätöksentekijöiden roolin mukaan monitavoiteoptimointiprosessissa ja esittää luokittelun tavoista ottaa huomioon päätöksentekijöiden preferenssi-informaatio monitavoiteoptimointimenetelmissä. Tutkielma käsittelee löydettyjä tuloksia ja esittää seitsemän tavoiteltavaa ominaisuutta, jotka pitäisi ottaa huomioon, kun kehitetään monitavoiteoptimointimenetelmiä ryhmäpäätöksentekoon. This thesis deals with a systematic literature review considering the amalgamation of group decision making and multiobjective optimization. The literature review contains an introduction of the relevant aspects of multiobjective optimization and group decision making, combining these two (mostly separately considered) research topics into another research topic called, group decision making in multiobjective optimization. The thesis answers the question what the state of the art of group decision making in multiobjective optimization is. The thesis classifies the methods found in the literature according to the role the decision makers play in the multiobjective optimization process and presents a classification of the ways to handle multiple preferences (from several decision makers) in multiobjective optimization methods. The thesis discusses the results that are found, and proposes seven desirable properties that should be considered when developing multiobjective optimization methods for group decision making.
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