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    Wyświetlanie 1-9 z 9
    Tytuł:
    Incomplete Pairwise Comparison Matrix and Its Application to Ranking of Alternatives
    Autorzy:
    Ramik, Jaroslav
    Powiązania:
    https://bibliotekanauki.pl/articles/578493.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Macierze
    Optymalizacja wielokryterialna
    Matrix
    Multiple criteria optimization
    Opis:
    A fuzzy preference matrix is the result of pairwise comparison - a powerful method in multi-criteria optimization. When comparing two elements, the decision maker assigns a value between 0 and 1 to any pair of alternatives representing the element of the fuzzy preference matrix. Here, we investigate relations between transitivity and consistency of fuzzy preference matrices and multiplicative preference ones. The results obtained are applied to decision situations where some elements of the fuzzy preference matrix are missing. We propose a new method for completing the fuzzy preference matrix with missing elements called the extension of the fuzzy preference matrix and investigate an important particular case of the fuzzy preference matrix with missing elements. Next, using the eigenvector of the transformed matrix we obtain the corresponding priority vector. Illustrative numerical examples are supplied.
    Źródło:
    Multiple Criteria Decision Making; 2013, 8; 114-128
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Remarks on Designing Iterative Multicriteria Procurement Auctions
    Autorzy:
    Kruś, Lech
    Toczyłowski, Eugeniusz
    Powiązania:
    https://bibliotekanauki.pl/articles/578522.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Aukcje wielokryterialne
    Mechanizmy decyzyjne
    Systemy wieloagnetowe
    Wielokryterialna optymalizacja
    Multicriteria auctions,
    Incentive compatible decision mechanisms
    Multiagent systems
    Multicriteria optimization
    Opis:
    In this paper some mechanisms of the multicriteria procurement auctions are discussed, including the elements of the decision support to the auction organizer, as well as to the bidders. The auction mechanisms are considered in the context of attaining incentive compatible decisions. Using domination relations formulated in the criteria space, different rules for the improvement of offers in successive rounds of the auction process are analyzed. The general discussion is illustrated by an example of an iterative multicriteria closed-bidding auction conducted with the use of a multi-agent computer-based system. The system supports submission of offers, multicriteria analysis performed by the auction organizer, simulation, and analysis of the competing bidders' behavior. Experimental results of sessions conducted with the use of the system are analyzed.
    Źródło:
    Multiple Criteria Decision Making; 2014, 9; 32-47
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Incomplete Preference Matrix on Alo-Group and Its Application to Ranking of Alternatives
    Autorzy:
    Ramik, Jaroslav
    Powiązania:
    https://bibliotekanauki.pl/articles/578556.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Analiza porównawcza
    Macierze
    Optymalizacja wielokryterialna
    Comparative analysis
    Matrix
    Multiple criteria optimization
    Opis:
    Pairwise comparison is a powerful method in multi-criteria optimiza- tion. When comparing two elements, the decision maker assigns a value from the given scale which is an Abelian linearly ordered group (Alo- group) of the real line to any pair of alternatives representing an element of the preference matrix (P-matrix). Both non-fuzzy and fuzzy mul- tiplicative and additive preference matrices are generalized. Then we focus on situations where some elements of the P-matrix are missing. We propose a general method for completing fuzzy matrix with missing elements, called the extension of the P-matrix, and investigate some im- portant particular cases of fuzzy preference matrix with missing elements. Eight illustrative numerical examples are included.
    Źródło:
    Multiple Criteria Decision Making; 2015, 10; 124-140
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preference-Driven Multiobjective Optimization Using Robust Ordinal Regression for Cone Contraction
    Autorzy:
    Kadziński, Miłosz
    Słowiński, Roman
    Powiązania:
    https://bibliotekanauki.pl/articles/578592.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Odporne metody statystyczne
    Optymalizacja wielokryterialna
    Podejmowanie decyzji
    Decision making
    Multiple criteria optimization
    Robust statistical methods
    Opis:
    We present a new interactive procedure for multiobjective optimization problems (MOO), which involves robust ordinal regression in contraction of the preference cone in the objective space. The most preferred solution is achieved by means of a systematic dialogue with the decision maker (DM) during which (s)he species pairwise comparisons of some non-dominated solutions from a current sample. The origin of the cone is located at a reference point chosen by the DM. It is formed by all directions of isoquants of the achievement scalarizing functions compatible with the pairwise comparisons of non-dominated solutions provided by the DM. The compatibility is assured by robust ordinal regression, i.e. the DM's statements concerning strict or weak preference relations for pairs of compared solutions are represented by all compatible sets of weights of the achievement scalarizing function. In successive iterations, when new pairwise comparisons of solutions are provided, the cone is contracted and gradually focused on a subregion of the Pareto optimal set of greatest interest. The DM is allowed to change the reference point and the set of pairwise comparisons at any stage of the method. Such preference information does not need much cognitive e ort on the part of the DM. The phases of preference elicitation and cone contraction alternate until the DM nds at least one satisfactory solution, or there is no such solution for the current problem setting.
    Źródło:
    Multiple Criteria Decision Making; 2013, 8; 67-83
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fuzzy Pareto Dominance in Multiple Criteria Project Scheduling Problem
    Autorzy:
    Krzeszowska-Zakrzewska, Bogumiła
    Powiązania:
    https://bibliotekanauki.pl/articles/578536.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Algorytmy
    Harmonogram
    Optimum Pareto
    Optymalizacja wielokryterialna
    Planowanie projektu
    Zarządzanie projektem
    Algorithms
    Multiple criteria optimization
    Pareto optimality
    Project management
    Project planning
    Schedule
    Opis:
    Planning is one of the most important aspects of project management. A project plan defines objectives, activities and timeframe for project realization. To be able to define the required timeframe for project realization it is important to prepare its schedule. The purpose of this paper is to present the project scheduling problem as a multiple criteria decision making problem and to solve it using two evolutionary algorithms: SPEA2 and an evolutionary algorithm driven by the fuzzification of Pareto dominance. A comparison of these two approaches is conducted to investigate if it is reasonable to use the fuzzification of the Pareto dominance relation in evolutionary algorithms for the multiple criteria project scheduling problem
    Źródło:
    Multiple Criteria Decision Making; 2015, 10; 93-104
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evolutionary Multiobjective Optimization for Intensity Modulated Radiation Therapy
    Autorzy:
    Kaliszewski, Ignacy
    Miroforidis, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/578596.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Choroby
    Leczenie
    Optymalizacja wielokryterialna
    Promieniowanie jonizujące
    Wielokryterialne podejmowanie decyzji
    Illness
    Ionizing radiation
    Medical treatment
    Multiple criteria optimization
    Multiple-criteria decision making
    Opis:
    As cancer diseases take nowadays a heavy toll on societies worldwide, extensive research is being conducted to provide more accurate diagnoses and more effective treatments. In particular, Multiobjective Optimization has turned out to be an appropriate and efficient framework for timely and accurate radiotherapy planning. In the paper, we sketch briefly the background of Multiobjective Optimization research to Intensity Modulated Radiation Therapy, and next we present a rudimentary formulation of the problem. We also present a generic methodology we developed for Multiple Criteria Decision Making, and we present preliminary results with it when applied to radiation treatment planning.
    Źródło:
    Multiple Criteria Decision Making; 2015, 10; 82-92
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Decision Makers Preferences, Airport Gate Assignment Problem and Multiobjective Optimisation
    Autorzy:
    Kaliszewski, Ignacy
    Miroforidis, Janusz
    Stańczak, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/578518.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Optymalizacja wielokryterialna
    Podejmowanie decyzji
    Porty lotnicze
    Transport lotniczy
    Wielokryterialne podejmowanie decyzji
    Air transport
    Airports
    Decision making
    Multiple criteria optimization
    Multiple-criteria decision making
    Opis:
    We present an application of a methodology we developed earlier to capture a decision maker's preferences in multiobjective environments to a notorious problem in the realm of Air Traffic Management, namely the Airport Gate Assignment Problem. The problem has been modelled as an all-integer optimisation problem with two criteria. We have implemented this methodology into the commercial solver CPLEX and also into an Evolutionary Multiobjective Optimisation algorithm and we have solved with them a numerical instance of the Airport Gate Assignment Problem for a couple of decision making scenarios.
    Źródło:
    Multiple Criteria Decision Making; 2013, 8; 84-100
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multiple Criteria Decision Making in the Valuation of Real Options
    Autorzy:
    Targiel, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/578548.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Opcje realne
    Optymalizacja wielokryterialna
    Podejmowanie decyzji
    Programowanie dynamiczne
    Wielokryterialne podejmowanie decyzji
    Zarządzanie projektem
    Decision making
    Dynamic programming
    Multiple criteria optimization
    Multiple-criteria decision making
    Project management
    Real options
    Opis:
    Traditional project evaluation is based on discounted cash flow method (DCF) with Net Present Value (NPV) as the main measure. This approach sometimes leads to the abandonment of profitable projects, because the DCF method does not take into account the role of managerial flexibility. The Real Options Valuation (ROV) method takes into account future situations in the valuation, assuming that the project is properly managed. The Project Manager shall have the right to take action as appropriate. A widely used method for the valuation of real options is the binomial tree method (CRR), proposed by Cox, Ross and Rubinstein. It takes into account one state variable. In many real problems, however, many factors should be considered. This leads to a multi-criteria decision-making problem. This paper presents an extension of the CRR method for several state variables.
    Źródło:
    Multiple Criteria Decision Making; 2013, 8; 129-142
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A decision rule for uncertain multicriteria mixed decision making based on the coefficient of optimism
    Autorzy:
    Gaspars-Wieloch, Helena
    Powiązania:
    https://bibliotekanauki.pl/articles/578578.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Modele optymalizacyjne
    Niepewność
    Optymalizacja wielokryterialna
    Planowanie scenariuszowe
    Podejmowanie decyzji w warunkach niepewności
    Wielokryterialne podejmowanie decyzji
    Decision making under uncertainty
    Multiple criteria optimization
    Multiple-criteria decision making
    Optimizing models
    Scenario planning
    Uncertainty
    Opis:
    This paper is devoted to multicriteria decision making under uncertainty with scenario planning. This topic has been explored by many researchers since almost all real-world decision problems contain multiple conflicting criteria and a deterministic criteria evaluation is often impossible. We propose a procedure for uncertain multi-objective optimization which may be applied when a mixed strategy is sought after. A mixed strategy, as opposed to a pure strategy, allows the decision maker to select and perform a weighted combination of several accessible alternatives. The new approach takes into account the decision maker’s preference structure and attitude towards risk. This attitude is measured by the coefficient of optimism on the basis of which a set of the most probable events is suggested and an optimization problem is formulated and solved.
    Źródło:
    Multiple Criteria Decision Making; 2015, 10; 32-47
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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