Temat: group decision-making

Skocz do pozycji: 1.

Tytuł:: A general collective choice rule in group decision making under fuzzy preferences and fuzzy majority: an OWA operator based approach
Raport Badawczy = Research Report ; RB/65/2001
Autorzy:: Zadrożny, Sławomir. Autor
Kacprzyk, Janusz (1947– ). Autor
Wydawca:: Instytut Badań Systemowych. Polska Akademia Nauk
Systems Research Institute. Polish Academy of Sciences
Powiązania:: Raport Badawczy = Research Report
Opis:: 6 pages ; 21 cm
Bibliografia s. 5-6
Bibliography p. 5-6
6 stron ; 21 cm
A general form of a collective choice rule in group decision making under fuzzy prefernces and a fuzzy majority is proposed. It encompasses some well-known choice rules. Our point of departure is the fuzzy majority based linguistic aggregation rule (solution concept) ......
Dostawca treści:: RCIN - Repozytorium Cyfrowe Instytutów Naukowych

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Skocz do pozycji: 2.

Tytuł:: Structural marketing innovation conflict analysis and support
Autorzy:: Szapiro, T.
Matysiewicz, J.
Tematy:: DSS
group decision making
marketing conflict
negotiation; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/205873.pdf Link otwiera się w nowym oknie
Opis:: The aim of this analysis is to draw conclusions from the consideration of the transformation of Polish economy from a command to a market driven one on the basis of results from innovation theory. As the starting point it is assumed that welfare is related to market economy with a considerable number of private and privatised companies. It will be further explained that these companies have to be innovative so as to be successful. The most visible innovation is related to the introduction of marketing units in companies. This, however, implies coping with two generic types of marketing conflicts. The first one is the structural marketing conflict: it results from the internal conflicting objectives. The second one is the marketing implementation problem: it results from the resistance attitudes. The model describing structural conflicts is presented in the paper. It is explained hope the model allows the use of existing computer software to support managers.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Neutrosophic VIKOR approach for multi-attribute group decision-making
Autorzy:: Tooranloo, Hossein Sayyadi
Ayatollah, Arezoo Sadat
Tematy:: fuzzy sets
VIKOR
group decision-making
refined neutrosophic environment; Pokaż więcej
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:: https://bibliotekanauki.pl/articles/58969811.pdf Link otwiera się w nowym oknie
Opis:: Uncertainty, imprecise, incomplete, and inconsistent information can be found in many real-life systems and may cause more complex problems. A neutrosophic set is an effective and useful tool to describe problems with Uncertainty, imprecise, incomplete, and inconsistent information. The neutrosophic set is characterized by three independent degrees namely the truth-membership degree (T), indeterminacy-membership degree (I), and falsity-membership degree (F). In this paper, we present an extension of the VIKOR method for the solution of multi-criteria decision-making problems, namely neutrosophic set-VIKOR (NS-VIKOR) in a refined neutrosophic environment. The weight of each decision-maker is considered a singlevalued neutrosophic number. The criteria for the weight of every decision-maker are also considered neutrosophic numbers. An aggregation operator is used to combine all decision-makers’ opinions into a single opinion for a rating between criteria and alternatives. Euclidean distances from the positive and negative ideal solutions are calculated to construct relative closeness coefficients. Lastly, an illustrative example of tablet selection is provided to show the applicability of the proposed VIKOR approach.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Group decision-making in civil engineering based on AHP and PROMETHEE methods
Autorzy:: Marović, Ivan
Tijanić, Ksenija
Šopić, Martina
Car-Pušić, Diana
Tematy:: group decision-making
project management
outranking method
AHP
PROMETHEE; Pokaż więcej
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Powiązania:: https://bibliotekanauki.pl/articles/1064810.pdf Link otwiera się w nowym oknie
Opis:: The Analytical Hierarchy Process (AHP) and PROMETHEE have gained increasing attention in the field of construction management as techniques for the analysis of complex situations and as decision support for decision makers. However, these two methods in themselves or their potential applications to problems of construction management are not sufficiently defined in the existing literature. The environment of group decision-making bring even more challenges. This paper consolidates and critically discusses the current knowledge on the application of AHP and PROMETHEE methods in the light of the specifics of the construction industry. A systematic literature review was used to select the contributions indexed in the databases Scopus and Web of Science. The findings indicate that the studies deal with broad topics and different aspects in different phases of civil engineering projects. This paper provides a useful reference work for researchers and practitioners interested in the application of AHP and PROMEETHEE as tools for group decision-making in civil engineering.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: The multicriteria group decision making flowsort method under uncertainty
Autorzy:: Remadi, Fedia Daami
Moalla Frikha, Hela
Tematy:: Intuitionistic fuzzy set
FlowSort method
Multicriteria group decision making
Sorting problematic; Pokaż więcej
Wydawca:: Uniwersytet Ekonomiczny w Katowicach
Powiązania:: https://bibliotekanauki.pl/articles/2027995.pdf Link otwiera się w nowym oknie
Opis:: Crisp values are insufficient to model real-life situations and imprecise ideas are frequently represented in multicriteria decision aid analysis. In fact, it is difficult to treat the evaluation criteria precisely and to fix exact preferences rating. The triangular intuitionistic fuzzy numbers succeeded to treat this kind of ambiguity in a great deal of research than other forms of fuzzy representation functions. The field of sorting issues is an active research topic in the multiple criteria decision aid (MCDA). This study extended one of the sorting methods, FLOWSORT, for solving multiple criteria group decision-making problems. This extension described the preferences rating of alternatives as linguistic terms which can be easily expressed in triangular intuitionistic fuzzy numbers. To validate our extension, an illustrative example as well as an empirical comparison with other multi-criteria decision making methods is presented.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: An extension of the codas method based on interval rough numbers for multi-criteria group decision making
Autorzy:: Regaieg Cherif, Mouna
Moalla Frikha, Hela
Tematy:: Group decision making
Interval Rough Numbers
IR-CODAS method
Risk assessment; Pokaż więcej
Wydawca:: Uniwersytet Ekonomiczny w Katowicach
Powiązania:: https://bibliotekanauki.pl/articles/2028004.pdf Link otwiera się w nowym oknie
Opis:: This study aims to develop a new Interval Rough COmbinative Distance-based Assessment (IR CODAS) method for handling multiple criteria group decision making problems using linguistic terms. A single decision maker is unable to express his opinions or preferences on multiple criteria decisions, while a Multi-Criteria Group Decision Making MCGDM process ensures successful outcomes when handling greater imprecision and vagueness information. A real-life case study of risk assessment is investigated using our proposed IR-CODAS method to test and validate its application; a sensitivity analysis is also performed.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: A multiple attribute group decision making method based on generalized interwal-valued trapezoidal fuzzy numbers
Autorzy:: Liu, P.
Wang, Y.
Tematy:: interval-valued fuzzy number
grey correlative coefficient
multiple attribute group decision making; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/205631.pdf Link otwiera się w nowym oknie
Opis:: A ranking approach based on grey correlative coefficient is presented to solve the multiple attribute decision making problems in which the attribute values and the weights take the form of the generalized interval-valued trapezoidal fuzzy number (GIYTFN). Firstly, the concept and the calculation rules of GIYTFN are introduced, the distance of GIYTFN is proposed. Secondly, the method of linguistic terms transformed into GIYTFN and the normalization method of GIYTFN is illustrated, and a grey relational decision making method based on the GIYTFN is presented in detail. The alternatives are ranked based on the grey correlative coefficient. Finally, an illustrative example is given to show the effectiveness of this method and the decision making steps.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Przedziałowa metoda TOPSIS dla grupowego podejmowania decyzji
The interval TOPSIS method for group decision making
Autorzy:: Kacprzak, Dariusz
Tematy:: liczby przedziałowe
TOPSIS
grupowe podejmowanie decyzji
interval numbers
group decision making; Pokaż więcej
Wydawca:: Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Powiązania:: https://bibliotekanauki.pl/articles/2127675.pdf Link otwiera się w nowym oknie
Opis:: Cel – Celem pracy jest przedstawienie nowego podejścia do rankingu wariantów decyzyjnych z danymi przedziałowymi dla grupowego podejmowania decyzji, wykorzystującego metodę TOPSIS. Metodologia badania – W proponowanym podejściu, wszystkie pojedyncze oceny decydentów są brane pod uwagę w wyznaczaniu końcowych ocen wariantów decyzyjnych oraz ich rankingu. Kluczowym jego elementem jest przekształcenie macierzy decyzyjnych dostarczonych przez decydentów, w macierze wariantów decyzyjnych. Wynik – Nowe podejście do grupowego podejmowania decyzji wykorzystujące metodę TOPSIS. Oryginalność/wartość – Proponowane podejście jest nowatorskie oraz łatwe w użyciu.
Goal – The purpose of the paper is to present a new approach to the ranking of alternatives with interval data for group decision making using the TOPSIS method. Research methodology – In the proposed approach, all individual assessments of decision makers are taken into account in determining the final assessments of alternatives and their ranking. The key stage of the proposed approach is the transformation of the decision matrices provided by the decision makers into a matrices of alternatives. Score – A new approach for group decision making using the TOPSIS method. Originality/value – The proposed approach is innovative and easy to use.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Conflict Management in University Examination Timetabling Problem: A case study of summer school mid-terms
Autorzy:: Bayar, Mustafa Mehmet
Uzun Bayar, Irmak
Tematy:: examination timetabling
group decision making
lexicographic optimization
linear mixed integer programming; Pokaż więcej
Wydawca:: Wyższa Szkoła Bankowa we Wrocławiu
Powiązania:: https://bibliotekanauki.pl/articles/14147915.pdf Link otwiera się w nowym oknie
Opis:: Abstract: Aim: This study is on tackling Examination Timetabling Problem (ETP) of the Faculty of Economics And Administrative Sciences (FEAS) of the Ankara HBV University summer school, where the courses of fall and spring semesters are offered simultaneously and regulations on restricting enrollments in inter-department electives or in-department courses of distinct years are relaxed. Thus, the complexity of the nature of the ETP problem is exacerbated. The direct heuristics based on successive assignments that the university normally adopts was proven inadequate for assuming standard regulations hence, another approach we explain in this paper was needed. Design / Research methods: The ETP was formulated as a Linear Mixed-Integer Program (LMIP) and decomposed into three stages; timetabling exams, room assignment, student allocation. To manage the conflict between the stakeholders of the examination procedure, a lexicographic optimization process based on the priority of the parties was undertaken. Conclusions / findings: After a recursive timetabling process based on a trial-and-error method a clash-free timetable was generated and, a room assignment plan that minimizes the total number of proctoring duties, usage of higher floor rooms and total crowdedness of rooms respectively was put into action. Therefore no student group experienced any clashing exams, the faculty members saved time that can be spent on research instead, since the room usage was better planned the costs (elevator usage, lighting, air conditioning, the labor of the janitors) were assumed to be decreased. Originality / value of the article: Each examination period bares a different ETP due to its problem-specific nature (number of courses offered, structure of student enrollments, availability of rooms, etc.). Summer schools provide a more irregular structure that demands special attention, a trial-and-error reformulation of the ETP in our case. In addition, the traditional formulations of the ETP, to the extent we have been able to scan, do not include the minimization of the crowdedness of the rooms. Thus, in creating a more comfortable environment, easier to monitor exams and, ability in handling unexpected dysfunctionalities (broken classroom equipment, etc.) this study is novel. Limitations of the research: The algorithms to solve an ETP formulated as an LMIP are of high complexity therefore, we are not able to assert the optimality of our suggested solutions acquired within time limitations. Keywords: examination timetabling, group decision making, lexicographic optimization, linear mixed-integer programming JEL: C44, C61, M12
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Wybór najlepszego projektu zgłoszonego w ramach BO z wykorzystaniem metody wielokryterialnego grupowego podejmowania decyzji AHP
Choosing the best project submitted in the context of bo using the method of multi-criteria group decision making AHP
Autorzy:: Kannchen, M.
Tematy:: AHP
podejmowanie decyzji
decyzje grupowe
decyzje wielokryterialne
analytic hierarchy process
group decision making
multi-criteria decision making; Pokaż więcej
Wydawca:: Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Powiązania:: https://bibliotekanauki.pl/articles/108874.pdf Link otwiera się w nowym oknie
Opis:: Artykuł prezentuje możliwość wykorzystania wielokryterialnego grupowego podejmowania decyzji metodą AHP w podejmowaniu takich decyzji, w których przy dokonaniu właściwego wyboru musimy rozpatrzyć różne warianty, oceniając je według różnych kryteriów. Musimy więc posiadać wiedzę na ich temat, nie zawsze podaną w sposób ilościowy, a ocena powinna być względnie obiektywna, czyli niezależna od preferencji i opinii pojedynczego decydenta. W artykule przedstawiono metodę wykorzystania grupowego AHP w celu sklasyfikowania projektów zgłoszonych do realizacji w ramach budżetu obywatelskiego. Klasyfikacja ta pozwoli określić, które z projektów zdaniem ekspertów będą miały największy wpływ na zrównoważony rozwój miasta, a co za tym idzie – powinny być „wskazane” mieszkańcom jako te lepsze wśród projektów zgłoszonych.
The article presents the possibility of using multi-criteria group decision making using AHP in making such decisions in which in order to make the right choice, we must consider different variants of assessing them according to various criteria. Therefore, we need to possess knowledge about them, which is not always given in a quantitative manner, and the evaluation should be relatively objective that is independent of the preferences and opinions of a single decision-maker. The article presents a method of using group AHP in order to classify the projects submitted for implementation under the civil budget. This classification will determine which of the projects, according to experts, will have the greatest impact on sustainable development of the city, and thus should be “pointed” to the inhabitants as the ones that are better among the projects submitted.
Dostawca treści:: Biblioteka Nauki

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