Detaylı Arama
İptal
Bulunan: 13 Adet 0.002 sn
- Eklemek veya çıkarmak istediğiniz kriterleriniz için 'Dahil' / 'Hariç' seçeneğini kullanabilirsiniz. Sorgu satırları birbirine 'VE' bağlacı ile bağlıdır.
- İptal tuşuna basarak normal aramaya dönebilirsiniz.
Filtreler
Filtreler
Bulunan: 13 Adet 0.002 sn
Yazar : Erkan KÖSE ✕Tür : Makale/Derleme ✕
Koleksiyon [5]
İlgili Araştırmacılar [4]
Tam Metin [2]
Tür [1]
Yazar [4]
Konu Başlıkları [20]
Açık Erişim Tarihi [1]
Tarih [6]
Dizin Platformu [2]
İsmi Geçen [4]
WOS Kategorileri [5]
Erişime Açık

AHP ve TOPSIS yöntemleriyle yardıma muhtaç kişilerin seçimi

Burcu ORALHAN | Erkan KÖSE

Fakru zaruret içinde ve muhtaç durumda bulunan vatandaşlar ile gerektiğinde her ne suretle olursa olsun Türkiye'ye kabul edilmiş veya gelmiş olan kişilere yardım etmek, sosyal adaleti pekiştirici tedbirler alarak gelir dağılımının adilane bir şekilde tevzi edilmesini sağlamak, sosyal yardımlaşma ve dayanışmayı teşvik etmek maksadıyla her il ve ilçede Sosyal Yardımlaşma ve Dayanışma (SYD) vakıfları kurulmuştur. SYD Vakıflarına geçmiş yıllarda yapılan başvurular incelendiğinde vakıfların sahip oldukları kaynakların ihtiyacın tamamını karşılamada yetersiz kaldığı görülmektedir. Mevcut durumda baş ...Daha fazlası

Makale/Derleme 2019 Akamdemik Bakış Uluslararası Hakemli Sosyal Bilimler Dergisi 8 Görüntülenme
Erişime Açık

N-person grey game

Erkan KÖSE

Purpose – One important assumption in the conventional cooperative game theory is that payoffs are assumed to be deterministic. In terms of the players’ cognitive ability of the realistic world, this is a very strict assumption. The classical game theory can find no way out when a particular game circumstance involves uncertainty, such as limited knowledge, small sample, and inadequate information, the payoff values of the game can only be described with interval grey numbers. The paper aims to discuss these issues. Design/methodology/approach – In this study the concept of N-person grey games ...Daha fazlası

Makale/Derleme 2015 KYBERNETES 14 Görüntülenme
Erişime Açık

Project staff scheduling with theory of coalition

Oğuzhan Ahmet ARIK | Erkan KÖSE

Project scheduling has been still one of the hottest topics in the management area. The goal of traditional project management is to complete the project at the earliest possible time in accordance with the available resources without violating priority relations of the activities involved. Unlike traditional project management, this study deals with the possibility of a coalition among the staf available to accomplish tasks of the project. The tasks can be fulflled by more than one staf members. Staf’s coalition shortens the completion time of the tasks. A natural problem that arises in this ...Daha fazlası

Makale/Derleme 2019 GROUP DECISION AND NEGOTIATION 12 Görüntülenme
Erişime Açık

Locating unmanned aircraft systems for multiple missions under different weather conditions

Erkan KÖSE

Motivated by the increasing civilian use of Unmanned Aerial Vehicles (UAVs), this paper considers the simultaneous location and routing of UAVs for multiple missions and diferent weather conditions. We include modeling and computational experience inspired by requirements for air surveillance by the Turkish government’s public agencies. We model these demands in multiple mission areas and consider the impact of diferent weather conditions on the ability to employ UAVs from diferent geographic locations. We formulate the problem as a two-stage stochastic integer linear program with recourse and ...Daha fazlası

Makale/Derleme 2019 Operational Research 5 Görüntülenme
Erişime Açık

The most livable city selection in Turkey with the grey relational analysis

Erkan KÖSE | Gülçin CANBULUT

Purpose – This study has two main objectives: (1) to expand the application areas of grey system theory and (2) to select the most livable city in Turkey. Design/methodology/approach – Choosing the most livable city is a complex problem that requires many criteria to be considered. It is important to select decision points according to which the criteria selection will be made and to what extent the criteria will affect the evaluation. For this purpose, a questionnaire was prepared to determine the criteria to be used in the assessment. The survey results were evaluated by the factor analysis ...Daha fazlası

Makale/Derleme 2020 Grey Systems: Theory and Application 5 Görüntülenme
Erişime Açık

Goal programming approach for carrying people with physical disadvantages

Oğuzhan Ahmet ARIK | Erkan KÖSE | Gülçin CANBULUT

Most of today's optimization efforts aim to reduce costs, time or the number of resources used. However, optimization efforts should consider other factors as important as these, such as facilitating the lives of the disabled, elderly and pregnant and helping them in their daily lives. In this study, the Nuh Naci Yazgan (NNY) University (Kayseri/Turkey) personnel transport problems were discussed. The NNY University provides a shuttle service to bring employees to school at the start of the work and to leave them at home after work. In order to shorten the collection / distribution time and th ...Daha fazlası

Makale/Derleme 2020 Promet - Trafic&Transportation 7 Görüntülenme
Erişime Açık

Simple Assembly Line Balancing Problem of Type 1 with Grey Demand and Grey Task Durations

Oğuzhan Ahmet ARIK | Erkan KÖSE

Purpose – The purpose of this paper is to present a mixed integer programming model for simple assembly line balancing problems (SALBP) with Type 1 when the annual demand and task durations are uncertain and encoded with grey numbers. Design/methodology/approach – Grey theory and grey numbers are used for illustrating the uncertainty of parameters in an SALBP, where the objective is to minimize the total number of workstations. The paper proposes a 0-1 mathematical model for SALBP of Type 1 with grey demand and grey task durations. Findings – The uncertainty of the demand and task durations ar ...Daha fazlası

Makale/Derleme 2019 Grey Systems: Theory and Application 8 Görüntülenme
Erişime Açık

An integrated approach based on game theory and geographical information systems to solve decision problems

Erkan KÖSE

In this study, a military decision problem is handled by an integrated approach based on game theory and geographical information systems (GIS). The problem can be defined as: finding layout plan for troops who want to maximize probability of identifying enemies using particular routes to penetrate border line. The problem has been transformed to two-person zero-sum game by some assumptions and solved in four interconnected stages. First, suitable spots in the terrain for monitoring the enemies were identified. Then, visi- bility percentages of each of the spots were calculated by using GIS fo ...Daha fazlası

Makale/Derleme 2017 APPLIED MATHEMATICS AND COMPUTATION 7 Görüntülenme
Erişime Açık

Public transportation vehicle selection by the grey relational analysis method

Gülçin CANBULUT | Erkan KÖSE | Oğuzhan Ahmet ARIK

The success of businesses today is largely dependent on their ability to find solutions to complex problems they encounter. Vehicle selection, which requires considering many objective and subjective criteria, is at the top of these problems. The tramway selection problem of a company operating in the public transport sector in Turkey is discussed in this study. The company wants to increase passenger carrying capacity and renew its vehicle fleet. For this purpose, it has to choose from eight alternative vehicles with different superior features. Considering the high costs that may arise from ...Daha fazlası

Makale/Derleme 2021 Public Transportation 11 Görüntülenme
Erişime Açık

Geodetic deformation forecasting based on multi-variable grey prediction model and regression model

Erkan KÖSE

Purpose – The purpose of this paper is to examine the effectiveness of the multivariable grey prediction model in deformation forecasting. Design/methodology/approach – Deformation in a dam can be seen because of many factors but without any doubt, the most influential factor is the water level. In this study, the deformation level of a point in the Keban Dam crest has been tried to be forecasted depending on the water level by the multivariable grey model GM(1,N). Regression analysis was used to test the accuracy of the prediction results obtained using the grey prediction model. Findings – T ...Daha fazlası

Makale/Derleme 2019 GREY SYSTEMS-THEORY AND APPLICATION 12 Görüntülenme
Erişime Açık

An economy’s emergent properties and how micro agents with ınconsistent or conflicting ınterests are holistically organized into macro entities

Erkan KÖSE | Oğuzhan Ahmet ARIK

The existing literature documents that computer simulations can reveal how characteristics of micro-level individuals give rise to macro-level phenomena of systemic wholes. This paper seeks to establish such an important simulation-based observation as a theoretical result on a sound foundation. Going beyond addressing when holistic phenomena can naturally emerge from micro-level characteristics, this paper investigates how and why many macro-level entities appear to answer market calls through organically gathering micro-level agents into uniformly-oriented operational wholes, even though the ...Daha fazlası

Makale/Derleme 2021 Naše gospodarstvo/Our economy 6 Görüntülenme
Erişime Açık

Handling of revenue sharing contracts within the scope of game theory

Gülçin CANBULUT | Erkan KÖSE | Oğuzhan Ahmet ARIK

One of the most important problems faced in supply chain management is the coordination between supply chain members. Supply chain contracts, such as buyback contract, quantity-flexibility contract, revenue sharing contract, etc., can be used for solving this problem. In revenue sharing contracts, the manufacturer applies a low wholesale price to the retailer and in return shares a portion of the retailer's revenue. In this study, the revenue sharing contracts between the supplier and the retailer are handled as two-person non-constant sum games. There are two players in the game, supplier and ...Daha fazlası

Makale/Derleme 2021 Soft Computing 24 Görüntülenme
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