Yazar "Çakır, Volkan" için listeleme
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Analysis of project profitability and schedule overruns using system dynamics, a case study of trigeneration system
Elçi, Ali Fırat; Çakır, Volkan (IEOM Society, 2018)Combined heat and power systems also known as trigeneration and cogeneration systems are capable of providing electricity, heating and cooling powers using one fuel simultaneously. Natural gas, biogas and landfill gas can ... -
Developing and Analyzing the Strategic Plan for Mado Company
Ercan, Sami; Çakır, Volkan; Güney, Evren; Düzdar, İrem; Efendioğlu, Deniz (IATED-INT ASSOC TECHNOLOGY EDUCATION A& DEVELOPMENT, 2013)Turkey is a country where people's entrepreneurial characteristics are high; fifty thousand Turks in Germany established their own businesses. If there are still optimism about the Turkish Economy in spite of creeping ... -
An efficient variable neighbourhood search heuristic for the influential selection problem
Güney, Evren; Düzdar, İrem; Çakır, Volkan; Özdemir, Abdullah; Şahin, Özge (National Technical University of Athens, 2014)A online social network consists of individuals or entities which are tied by a certain type of interdependency such as collaboration, friendship or acquaintance. Due to the wide usage of internet, many companies actively ... -
Forecasting air passenger demand with system dynamics under terrorism threat
Çakır, Volkan; Oguz, S. (IEOM Society, 2018)In this study, a simulation model was developed in order to forecast and analyze air passenger demand and to determine when a capacity expansion in Istanbul Atatürk International Airport will be needed using System Dynamics ... -
Longitudinal Academic Performance Analysis Using a Two-Step Clustering Methodology
Çakır, Volkan; Gheorghe, Adrian (Tempus Publications, 2017)The present study aims to examine the academic profiles of industrial engineering undergraduate students among a sample group of military college engineering students ( N= 276) in order to determine the factors impacting ... -
A mathematical model and solution techniques for the influential selection problem
Güney, Evren; Ercan, Sami; Çakır, Volkan; Düzdar, İrem (Institute of Industrial Engineers, 2013)In the era of social networks, many companies shift their marketing campaigns to this new media. Any person who influences his/her connections is called an influential. Since companies have limited budgets for advertising, ... -
Molecular genetic analysis of the F11 gene in 14 Turkish patients with factor XI deficiency: identification of novel and recurrent mutations and their inheritance within families
Çolakoğlu, Şeyma; Bayhan, Turan; Tavıl, Betül; Keskin Yılmaz, Ebru; Çakır, Volkan; Gümrük, Fatma; Çetin, Mualla; Aytaç, Selin; Berber, Ergül (Simti Servizi SRL, 2018)Background. Factor XI (FXI) deficiency is an autosomal bleeding disease associated with genetic defects in the F11 gene which cause decreased FXI levels or impaired FXI function. An increasing number of mutations has been ... -
Production process evaluation and improvement by using the method of discrete event simulation
Karaca, Tolga Kudret; Çakır, Volkan (EUROSIS, 2017)The label printing and packaging industry has a rapidly growing and evolving market in the world. The most important aim of the companies is to accomplish the demand and expectations of the customers in the market. Label ... -
A system dynamics approach model for quitting smoking behaviour and an analysis in Turkey
Hoşyılmaz, Uğur; Çakır, Volkan (IEOM Society, 2018)It is very important to understand the factors affecting tendency of smoking for healthcare and public policies. Smoking is a major risk factor for health. Smoking cigarettes kills more than alcohol, car accidents, HIV, ...