Yazar "Mühendislik ve Doğa Bilimleri Fakültesi -- Endüstri Mühendisliği Bölümü" için Makale Koleksiyonu listeleme
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Analysis of Causality Between Bitcoin and Ethereum Using Transfer Entropy
Ünal, Baki; Sakallı, Abdulla (Üçüncü Sektör Sosyal Ekonomi Dergisi, 2022)In the literature causality and information flow between time series are investigated. To analyze this relationship several causality tests are proposed. Mostly used causality tests are Granger, Toda-Yamamoto and Hatemi-J ... -
Application of an aggregation technique to facility layout design selection
Altuntaş, Serkan; Dereli, Türkay (Yildiz Technical University, 2017)Facility layout in manufacturing and service systems affects the productivity and efficiency of the systems. Generally, more than one appropriate location is available based on associations among facilities. This leads to ... -
Artificial bee colony algorithm for operating room scheduling problem with dedicated/flexible resources and cooperative operations
Bektur, Gülçin; Aslan, Hatice Kübra (International Journal of Optimization and Control: Theories and Applications, 2024)In this study operating room scheduling (ORS) problem is addressed in multi- resource manner. In the addressed problem, besides operating rooms (ORs) and surgeons, the anesthesia team is also considered as an additional ... -
Assessment of corporate innovation capability with a data-mining approach: industrial case studies
Altuntaş, Serkan; Dereli, Türkay; Kusiak, Andrew (Elsevier, 2016)The interest in assessment of innovation capability of manufacturing systems is fueled by the growing competition. At this time, there is no generally accepted model to evaluate innovation capability of manufacturing ... -
Beyaz Peynirden İzole Edilen Cryptococcus Humicola Suşlarının Starter Aktivitelerinin Araştırılması
Sakallı, Abdulla (Gıda Teknoloji Derneği, 2020)Starter kültür, kontrollü koşullarda standart kültür elde etmek için endüstride kullanılan mikroorganizmalardır. Mayalar destekleyici kültürler olarak fermente ürünlerin olgunlaşmasında, aroma ve kıvamın gelişmesinde katkıda ... -
BIST100 Endeksi ve Dolar Kuru Arasındaki İlişkinin Transfer Entropisi ile Analizi
Ünal, Baki; Eroğlu, Yunus (Gümüşhane Üniversitesi, 2022)Farklı alanlardaki zaman serileri arasındaki nedenselliğin ve bilgi akışının analizi literatürde önemli bir araştırma başlığıdır ve farklı nedensellik testleri önerilmiştir. Bunlardan en yaygın kullanılanları Granger, ... -
Causality Analysis for COVID-19 among Countries Using Effective Transfer Entropy
Ünal, Baki (MDPI, 2022)In this study, causalities of COVID-19 across a group of seventy countries are analyzed with effective transfer entropy. To reveal the causalities, a weighted directed network is constructed. In this network, the weights ... -
A clustering-based approach for the evaluation of candidate emerging technologies
Altuntaş, Serkan; Erdoğan, Zülfiye; Dereli, Türkay (Springer, 2020)The aim of this study is to propose a clustering-based approach based on patent information for the evaluation of candidate emerging technologies. The proposed approach uses patent analysis and clustering approaches in ... -
A Comparative Analysis of Dropout Prediction in Massive Open Online Courses
Şahin, Mehmet (Springer, 2021)Massive open online courses (MOOCs) provide a valuable learning platform for global learners. They are extensively utilized by an increasing number of people from all over the world due to their remarkable features, including ... -
A comprehensive analysis of weighting and multicriteria methods in the context of sustainable energy
Şahin, Mehmet (Springer, 2020)This study presents a comprehensive and comparative analysis of weighting and multiple attribute decision-making (MADM) methods in the context of sustainable energy. As the selection problems of energy involve various ... -
A comprehensive analysis of weighting and multicriteria methods in the context of sustainable energy
Şahin, Mehmet (Springer, 2021)This study presents a comprehensive and comparative analysis of weighting and multiple attribute decision-making (MADM) methods in the context of sustainable energy. As the selection problems of energy involve various ... -
Decision making in the manufacturing environment using the technique of precise order preference
Altuntaş, Serkan; Dereli, Türkay; Erdoğan, Zülfiye (Yildiz Technical University, 2023)Wrong decisions in manufacturing systems can jeopardize the continuity of production and reduce productivity and efficiency. Therefore, it is essential to make the right decisions in solving the problems encountered in ... -
Distributed Flow Shop Scheduling Problem With Learning Effect, Setups, Non-Identical Factories, and Eligibility Constraints
Bektur, Gülçin (University of Cincinnati, 2022)In the flow shop scheduling, the route of each job is the same, and the order of the jobs on the machines is determined. In the distributed flow shop scheduling (DFSS) problem, on the other hand, the assignment of jobs to ... -
Does fleet standardization matter on profitability and financial policy response of airlines during COVID-19 pandemics in the U.S?
Atay, Metehan; Eroğlu, Yunus; Seçkiner, Serap Ulusam (Elsevier, 2022)This study tries to find the contribution of the fleet standardization index of airline companies through the financial values of airlines in the COVID-19 pandemic crisis. One of the driving forces of this research is the ... -
Domestic flight network hub location problem under traffic disruption with sustainability provision
Atay, Metehan; Eroğlu, Yunus; Seçkiner, Serap Ulusam (Elsevier, 2023)There are many models in the current literature used extensively for the last 20 years on hub location problems and collect-distributive network structures. A centrally hub located facility serves as the main distribution ... -
Early fault prediction of a wind turbine using a novel ANN training algorithm based on ant colony optimization
Eroğlu, Yunus; Seçkiner, Serap Ulusam (Journal of Energy Systems, 2019)The technological developments in wind energy field have reduced the investment and the operation costs. For this reason, wind farms have become more popular around the world. Increasing the share of wind energy in the ... -
Electrospinning of PVDF nanofibers incorporated cellulose nanocrystals with improved properties
Aydemir, Deniz; Sözen, Eser; Borazan, İsmail; Gündüz, Gökhan; Ceylan, Esra; Gülsoy, Sezgin Koray; Kılıç-Pekgözlü, Ayben; Bardak, Timuçin (Springer, 2022)Polyvinylidene fluoride (PVDF) nanofibers with cellulose nanocrystals (CNCs) were produced with the electrospinning technique at the CNC loading rates of 0.25, 0.50, 0.75, and 1 wt%. CNCs were obtained with acid hydrolysis ... -
Electrospinning of PVDF nanofibers incorporated cellulose nanocrystals with improved properties
Aydemir, Deniz; Sözen Eser; Borazan, İsmail; Gündüz, Gökhan; Ceylan, Esra; Gülsoy, Sezgin Koray; Kılıç-Pekgözlü, Ayben; Bardak, Timuçin (Springer, 2022)Polyvinylidene fluoride (PVDF) nanofibers with cellulose nanocrystals (CNCs) were produced with the electrospinning technique at the CNC loading rates of 0.25, 0.50, 0.75, and 1 wt%. CNCs were obtained with acid hydrolysis ... -
Enerji etkin ve sıra bağımlı hazırlık süreli tek makine çizelgeleme problemi için tavlama benzetimi algoritması tabanlı hibrit sezgisel çözüm önerisi
Bektur, Gülçin (Gazi Üniversitesi, 2021)Artan karbondioksit emisyonu ve enerji tüketimi, enerji etkin çizelgeleme problemlerine ilgiyi arttırmıştır. Bu çalışmada çok amaçlı enerji etkin tek makine çizelgeleme probleminde enerji tasarrufunun sağlanması amacıyla ...