Bulent Sezen

• PhD
• Professor at Gebze Technical University

Diabetes is a significant disease that seriously affects the quality of life and has an increasing prevalence both worldwide and in Turkey. The toxic effects of diabetes cause permanent damage to many organs, such as the eyes, kidneys, heart, and brain. Therefore, early diagnosis and/or proper management of diabetes is extremely important. Vitamin...

Nutrition is defined as the process of obtaining and utilizing essential nutrients to sustain life. Nutrition is crucial for individuals to maintain a healthy and high-The evolving and changing human lifestyle, along with advancements in the food industry, enables individuals to meet their nutritional needs anywhere they desire. The development of...

Duygu analizi (sentiment analysis), yazılı metinlerdeki duygusal ifadeleri olumlu, olumsuz veya nötr olmalarına göre sınıflandırmaya yarayan bir tekniktir. Bu çalışmada, bir duygu analizi uygulaması yapılmıştır. Veri, Elektrikli araçlar (EA) konusunda kapsamlı bir portal olan İngiltere merkezli www.electricroad.co.uk sitesinden alınmıştır. Bu sited...

Battery estimation plays a critical role in enhancing the performance and reliability of electric vehicles (EVs), prompting an expanding body of research in this rapidly evolving field. This study presents a bibliometric analysis of 77 documents published between 1996 and 2024 on EV battery estimation, drawing on data from Scopus and analyzed using...

This paper presents a large-scale patent analysis of electric vehicle (EV) technologies, focusing on the striking surge in patent filings that occurred post-2020. We leveraged Python-based tools to collect, clean, and analyze a comprehensive dataset of 12,462 EV-related patents from major global repositories. Our methodology included keyword freque...

The transition to renewable energy sources has driven significant advancements in wind energy technology, with offshore wind emerging as a critical area of innovation. This study conducts a comprehensive text analysis of wind energy patents to identify key trends, technological developments, and emerging areas of research. Using natural language pr...

This research aims to assess the readiness of professionals working in offices to accept robots as co-workers, and to provide insight for robot developers and organizations in promoting robot acceptance. This study investigates the acceptance of robots in office environments using the Unified Theory of Acceptance and Use of Technology (UTAUT) frame...

Accurately estimating ink consumption is essential in the packaging printing industry to minimize waste, enhance production efficiency, and promote environmental sustainability. Traditional estimation methods, which rely on operator intuition, often lead to inefficiencies such as overproduction, excessive waste, and increased costs. This study inve...

This study presents a systematic literature review of machine learning (ML) applications in the packaging industry, highlighting their transformative impact on operational optimization and process efficiency. By analyzing 141 documents from 1976 to 2025, sourced from Scopus and processed using R software, the research identifies key application are...

Diabetes has become a common and endemic health problem worldwide. In the face of such a health problem, healthcare services seek help from technological developments to combat this disease. As in every field, Artificial Intelligence applications in healthcare are being discussed more and more every day. Among the most promising technological front...

Bu araştırmada, k-en yakın komşu (KNN) ve çok katmanlı algılayıcıyı (MLP) birleştiren hibrit bir trafik akışı tahmin yaklaşımı sunuyoruz. Bu model KNN-MLP modeli olarak adlandırmaktadır. Bu yöntemin amacı tahminlerin doğruluğunu arttırmaktır. KNN, çoğunlukla test istasyonuna bağlı olan çevredeki istasyonları seçmek ve trafik akışının mekansal özell...

Purpose This study aims to explore and segment consumer preferences for electric and hybrid vehicles in Germany, Sweden, the Netherlands and Turkey, focusing on understanding the various factors that influence consumer decisions in these markets. Design/methodology/approach Using latent class analysis (LCA) on data collected through online surveys...

Purpose With the increasing use of social media in operation and supply chain management (OSCM), it is of great importance for managers to consider risks in advance and take precautions against the risks that might arise from social media usage among supply chain members. The aim of this research is to identify and evaluate the risks related to the...

This comprehensive literature review aims to encapsulate the state-of-the-art SoC prediction methodologies developed between 2019 and 2023, highlighting the theoretical foundations, practical applications, and comparative analysis of various approaches. By examining scholarly articles indexed in Science Citation Index (SCI) journals, this review en...

This study investigates the application of machine learning (ML) techniques to predict car prices, a complex task due to the myriad of factors influencing a vehicle's market value. With the automotive market's continuous growth and the diversity of influencing factors such as make, model, fuel efficiency, and additional features, accurate car price...

In the rapidly evolving digital age, leveraging technological advancements for predictive analytics has become a critical asset across various domains, including sports. The ability to analyze vast datasets and extract meaningful insights is increasingly facilitating the strategic planning and decision-making processes in competitive sports. This s...

Emerging as a disruptive digital manufacturing technology, the widespread adoption of advanced manufacturing is still hindered by several challenges, including high entry barriers for design for manufacturing, limited material libraries, processing defects, and inconsistent product quality. Machine learning (ML) has gained increasing attention in m...

zet Gelişen teknolojik imkanlar ile üretim teknolojisi son yıllarda büyük bir ivme kazanmıştır. Bununla birlikte, endüstride yaygın olarak benimsenmesi, üretim ve tasarım için yüksek giriş engelleri, sınırlı bir malzeme seçeneği, çeşitli işleme kusurları ve tutarsız ürün kalitesi nedeniyle hala engellenmektedir. Sınıflandırma, regresyon ve kümeleme...

Nutrition is the basic requirement for the continuation of life. To grow and develop normally and lead a healthy and productive life, it is important that all the nutrients necessary for life are taken into the body (Ünsal, 2019). For this reason, the field of food is of great importance in the world and is the subject of many multidisciplinary stu...

Lithium-ion batteries are preferred in electric vehicles, the use of which is becoming increasingly common due to their various superior features. There are several studies in the literature on more accurate estimation of the charge states of lithium-ion batteries. There are three reliable and available data sources on the parameters affecting the...

The metaverse has become one of the most popular concepts of recent times. Companies and entrepreneurs are fiercely competing to invest and take part in this virtual world. Millions of people globally are anticipated to spend much of their time in the metaverse, regardless of their age, gender, ethnicity, or culture. There are few comprehensive stu...

The purpose of this study was to prove the use of content and sentiment analysis to understand public discourse on Nytimes.com around the coronavirus (2019-nCOV) pandemic. We examined the pandemic discourses in the article contents, news, expert opinions, and statements of official institutions with natural language processing methods. We analyzed...

The use of artificial intelligence in medical settings has seen significant development in the last several years. Machine learning (ML) has a broad range of applications in the field of medical diagnostics. Techniques from the field of machine learning are used in the process of forecasting or diagnosing a wide range of life-threatening diseases....

Learning by machine and statistical methods are potent analytical tools that have not yet been included in the emerging interdisciplinary subject that is variously known as natural language processing (NLP) or computational linguistics. It is possible for linguistic information to be ambiguous or to include ambiguity; hence, a variety of activities...

The aim of this study is to compile transformer fault prediction studies made in recent years using several methodological approaches such as fuzzy logic, artificial neural networks, and machine learning algorithms.

Error detection has a vital function in the production stages. Computer-aided error detection applications bring significant technological innovation to the production process to control the quality of products. As a result, the control of product quality has reached an essential point because of computer-aided image processing technologies. Artifi...

This study set out to better understand virtual consumerism (VC) by applying natural language processing (NLP) methods for sentiment and content analyses. A total of 318 articles related to VC were identified on theguardian.com Web site and analyzed by text mining methodology. A thematic, content analysis using the Leximancer program was performed...

Havacılık endüstrisinde uçak komponentlerinin Bakım (Maintenance), Onarım (Repair) ve Revizyon (Overhaul) (MRO) hizmetleri önemli bir süreç olmakla birlikte maliyetlerin büyük bir kısmını oluşturmaktadır. Bir uçağın ortalama 25-30 yıldan fazla ömre sahip dayanıklı bir yapıda olduğu gerçeği ve ilerleyen yıllarda ağır bakım gelirlerinin yerini kompon...

Defect detection of the solar cell surface with texture and complicated background is a challenge for solar cell manufacturing. The classic manufacturing process relies on human eye detection, which requires many workers without a steady and good detection effect. In order to solve the problem, a visual defect detection method based on a new deep c...

Bu çalışma için California Üniversitesi’nin kalp hastaları veri seti kullanıldı. Kan basıncı, kilo, cinsiyet, kolesterol vb. 11 farklı değişken ve 1190 veri örneğinden oluşan gerçek bir veri seti bulunmaktadır. Orijinal veri setinden üç değişken grubu silindi ve diğer beş değişken grup eklendi. Tablo 1 bu özellikleri göstermektedir. Bu araştırmada...

Although supply chain risk management is a process that can be actualized through collaboration and communication in supply chains, little is known about how social factors can lead to supply chain resilience (SCR). The present study evaluates the relationship between supply chain members as social relationships and explores their role in SCR. Foll...

This study aimed to analyze coronavirus (2019-nCOV) discourse related articles published on NyTimes.com with NLP methods and Leximancer. The textual data of the research were collected with the Orange3 software text mining tool via the NyTimes.com API, and qualitative content analysis was carried out with Leximancer and NLP methods. The research da...

The metaverse has become one of the most popular concepts of recent times. Companies and entrepreneurs are fiercely competing to invest and take part in this virtual world. Millions of people globally are anticipated to spend much of their time in the metaverse, regardless of their age, gender, ethnicity, or culture. There are few comprehensive stu...

Meeting customer needs in a timely manner has a significant impact on customer satisfaction. For this reason, the planning process has successfully influenced the success of sales activities. The crucial point for the success of the planning process depends on the sales forecasts. Sales forecasting estimates the quantity required by the customer ne...

Intelligent production requires improved data analytics and better technological possibilities to improve system performance and decision-making. With the widespread use of the machine learning process, a growing need has arisen for processing extensive production data, equipped with high volumes, high speed, and high diversity. At this point, deep...

The word Metaverse first emerged in the early nineties. However, after Facebook changed its brand name to Meta in October 2021, it suddenly became the most talked about brand on the world's agenda. Although millions of people spend hours on the Metaverse platform, which is one of the latest versions of virtual reality and augmented reality, studies...

Heart-related diseases or cardiovascular diseases (CVD) are the main reason for a considerable number of death in the world over the last few decades and the number 1 reason for death globally, taking an estimated 17.9 million lives each year. CVDs are a group of heart and blood vessels disorders and include coronary heart disease, cerebrovascular...

With the COVID-19 pandemic, supply chains are today confronted with more uncertainties than ever before. In the face of unanticipated disruptions, being resilient and sustainable has been rewarding for supply chains in terms of competitive advantage. However, literature is still far from possessing an encompassing sustainable supply chain framework...

Traffic density, which is one of the major problems of cities, affects human life in many ways. For a more livable urban life, by determining the current density, it is necessary to control the vehicle traffic and take necessary measures for future congestion. An estimation of density to be made taking into account the possible parameters that may...

Şehirlerin büyük problemlerden olan trafik yoğunluğu, insan hayatını birçok yönden etkilemektedir. Daha yaşanabilir bir kent hayatı için; mevcut yoğunluğun belirlenerek araç trafiğinin kontrol edilebilmesi ve ileride yaşanabilecek sıkışıklıklar için gerekli önlemlerin alınabilmesi gerekmektedir. Trafik yoğunluğunu arttırabilecek muhtemel parametrel...

Purpose This paper aims to analyze value co-creation (VCC) in new product development from consumer’s perspective. It offers a holistic approach to consumers’ VCC behavior with its before (drivers) and after (consequences) stages. Design/methodology/approach Three consecutive studies are carried out to test the hypotheses examining the antecedents...

Dünya çapında önde gelen birçok sigorta şirketi blokzincir teknolojisine yatırımlar yapmaya başladılar. Özellikle Bitcoin'in finansal sektörde yarattığı değişimin diğer alanlarda faaliyet gösteren sektörlerde aynı değişimi yaratması konusunda, bu konuya ilgi gösteren araştırmacı ve bilim insanlarının dikkatini çekmiştir. Son yılların önemli teknolo...

Purpose In spite of its potential benefits in a wide range of situations, supply chain risk mitigation strategies have received scant attention on the subject of managing the supply chain risk in the business environment. Especially, there is still a limited understanding of the importance of firms’ supply chain flexibility, resilience and responsi...

One of the most important issues in today's banking sector is that they want to add new customers to their bodies and want to keep their current customers. For this, banks spend a lot of money. Because of the methods they use, they either have to keep information flow to all their customers or they have to focus on their customers, whose traditiona...

In this study, a conceptual model for constructing an order acceptance/refusal mechanism has been developed. Major factors affecting the decision of accepting or refusing an order, including product specifications, order quantity, price, due date, current work toad at the job shop, and customer value, are considered in building the conceptual model...

One of the greatest threats faced by organizations is disruption in the supply chain arising from not sharing risk information among the supply chain partners. The aim of this study is to identify the inhibitors of risk information sharing in a supply chain by using practical‐side evidence. An exploratory multiple case design was utilized to invest...

Bu makalede yapay sinir ağları ile banka müşterilerinin, bankadan ayrılma olasılığının tahmini yapılmıştır. Günümüzde gelişen teknoloji ile birlikte artan banka sayıları, bankalar için mevcut müşterilerinin elde tutulması ve yeni müşterilerin sistemlerine dahil edilmesi önem kazanmıştır. Banka faaliyetleri olarak mecvut müşterilerinin içerisinde ay...

Although recently there has been great interest in supply chain risk management (SCRM), little is known about in the field of risk management why some supply chains perform well, whereas others do not. For this reason, this study focuses on variables that can improve SCRM performance. Collaborative risk mitigation strategies, namely, risk informati...

In order to minimize the negative effects of traffic intensity on human life, which is one of the biggest problems of city life, it is necessary to take correct and effective measures, and for this, to make accurate predictions about the current and future traffic congestion. In the literature, it was seen that successful prediction results wer e o...

Since the Industrial Revolution, industrialization has been spreading quickly. As the use of technology becomes more common, the need for producing increases. Because the improvement of technology determines a brand new product style for people. Developing technology leads many companies to be in a competition. Tüpraş, which has many successful ini...

The purpose of this study is to investigate the relationships between innovation, continuous improvement and financial performance, and especially to search for the existence of a mediating effect of continuous improvement on the relationship between innovation and financial performance. In this context, a research model and related hypotheses have...

Abstract: It is a fact that urban expansion has many negative effects. Settlement areas with increasing human population are narrowing day by day. Studies have shown that increase in accidents is due to incorrect construction of roads. Because of this, attention should be paid to the issue of both transportation and environmentally sustainable impr...

Purpose The purpose of this paper is to explore the impact of eight dimensions of green supply chain management (GSCM) on economic, environmental and social performance, which are the three dimensions of corporate sustainability. The eight dimensions covered in this study are: green purchasing, green manufacturing, green distribution, green packag...

According to many, we are at the brink of the fourth industrial revolution. The theme of Industry 4.0 is "Smart Manufacturing for the Future". Now, some futurists even discuss what the fifth industrial revolution’s theme will be. There are a few visions for Industry 5.0. One emerging theme is human-robot co-working. In recent years, we have seen si...

zet-Çağımızda hızla gelişen teknoloji ve bilgi sistemlerinin birbiri ile entegrasyonu, işletmelere rekabet ortamında varlıklarını sürdürebilme ve gelişme imkanı sağlamaktadır. Bilgi teknoloji sistemlerinden yararlanma yöntemlerinden biri olan Kurumsal Kaynak Planlama (Enterprise Resource Planning-ERP), işletmelerin tüm fonksiyonlarını ve kurumsal k...

Based on an extensive literature review, this paper identifies nine erosion factors that lead to the birth of open innovation and discovers their interrelations by using Interpretive Structural Modeling (ISM). As a result, digital technologies and globalization emerged as major drivers. More interestingly, erosion factors proposed by leading open i...

In natural disasters, it is possible to access the locations of people who need search and rescue and the coordination of spontaneous volunteers, who converge to the disaster area, can also be done by using smartphones. This has led to an assignment problem between disaster victims and spontaneous volunteers in case of a natural disaster. The probl...

Bu makalenin amacı, taşınma sürecinde olan bir çelik dövme ve işleme firmasının, mevcut olan temel iç lojistik aşamalarını (atölyeler arasında olan yarımamul taşımaları / mamul halindeki ürünün taşınması ve istiflenmesi) analiz edilerek, yeni tesisteki iç lojistik faaliyetlerinin yeniden yapılandırılması sonucunda harcanan işgücünün ve buna bağlı o...

Elektrikli araçlar dünyada 1880’li yıllardan itibaren kullanılmaya başlanmıştır. İlk zamanlarda benzin yakıtlı araçlar ile rekabet eden elektrikli araçlar, benzinli araçların seri üretime geçerek çok düşük fiyatlardan satılmaları üzerine piyasadan çekilmiştir. 1990’lı yıllarda fosil yakıtların çevreye olan zararlı etkileri nedeniyle bu araçlar tekr...

In today’s dynamic environment, it has become a necessity for firms to better control their supply chain operations against supply chain vulnerabilities. Little consideration has been paid to the relationship between business environment, supply chain risks, supply chain vulnerability, supply chain performance and sustainability. Hence, we aim with...

KARAYOLU YOLCU TAŞIMACILIĞINDA SEFER DÜZENİ VE GELİR OPTİMİZASYONU

Increases in environmental problems require companies to be more aware towards the environment and take precautions regarding the problems. As a result, companies have started to embrace the concept of green supply chain which includes environmental issues rather than the concept of supply chain which is based on profitability. Green supply chain (...

Today's highly competitive and rapidly changing environment makes innovation more challenging, costly and risky for companies. To overcome these challenges and to decrease the cost and the risk of innovation, companies, including SMEs, have adopted a new approach called Open Innovation, which was proven by academic studies to be useful for SMEs to...

In recent years, many empirical studies about the factors affecting multinational/multicultural team performance has been published. But these studies mostly focused on a single factor or only a maximum of three factors. Studies analyzing the complex relationships between these variables or their interrelations and how they influence team performan...

ÖZET Amaç: Günümüzde, iş kazaları dünyada önemli bir halk sağlığı sorununu oluşturmaktadır. Türkiye’deki iş kazası ve meslek hastalıkları sonucu ölümlerin son iki yirmi bilançosu çok ağır olmuştur. Türkiye, ölümcül iş kazalarının sayısı bakımından Avrupa'da birinci sırada yer almaktadır. Bu çalışmada, insani gelişmenin boyutları ile iş kazaları ara...

http://www.amazon.com/Antecedents-Deviant-Workplace-Behaviors-Personality-Based/dp/3639860896/ref=sr_1_1?ie=UTF8&qid=1447417560&sr=8-1&keywords=bora+y%C4%B1ld%C4%B1z

Today work accidents constitute a major public health problem in the world. For the last two decades, Turkey has been suffering from the death toll resulting from work accidents and occupational diseases. In this study, the analysis of human development's dimensions gives the picture of reasons why Turkey is ranked as the first in Europe in terms o...

Effectiveness and efficiency have always been one of the main concerns for organizations. These concepts are commonly used for processes, products, machineries, etc. However, it is obvious that these concepts are also related with the employees and their behaviors. Given the organizations’ profit maximization policies, the employee related efficien...

Creative solutions are of vital importance for organizations, where competition is inevitable to survive. Right at this point; innovative constructive deviants are forefront warriors of this competition. Innovative constructive deviance, as a sub-dimension of constructive deviance, is one of the most important research areas in the current literatu...

Today’s organizations are more flexible, creative, innovative and decentralized than past organizations. Constructive deviant workplace behaviors have a vital importance for organizations in terms of their positive effects. Although numerous researchers in the literature have tried to determine and clarify antecedents and consequences of constructi...

ÖzetKüreselleşme ile birlikte artan ticaret eğilimleri beraberinde lojistik faaliyetlerin ve lojistik sektörününönemini her geçen gün biraz daha arttırmaktadır. Lojistik merkez kavramı ortaya atılıp uygulamayageçmesinden sonra sağladığı üstünlükler nedeniyle hızla yaygınlaşmaya başladığı gözlenmiştir. Avrupa’dabugün sayıları 80’yi aşan lojistik mer...

Purpose – The purpose of this paper is to determine as to develop a fuzzy multi-criteria decision-making (MCDM) algorithm with self-check capability that can solve any manufacturing company's printed circuit boards (PCB) design computer aided design (CAD) tool selection problem and to implement it. Design/methodology/approach – An algorithm that c...

Firms are facing growing pressure to become “greener” or more environmentally friendly. Consequently, firms have had to review their production processes as a result of pressures from the community and governments. This pilot study investigated the influence of green manufacturing and eco-innovation on corporate sustainability performance (economic...

Objective: This paper empirically analyzes the effects of efficiency and structural quality on patient satisfaction in Turkish public hospitals. It also investigates the controversial relationship between hospital efficiency and structural quality for small, medium and large size hospitals in a comparative perspective. Methods: Data envelopment...

This paper aims to compare two diagnostic performance measures, i.e. signal-to-noise ratio (S/N ratio) and partial area under receiver operating characteristic curves (pAUC). It proposes the use of S/N ratio rather than pAUC for establishing optimal cut-off point for diagnostic biomarkers. This paper discusses the properties, uses, advantages and s...

The primary purpose of this study is to introduce a new measurement instrument for leanness that represents the more philosophical aspect of this paradigm. The secondary purpose is to examine possible interactions between relationship quality and lean applications in buyer-seller relationships and then evaluate their impact on firm performance. Ass...

This study aims to empirically test the relations among responsive and proactive market orientations, explorative and exploitative innovation strategies, and firm performance, and to compare the performance impact size of the combined strategy i.e. ambidexterity to that of individual impacts of explorative and exploitative innovation strategies. Da...

This paper investigates capacity-based inefficiency causes and the existence of any differences between the improvement processes of teaching and non-teaching hospitals. In an effort to comparatively evaluate the inefficiency causes of hospitals in Turkey, this study uses data envelopment analysis (DEA). DEA can simultaneously assess the relationsh...

Purpose - The current HDI has a limited capacity to reflect the human condition and country rankings in an accurate way. In addition, the main critiques on the HDI suggest that it uses very few or perhaps the wrong indicators in measuring human development levels in countries. This paper aims to investigate whether the inclusion of employment as a...

The aim of this study is to investigate the extent to which auto supply chains are able to build long term oriented and mutually beneficial relationships with each other by considering supply chain collaboration (i.e. information management and strategic supplier partnership), information technology (IT) and conflict avoidance as the study variable...

The objective of this study is to develop a model for measuring adherence to lean practices for automotive part suppliers and to assess the relationship between the firm performance and the adoption of lean principles. This model has been developed by utilising the lean practices defined in the literature. The proposed model has been successfully a...

This paper aims to apply the Six Sigma methodology to improve workflow by eliminating the causes of failure in the medical imaging department of a private Turkish hospital. Implementation of the design, measure, analyse, improve and control (DMAIC) improvement cycle, workflow chart, fishbone diagrams and Pareto charts were employed, together with r...

This study investigates the drivers of debt ratios of the firms listed on the stock markets of two different countries, namely Turkey, a developing country and Taiwan, a newly developed country. The factors impacting short-term, long-term, and total debts are selected as EBIT (Earnings before Interest and Tax), ROE (Return on Equity), sales, total...

The purpose of this research is to investigate the factors effective on consumers’ store brand (SB) purchase intention to extend the theoretical and empirical evidence on success of SB strategies. Through this purpose the role of store brand (SB) familiarity, SB shelf space, SB perceived quality and perceived risk were investigated in an integrativ...

The HDI has played an influential role in the debate on human development. No index is perfect and so is the Human Development Index of United Nations Development Program. This paper aims to measure the performance of 182 countries in terms of performance by means of non-parametric input oriented CRS employed Data Envelopment Analysis. In addition,...

Sanayi devriminden sonra işletmeler büyüdükçe ve üretimle ilgili sorunlar daha da karmaşık hale geldikçe bu problemlere sistematik çözümler ve yaklaşımlar getirebilmek amacıyla üretim yönetimi alanında akademik çalışmalar yapılmaya başlanmıştır. Her dönemin farklı ihtiyaçları doğrultusunda yeni kavramlar ortaya atılmış, yeni kitaplar yazılmış ve ye...

The term " lean " is firstly coined in the literature by Krafcik to describe the Toyota production system, then has been started to study as a familiar subject in the beginning of the 90's after Womack, Jones and Roos published the distinguished book about the automobile industry. In previous researches there are several supply chain performance me...

Purpose: The purpose of this study is to show how the principles of Six Sigma can be applied to the high turnover problem of doctors in medical emergency services and paramedic backup. Design/methodology/approach: Six Sigma's define-measure-analyse-improve-control (DMAIC) is applied for reducing the turnover rate of doctors in an organisation op...