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Bulunan: 190 Adet 0.000 sn
Dil : eng ✕Dil : eng ✕Yayın Turu [Akademik] : Preprint ✕Yayın Türü [Ortam] : application/pdf ✕Koleksiyon : Ön Baskı Yayınlar ✕
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Ön Baskı YayınlarYeditepe Üniversitesi Kurum Koleksiyonu
Erişime Açık

Security analysis of advanced encryption standard (AES) for image encryption

Küçükbacak, Rıdvan

Abstract In recent years, there have been major advancements in multimedia technologies and accordingly, file transfer over the internet has become extremely frequent. However, some security issues can occur in the internet, since it is a very insecure channel. To preserve the privacy and security of multimedia data transmitted over the internet, a number of encryption algorithms have been developed. This research presents a methodology for examining practically used image processing encryption algorithms. To measure the quality of encoded images, a number of factors such as correlation coeffi ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 112 Görüntülenme
Erişime Açık

Weaponizing energy: Anthropological approach to future of war

Yanar, Banu

This thesis intends to offer an explanation to the evolution of war along technological developments mainly focusing in laser systems. The anthropological discussion of the study is based on Actor-Network Theory revealing the interaction among human and nonhuman participants of war network. Laser weapon systems are explained supported by the literature search, fieldwork, and interviews. The study seeks to demonstrate an alternative future perception of war with the integration of laser systems. The redefined character of war can be described as laser-integrated flexible network with human act ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 141 Görüntülenme
Erişime Açık

A study of the best practices and procedures of risk mitigation techniques in elastic supply chain management in government sector in Jordan. “a case study on Arab Potash Company”

Abdulhameed, Zainab

Recently, managing risks in the supply chain has taken on great importance due to the vulnerability of the supply chain and the importance of mitigating any disruptions that can affect the business. In a world of highly changeable events, the number of upcoming risks is increasing, and managers' strategies to mitigate these risks should be studied and noted to help mitigate similar issues in the future. Risks in the supply chain tend to occur infrequently but can have significant consequences for a company. Supply chain management has been crippled by the coronavirus epidemic, affecting variou ...Daha fazlası

Preprint 2024 Yeditepe University Academic and Open Access Information System 76 Görüntülenme
Erişime Açık

The role of news media in reproduction of urban space: Ideological presentation of news reports on Galataport Istanbul Project in Hürriyet and Sabah newspapers

Kartalcı Güreken, Rümeysa

Media is shaping the consciousness, ideas, emotions and even daily lives of individuals by presenting a certain framework of meaning to the society. The individuals evaluate the social events and facts within the framework of meaning that is provided by the media. This study is defending the opinion that the content and discourse that is produced in the urban transformation news reports by the journalist, as the organic intellectual, is legitimizing the capital-oriented transformation of the city and the relations of production are reproduced. Starting from the presupposition that reality that ...Daha fazlası

Preprint 2022 Yeditepe University Academic and Open Access Information System 48 Görüntülenme
Erişime Açık

Determinants of environmental quality in Turkey on the regional basis

Çakmur, Osman Altuğ

This study explores the intricate relationship between economic growth and environmental sustainability, emphasizing the indispensable role of the environment in sustaining economic activities in Turkey. Central to the investigation is the Environmental Kuznets Curve (EKC) hypothesis, which posits an inverse U-shaped relationship between per capita income and environmental degradation. The study extends its focus to the Turkish context, bridging theory with empirical evidence and emphasizing the unique dynamics of the nation's international trade relations. Empirical results highlight the phen ...Daha fazlası

Preprint 2024 Yeditepe University Academic and Open Access Information System 9 Görüntülenme
Erişime Açık

Middle school students’ preferences about animated series

Yardımcı, Aysel

Animated series are among the productions that children prefer to watch the most on television. Today, many children's channels broadcast uninterruptedly. Animated series, which have both entertaining and educational functions, can also be watched through devices such as tablets and televisions thanks to the developing technology. Children prefer different animation series in terms of quality, content and perception according to their age groups. It is important to determine the preferences of children, especially older children, about animated series. Within the scope of this research, 132 mi ...Daha fazlası

Preprint 2024 Yeditepe University Academic and Open Access Information System 47 Görüntülenme
Erişime Açık

Power and beauty relations in the picture of Dorian Gray by Oscar Wilde and Lady Audley’s secret by Mary Elizabeth Braddon

Özkan, Elif Sarah

This thesis endeavours to explore the enchanting power of beauty and its history. This thesis aims at examining the enchanting power of beauty on selected characters in Oscar Wilde’s The Picture of Dorian Gray and Mary Elizabeth Braddon’s Lady Audley’s Secret. It further aims at examining the effects of possessing the power of beauty on the characters that possess it, namely Dorian Gray and Lady Audley. This thesis particularly focuses on the descriptions of the portraits of the protagonists in the two novels, on their effects on whoever looks at them and on the complex relationship between pi ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 146 Görüntülenme
Erişime Açık

Personalized evaluation of oxygen and carbon dioxide exchange in Covid-19 patients with regard to energy homeostasis

Yılmaz, Bayram

The COVID-19 does not proceed the same way in every patient. It may interfere with both oxygen (O2) and carbon dioxide (CO2) exchange in the alveoli; therefore, prevent ATP generation; subsequently, restrict energy supply for the life processes of the patient. Data sets representing the course of the COVID-19 in four patients, where the disease followed dissimilar paths were reassessed after the end of the treatment, by focusing on the respiratory and metabolic energy related parameters (FiO2, PaO2, SaO2, PaCO2) and the other parameters such as HCO3, lactate, body temperature, C-reactive prote ...Daha fazlası

Preprint 2021 Yeditepe University Academic and Open Access Information System 36 Görüntülenme
Erişime Açık

The impacts of poststructuralism, psychoanalysis and postmodernism on the development of autofiction

Önder, Ayda

This study aims to investigate the ways in which poststructuralism, psychoanalysis and postmodernism have contributed to the development of autofiction. It is contended that the genre has a dialectical relationship with the twentieth century critical theories. Autofiction both affirms and questions the poststructuralist dismantling of the traditional perspectives on the concepts of authority, authenticity and truth by bringing the authorial presence back to the text but fictionalising it to some extent, committing to narrate the truth but creating an ambivalence around it. Autofiction engages ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 88 Görüntülenme
Erişime Açık

Strategic advice seeking behavior of different leadership styles and its impact on strategic decision outcomes: an overview of Turkish companies

Gül, Ahmet Furkan

Decision making, and strategic decision making have been a focal and popular area of management literature, and numerous scholars have conducted thorough research to explain the relationships between each antecedent, characteristic, or variable and the outcomes of the strategic decision process. In addition, recent studies have looked at decision making from an upper echelons" perspective and tried to investigate how the top management teams, boards of directors, and CEOs in organizations take such strategic decisions. Scholars have also looked at how these executives seek and utilize essentia ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 353 Görüntülenme
Erişime Açık

Forecasting realized volatility of BIST indices with har-type models

Köksal, Emre Ahmet

In this paper, realized volatility of a selection of BIST Indices are forecasted with Heterogeneous Autoregressive Model (HAR) and its variations. For this purpose, ticks between 2001 and 2021 are used to generate 5-minute returns, which formed the basis for calculations of realized volatility and other realized measures. In the study, rolling windows are utilized for forecasting the volatility of one day ahead. These predictions are then compared to the actual realized volatilities. The study provides a thorough comparison of HAR-type models, and emphasizes the importance of underlying time s ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 73 Görüntülenme
Erişime Açık

Effect of artificial intelligence in social media content creation

Zapen, Sufian Bassam Mohammad

The main purpose of this thesis is to develop a deeper understanding and to gain deeper knowledge about the role of artificial intelligence in social media content creation. In order to make it precise, we have formulated two underlying questions: How much creativity does artificial intelligence really possess? And what is the role of artificial intelligence in content creation? For these questions we have chosen online questionnaire for data collection. Data were gathered from respondents from different countries between November 9, 2022, and October 3, 2023. We have used descriptive and infe ...Daha fazlası

Preprint 2024 Yeditepe University Academic and Open Access Information System 31 Görüntülenme
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