Browsing Araştırma Çıktıları / Scopus by Access Type "info:eu-repo/semantics/embargoedAccess"
Now showing items 1-20 of 98
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A Farewell to King Coal: Geopolitics, Energy Security, and the Transition to Oil, 1898–1917
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Publisher and Date:(Cambridge Univ Press, 2019)Interest in energy transitions has accelerated in recent years due to rising concerns about global warming and resource scarcity but the drivers of these phenomena are not well understood. To date scholars have primarily focused on commercial and technological factors highlighting that oil was 'better' than coal - more powerful cheaper cleaner and more practical to use - and that the internal combustion engine made it more advantageous to use in transportation. Yet oil was also a strategic commodity ...
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Active and Reactive Power Load Profiling Using Dimensionality Reduction Techniques and Clustering
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Publisher and Date:(Institute of Electrical and Electronics Engineers Inc., 2019)This paper proposes a methodology to characterize active and reactive power load profiles. Specifically, the approach makes use of fast Fourier Transform for conversion into frequency domain, principle component analysis to reduce the dimension and K-means++ to determine the representative load profiles. The data set consists of five-year measurements taken from the Democritus University of Thrace Campus. Test days were also classified as working and non-working. From the results it is observed ...
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Activist communication design on social media: The case of online solidarity against forced Islamic lifestyle
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Publisher and Date:(Sage Publications, 2021)This article explores the relationship between connective and collective group identity through the example of “You Won’t Walk Alone,” a social media platform of solidarity for women suffering from the pressures of Islamic dress code in Turkey. While Turkey has a long history of conservative women’s initiatives against secular institutional code and of secular women against Islamic and misogynist social reactions, the social media platform You Won’t Walk Alone (Yalnız Yürümeyeceksin) illustrates ...
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Analysis of Mixed-Element Structures Formed With Shunt Capacitors Separated by Transmission Lines
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Publisher and Date:(IEEE-Inst Electrical Electronics Engineers Inc, 2019)In this brief, the analysis of mixed-element structures formed with shunt capacitors separated by commensurate transmission lines is performed first time in the literature. First, a low-pass lumped-element ladder network is considered. Then the series inductors are replaced with commensurate transmission lines. As a result, a practically important mixed-element structure is obtained. Then the description of the structure by means of two frequency variables (one for shunt capacitors and one for ...
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Antifungal screening and in silico mechanistic studies of an in-house azole library
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Publisher and Date:(2019)Systemic Candida infections pose a serious public health problem with high morbidity and mortality. C. albicans is the major pathogen identified in candidiasis; however, non-albicans Candida spp. with antifungal resistance are now more prevalent. Azoles are first-choice antifungal drugs for candidiasis; however, they are ineffective for certain infections caused by the resistant strains. Azoles block ergosterol synthesis by inhibiting fungal CYP51, which leads to disruption of fungal membrane ...
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An approach to evaluate CAM software alternatives
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Publisher and Date:(TAYLOR & FRANCIS LTD, 2020)The selection process for the best computer-aided manufacturing (CAM) software among a set of potential number of alternatives in market has been critical issue for most companies that aim to make their design/manufacturing-related activities automated. Because this selection process is very vital for companies because a wrong decision might put them into a difficult position in terms of economical, market share and time spent. Therefore, today's companies have used different multiple-criteria ...
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Assortment optimization with log-linear demand: Application at a Turkish grocery store
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Publisher and Date:(Elsevier, 2019)In retail sector product variety increases faster than shelf spaces of retail stores where goods are presented to consumers. Hence assortment planning is an important task for sustained financial success of a retailer in a competitive business environment. In this study we consider the assortment planning problem of a retailer in Turkey. Using empirical point-of-sale data a demand model is developed and utilized in the optimization model. Due to nonlinear nature of the model and integrality ...
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Assortment optimization with log-linear demand: Application at a Turkish grocery store
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Publisher and Date:(Elsevıer Sci Ltd, 2019)In retail sector, product variety increases faster than shelf spaces of retail stores where goods are presented to consumers. Hence, assortment planning is an important task for sustained financial success of a retailer in a competitive business environment. In this study, we consider the assortment planning problem of a retailer in Turkey. Using empirical point-of-sale data, a demand model is developed and utilized in the optimization model. Due to nonlinear nature of the model and integrality ...
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Audience Tracking and Cheering Content Control in Sports Events
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Publisher and Date:(IEEE, 2020)Swearing cheers encountered in sports competitions do not comply with sports ethics and morals. Even if this kind of cheering is a group, the entire tribune block is penalized in accordance with the current rules. This method is not preventive and individual punishment should be used. The aim of this study is to determine the individuals who cheer with swearing content. In this study, the person detection is made with the multi-task cascaded convolutional neural network. Moreover, facial landmarks ...
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Bottom-up nationalism and discrimination on social media: An analysis of the citizenship debate about refugees in Turkey
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Publisher and Date:(Sage Publications Ltd, 2020)This study analyzes social media representations of refugees in Turkey and discusses their role in shaping public opinion. The influx of millions of Syrian refugees in Turkey has created heated debates about their presence and future in the country. One of these debates was triggered by President Erdogan's statement that Turkey would issue citizenship rights to Syrians in July 2016. Due to a lack of critical voices about refugee issues in Turkey's mass media sphere, social media has become a key ...
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Cognitive styles and religion
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Publisher and Date:(Elsevier B.V., 2021)I discuss recent research suggesting that individual differences in cognitive style give rise to and explain religious and related supernatural and paranormal beliefs. To do so, I illustrate intuitive cognitive biases (e.g., anthropomorphism) underlying these beliefs and then review the accumulated evidence indicating that non-believers are more open-minded, reflective, and less susceptible to holding epistemically suspect beliefs (e.g., conspiracy theories) on average than those who believe in ...
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The collector's world
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Publisher and Date:(Routledge Journals, Taylor & Francıs Ltd, 2020)The article discusses the figure of the collector. We start with positioning the collector in relation to a lack, emphasizing that collecting is not about aesthetic beauty, pleasure or even perfectness, but primarily about filling a gap. The collection itself is merely a by-product of the desire to collect. Discussing how this desire is socially mediated, we move on to contextualizing the collector in relation to the distinction between the useful and the useless. We stress, in this context, that ...
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A Comparative Study of Energy Models for Turkish Electricity Market Using LEAP
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Publisher and Date:(IEEE Computer Society, 2019)Fossil fuel thermal power plants constitute a large part of the Turkish electricity generation capacity. Turkish government has been developing several energy policy documents to evaluate how various renewable energy sources of the country can be utilized optimally in the generation of electricity within the next 30 years. This study considers three scenarios in the transition to renewable energy for Turkey; the business as usual (BAU), energy conservation (EC) and renewable energy (REN) scenarios. ...
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A comparative study of surrogate based learning methods in solving power flow problem
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Publisher and Date:(IEEE, 2020)Due to increasing volume of measurements in smart grids, surrogate based learning approaches for modeling the power grids are becoming popular. This paper uses regression based models to find the unknown state variables on power systems. Generally, to determine these states, nonlinear systems of power flow equations are solved iteratively. This study considers that the power flow problem can be modeled as an data driven type of a model. Then, the state variables, i.e., voltage magnitudes and phase ...
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Competition and monopoly in the U.S. economy: What do the industrial concentration data show?
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Publisher and Date:(Sage Publications, 2021)A recent series of academic studies, think-tank reports, and news articles shows widespread attention to rising industrial concentration and market power in the U.S. economy. In this paper, we focus on concentration in the U.S. nonfinancial corporate sector to make three contributions to the literature. First, we use examples from the debate on industrial concentration to show that there are often-divergent predictions in the theoretical literature surrounding the expected consequences of concentration ...
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A Competitive Intelligence Practices Typology in an Airline Company in Turkey
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Publisher and Date:(Springer, 2020)Oil prices, political instabilities, travel legislations, and many other competitive factors make it essential for any international airline with the instinct to survive to be on constant watch in such a fiercely competitive environment. To meet this need, it is vital for international airline companies to integrate competitive intelligence (CI) into their strategy building process. In this study, we create for the first time a typology of competitive intelligence practices of an international ...
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Contemporary art on the current refugee crisis: the problematic of aesthetics versus ethics
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Publisher and Date:(British Journal of Middle Eastern Studies, 2019)This article focuses on contemporary artworks outlining the current refugee flow from the Middle East to the West namely to European countries together with the US and Canada. Drawing primarily on Jacques Ranciere's conceptualization of ethical art versus aesthetics I explore how various journeys of refugees in its many forms have been represented in the contemporary art scene. My aim is to concretize the theoretical debate surrounding the 'political' engagement of critical art on the issue of ...
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Crystallographic structure versus homology model: a case study of molecular dynamics simulation of human and zebrafish histone deacetylase 10
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Publisher and Date:(Taylor & Francis, 2020)Histone deacetylase (HDAC) 10 has been implicated in the pathology of various cancers and neurodegenerative disorders, making the discovery of novel inhibitors of the isoform an important endeavor. However, the unavailability of crystallographic structure of human HDAC10 (hHDAC10) hinders structure-based drug design effort. Previously, we reported the homology modeled structure of human HDAC10 built using the crystallographic structure of Danio rerio (zebrafish) HDAC10 (zHDAC10) (Protein Data Bank ...
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Daily and Intraday Herding within Different Types of Investors in Borsa Istanbul
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Publisher and Date:(Routledge Journals, Taylor & Francis Ltd, 2019)This paper aims to explore the daily and intraday herd behavior of various investor groups trading in an emerging equity market, Borsa Istanbul (BIST). We analyze a one-year tick-by-tick order and trade data of BIST 100 Index stocks and document differences in herding behavior of investor groups considering market capitalization, market conditions, and announcements as well as daily and intraday periodicities. We find that nonprofessional investors (brokerage houses and domestic funds) tend to ...
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Design of Phase Shifters with Ladder Stubs Via Real Frequency Technique
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Publisher and Date:(World Scientific, 2020)Generally at high frequencies, lumped-elements are not preferred because of their limited range of values. Therefore, in this work, a kind of phase shifter formed with ladder stubs is studied and a new approach to design phase shifter's low pass and high pass sections which are composed of series or shunt connected open-ended or short-ended stubs is proposed. In the approach, since the main focus is to form low pass and high pass two-port sections, switching process is not considered. First, the ...