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Erişime Açık

Comparison Of Deep Reinforcement Learning Algorithms In Computer Network Traffic Congestion Control

MAYANJA, Abubakar

Due to high advances in production of technological devices and a sharp increase in the Internet usage in contemporary decades, the Internet and other small network connections have become a basic need in life as nearly almost all the daily consumed information has to be gathered online from news, movies, books etc. However, as the number of the Internet users escalate, the momentum of the Internet decelerates as a result of data traffic congestion within the networks. To regulate this issue, a couple of predestined algorithms such as TCP-Reno and TCP-Vegas are employed to counterbalance the s ...Daha fazlası

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Application of Multi-Criteria Decision-Making Methods in the Selection of Cargo Firms

AKARÇAY, Özlem | YAŞAR, Esra | AKGENÇ, Ertan

In recent years, developed technology has provided to facilitate forms of transportation, reduce the costs, introduce new markets and enhance various selection criteria offered by logistics companies. Competitive levels among logistics companies due to intensive customer demands are tend to increase and it has become a necessity to determine the most appropriate cargo firm in order to meet these demands. Moreover, decision- making about cargo firm is a curious issue for companies, since this process includes a hard work- flow. The objective of this study is to solve the problem about selecting ...Daha fazlası

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A Multistage Deep Learning Algorithm for Detecting Arrhythmia

ALLAHVERDİ, Novruz | KUTLU, Yakup | ALTAN, Gökhan

Deep Belief Networks (DBN) is a deep learning algorithm that has both greedy layer-wise unsupervised and supervised training. Arrhythmia is a cardiac irregularity caused by a problem of the heart. In this study, a multi-stage DBN classification is proposed for achieving the efficiency of the DBN on arrhythmia disorders. Heartbeats from the MITBIH Arrhythmia database are classified into five groups which are recommended by AAMI. The Wavelet packet decomposition, higher order statistics, morphology and Discrete Fourier transform techniques were utilized to extract features. The classification pe ...Daha fazlası

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Hallucinative Perception In Architecture And Effects Of Holographic Platform On Design Process

SEVİM, Halil | DEMİRKAN, Özlem

The hologram is a hallucinative image that produced virtually in yellow spot (macula lutea) and embedded in the physical environment with the help of photons. The hardware that creates hallucinative image is a portable head mounted holographic platform computer. The holographic platform computer senses the physical environment with the help of integrated cameras, sensors and lenses on it. The computer processes the information of the physical environment and integrates the information of the virtual environment into the physical environment and presents a holographic image to the user. In this ...Daha fazlası

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Investigation of Design Criteria for the Type of Gabion Walls

URAY, Esra | TAN, Özcan

In civil engineering, connecting two different levels each other to provide the essential safety is a common problem and in solving this problem retaining structures are widely used. In this study, the design criteria of gabion retaining wall which is a kind of retaining wall was investigated by using Taguchi Method. Parameters which affect the design of gabion retaining wall are height, length of base, wall angle and angle of internal friction and slope of backfill and 16 different Taguchi design tables were formed by these using parameters. These design tables were modelled by using computer ...Daha fazlası

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Effects of Grape Seed Extract on Pancreas Weight in Diabetic Rats

GÜLBAHÇE MUTLU, Elif | ARSLAN, Emine | ARIKOĞLU, Hilal

Introduction: Pancreas is a vital organ that produces metabolic hormones and enzymes. Any change in the function of this organ can directly affect the physiological mechanism in the body. Type II diabetes mellitus is a complex metabolic disease. And, this is emerged from either a failure in insulin secretion from pancreatic beta-cell cells or a decrease in pancreatic beta-cell mass. Despite the use of synthetic drugs in the treatment of metabolic diseases, many traditional plant therapies in the world are still used in the treatment of these diseases. The possible effects of grape seed extract ...Daha fazlası

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Resveratrol And Its Effects On Diabetes Mellitus

BERBEROĞLU, Hatice Tuğçe | ÜNÜSAN, Nurhan

Diabetes mellitus is a chronic disease that causes complications as a result of insulin resistance, insulin deficiency or the combination of both. It is a public health problem of great importance all over the world due to its high prevalence and complications. Resveratrol is a biologically active polyphenolic compound and in recent years, it is one of the most studied nutrients. The effects of resveratrol, which is abundant in foods such as grapes, peanuts, red wine, blueberries and cherries on human health have been studied for a long time. Antioxidant, proinflammatory, anti-carcinogen and t ...Daha fazlası

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The Impact Of Economic Crises On Consumer Behavior In Konya

GEDİK, Hasan | AFŞAR, Bilge

In 2008, the economic crisis that emerged in the United States has a global dimension, affecting the entire world. The crisis periods which is a war of survival for businesses, influence the owners and employees of businesses and consumers significantly. Varying income levels of consumers bring about changes in needs, priorities and purchasing behavior. To know the consumer behavior in the crisis environment allows companies to take the right decisions about their possible behaviors, preferences and expectations of the product. In this study, the effects of the 2008 economic crisis in 2015, ch ...Daha fazlası

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Islamic Insurance Applications In Economy: Sample Of Malaysia

AFŞAR, Bilge | KARADAĞ, Melahat

Today, one of the basic reason impeding the development of insurance sector, one of the most important elements of the capital market and economic world with its economic utilities rather than its economic utilities, is the religious beliefs of societies and also the social life. When the issue is examined in terms of belief, in the Muslim countries like Turkey, the reason for that the development of insurance is slow is the thoughts about Islamic issues. In Islamic religion, prohibitions of the things such as the interest and uncovered gain, since they are deemed as undeserved gain; that the ...Daha fazlası

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Ectopic Cushing's syndrome due to adrenocorticotropic hormone secreting atypical thymic carcinoid tumor.

DURAN, Cevdet | EREN KARANİS, Meryem İlkay | BAKDIK, Suleyman | ASLAN, Uysaler | ÇALIK, Mustafa | ÇALIK, Saniye Goknil

Cushing's syndromes (CS) due to thymic carcinoids are rarely seen. In this text, a case with CS due to ectopic adrenocorticotropic hormone (ACTH) secreting atypical thymic carcinoid tumor is presented. A 50-year-old Turkish male patient was admitted to our emergency department with typical CS features. Basal hormone profile, low- and high-dose dexamethasone suppression tests, and inferior petrosal sinus sampling results were consistent with ectopic ACTH secretion. Thorax computerized tomography showed an upper mediastinal mass, and trans-thoracic biopsy showed atypical thymic carcinoid with po ...Daha fazlası

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How successful is “pleural sound sign” in the identification of pneumothorax?

ÇALIK, Saniye Göknil | ÇALIK, Mustafa | GİRİŞKİN, Sadik | KARAOĞLAN, Osman | DÜNDAR, Zerrin Defne | ERGİN, Mehmet

OBJECTIVE: In the present study, in thorax ultrasonography (USG) Doppler images obtained from cases with occult pneumothorax, we investigated the status of pulsatile pleural sounds over the pleural line and called these as the pleural sound sign (PSS). The purpose of the present study was to identify the efficacy of the proposed PSS in diagnosing pneumothorax and to compare it with the other USG findings including the sliding lung sign (SLS) and seashore sign (SSS). METHODS: The present study included 66 consecutive patients who were referred to the emergency unit with a blunt trauma from Octo ...Daha fazlası

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The Validation and Correlations with Empowering Leadership and Self Efficacy Scales

ASLAN, Şebnem | AKARÇAY, Demet

Empowering employees becomes a current issue as leadership approach as well as a managerial means of contemporary approaches. Empowering employees is predicted to impact on self- efficacy positively. In the first phase of the study, the investigation of validity and reliability of empowering leadership and self-efficacy scale were conducted among healthcare employees in Turkey. In the second phase, the relationships between empowering leadership and the sub- dimension of empowering leadership and self-efficacy were searched. The related scales were performed among 550 healthcare employees, who ...Daha fazlası

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