Browsing by Author "2"
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Crucial topics in computer architecture education and a survey of textbooks and papers
Yıldız, A.; Gören, S.; Uğurdağ, Hasan Fatih; Aktemur, B.; Akdoğan, Taylan (International Association of Engineers, 2020)We have been teaching undergraduate computer architecture since 2012 in an unconventional way. Most undergraduate computer architecture courses are based on microprocessors, and they quickly move into advanced topics such ... -
Cyclic deformation response of ultra-fine grained titanium at elevated temperatures
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven; Demler, E.; Krooss, P.; Wegener, T.; Maier, H. J.; Niendorf, T. (Elsevier, 2019-05)This study focuses on the high-temperature cyclic deformation response (CDR) of ultra-fine grained (UFG) titanium of commercial purity (grade 4) processed via equal channel angular extrusion as a severe plastic deformation ... -
Cyclic delivery schedules for an inventory routing problem
Ekici, Ali; Özener, Okan Örsan; Kuyzu, G. (Informs, 2015-11)We consider an inventory routing problem where a common vendor is responsible for replenishing the inventories of several customers over a perpetual time horizon. The objective of the vendor is to minimize the total cost ... -
Cyclic ordering policies from capacitated suppliers under limited cycle time
Ekici, Ali; Özener, Okan Örsan; Duran, S. (Elsevier, 2019-02)In this paper, we study the ordering policy of a manufacturer/retailer which procures a single item from multiple capacitated suppliers and satisfies an exogenous deterministic and constant demand. Manufacturer's objective ... -
Çevri̇mi̇çi̇ ve geleneksel: youtube ve televi̇zyon reklamlarına yöneli̇k tüketi̇ci̇ algılarının karşılaştırılması
Köz, Zeynep; Atakan, Şükriye Sinem (Pazarlama ve Pazarlama Araştırmaları Derneği, 2018)Bu araştırma, tüketicilerin YouTube ve televizyon reklamlarına yönelik tutumlarını incelemekte ve karşılaştırmaktadır. On iki tüketiciden veri toplamak için, kalitatif bir araştırma yöntemi olan ve derinlemesine görüşme ... -
Data stream analytics and mining in the cloud
Arı, İsmail; Ölmezoğulları, Erdi; Çelebi, Ö. F. (IEEE, 2012)Due to prevalent use of sensors and network monitoring tools, big volumes of data or “big data” today traverse the enterprise data processing pipelines in a streaming fashion. While some companies prefer to deploy their ... -
DCT-OFDM tabanlı görünür ışık haberleşmesi
Narmanlıoglu, Ömer; Uysal, Murat (2016)Visible light communication (VLC) is a short-range wireless transmission technique in which light emitting diodes (LEDs) are used as data transmitters. Because of non-coherent characteristics of LEDs, only intensity can ... -
Deep reinforcement learning for acceptance strategy in bilateral negotiations
Razeghi, Yousef; Yavuz, Ozan; Aydoğan, Reyhan (TÜBİTAK, 2020)This paper introduces an acceptance strategy based on reinforcement learning for automated bilateral negotiation, where negotiating agents bargain on multiple issues in a variety of negotiation scenarios. Several acceptance ... -
Democratization of runtime verification for internet of things
İnçki, Koray; Arı, İsmail (Elsevier, 2018-05)Internet of Things (IoT) devices have gained more prevalence in ambient assisted living (AAL) systems. Reliability of AAL systems is critical especially in assuring the safety and well-being of elderly people. Runtime ... -
Design and implementation of a cloud computing service for finite element analysis
Arı, İsmail; Muhtaroğlu, Nitel (Elsevier, 2013-06)This paper presents an end-to-end discussion on the technical issues related to the design and implementation of a new cloud computing service for finite element analysis (FEA). The focus is specifically on performance ... -
Design and implementation of dual band microstrip patch antenna for WLAN energy harvesting system
Amjad, Osama; Munir, Syeda Wajiha; Imeci, S. T.; Ercan, Ali Özer (2018-07)Since the demand for self-sustained wireless systems is increasing, there is a trend towards RF energy harvesting. It is a key solution to energize the low power systems such as the Internet of Things (IoT) devices without ... -
Design and kinematics of 4- DoF multi-purpose wearable mechanical arm (MUWA) support for enhanced operation stability
Nomanfar, P.; Tekin, Ahmet; Bogosyan, S.; Şendur, Polat (IEEE, 2019)A low-cost motor-less simple wearable mechanical arm support unit is presented as a viable alternative to todays assistive exoskeleton support units. By limiting the functionality of the device to stabilization rather than ... -
Design and simulation of antenna with defected ground plane
Gurelli, Umur Can; Dindar, Sinan; Balci, Merve; Rizeli, Dilara; İmeci, T.; Durak, T. (IEEE, 2016)In this work a patch antenna having defected ground plane is designed and simulated. Design includes two dielectric layers and some modifications at the top layer such as having a slit and a slot. Simulation results are ... -
Design and simulation of microfluidic device for metabolite screening and quantitative monitoring of drug uptake in cancer cells
Asif, Afia; Khawaldeh, S.; Khan, Muhammad Salman; Tekin, Ahmet (Sciendo, 2018)Although liquid-liquid extraction methods are currently being applied in many areas such as analytical chemistry, biochemical engineering, biochemistry, and biological applications, accessibility and usability of microfluidics ... -
The design of a high gain dual-polarized quad-ridged circular horn antenna for wideband EMC test applications
Solak, Bekir; Seçmen, M.; Tekin, Ahmet (The Applied Computational Electromagnetics Society, 2018-09)This paper presents the design of a high gain broadband quadruple-ridged circular horn antenna for Electromagnetic Compatibility (EMC) testing. The proposed antenna contains a wideband feed structure as a transition between ... -
Design of compact monopulse standing wave slotted array in ku-band
Akgiray, Ahmed Halid; Nawaz, Wasim (IEEE, 2019)In modern radar and communication systems, high gain, high power capability and low-profile front-end antenna systems are frequently utilized. In this paper, a compact, lightweight, high reflection bandwidth and high gain ... -
Design of energy-efficient white portland cement mortars for digital fabrication
Kurt, S.; Atalay, Yiğit Alper; Aydın, Ozan Eray; Avcıoğlu, B.; Yıldırım, T.; Göktepe, G. B.; Emir, S.; Bundur, Zeynep Başaran; Paksoy, H. Ö. (Springer, 2020)Additive manufacturing, i.e. three-dimensional (3D) printing technology has many advantages over traditional processes and the related technology is continuously improving. This study aims to develop an energy- efficient ... -
Detecting credit card fraud by modified Fisher discriminant analysis
Mahmoudi, Nader; Duman, Ekrem (Elsevier, 01.04.2015)In parallel to the increase in the number of credit card transactions, the financial losses due to fraud have also increased. Thus, the popularity of credit card fraud detection has been increased both for academicians and ... -
Development and calibration of a currency trading strategy using global optimization
Çağlayan, Mustafa Onur; Pinter, Janos D. (Springer Science+Business Media, 2013-06)We have developed a new financial indicator—called the Interest Rate Differentials Adjusted for Volatility (IRDAV) measure—to assist investors in currency markets. On a monthly basis, we rank currency pairs according to ... -
Development of 3-D chemical mechanical polishing process for nanostructuring of bioimplant surfaces
Özdemir, Zeynep; Orhan, Orçun; Bebek, Özkan; Başım, Gül Bahar (ECS, 2014)This study focuses on the development of a three dimensional chemical mechanical polishing (CMP) process to induce smoothness or controlled nano-roughness on the bio-implant material surfaces, particularly for an application ...
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