Now showing items 21-40 of 86

    • Analysis of Solution Space-Dependent Performance of Simulated Annealing: The Case of the Multi-level Capacitated Lot Sizing Problem 

      This study describes an analysis of different neighbourhood transition schemes and their effects; on the performance of a general purpose simulated annealing (SA) procedure in solving the dynamic multi-level capacitated ...
    • Are EEG spectral power density of BD I and II different? 

      Demirer, Rüştü Murat; Şakayıkçı Gürdal, Sena; Kesebir, Sermin (Wiley-Blackwell, 111 River St, Hoboken 07030-5774, Nj Usa, 2014-03)
    • Automated testing for distributed databases with fuzzy fragment reallocation 

      Akbulut, Akhan; Karataş, Gözde (TUBİTAK Scientific & Technical Research Council Turkey, Ataturk Bulvarı No 221, Kavaklıdere, Ankara, 00000, Turkey, 2018)
      As the Internet and big data become more widespread, relational database management systems (RDBMSs) become increasingly inadequate for web applications. To provide what RDBMSs cannot, during the past 15 years distributed ...
    • Automatic energy expenditure measurement for health science 

      Çatal, Çağatay; Akbulut, Akhan (Elsevier Ireland Ltd, Elsevier House, Brookvale Plaza, East Park Shannon, Co, Clare, 00000, Ireland, 2018-04)
      Background and objective: It is crucial to predict the human energy expenditure in any sports activity and health science application accurately to investigate the impact of the activity. However, measurement of the real ...
    • Automatic Software Categorization Using Ensemble Methods and Bytecode Analysis 

      Çatal, Çağatay; Tugul, Serkan; Akpınar, Başar (World Scientific Publ Co Pte Ltd, 5 Toh Tuck Link, Singapore 596224, Singapore, 2017-09)
      Software repositories consist of thousands of applications and the manual categorization of these applications into domain categories is very expensive and time-consuming. In this study, we investigate the use of an ensemble ...
    • Benchmarking of Regression Algorithms and Time Series Analysis Techniques for Sales Forecasting 

      Akbulut, Akhan (2019-01)
      — Predicting the sales amount as close as to the actual sales amount can provide many benefits to companies. Since the fashion industry is not easily predictable, it is not straightforward to make an accurate prediction ...
    • CAVE Sanal Gerçeklik Teknolojisinin Üniversite-Sanayi İşbirliği Açısından Değerlendirilmesi ve Örnek bir Durum Çalışması 

      Çatal, Çağatay; Akbulut, Akhan (2019-03)
      CAVE (CAVE Automatic Virtual Environment) sanal gerçeklik teknoloji altyapısı, yurt dışındaki üniversiteler ve araştırma kurumları tarafından, son dönemde farklı fonlarla kurulmaya başlanmış ancak Türkiye’de henüz bir ...
    • Clustering and dimensionality reduction to determine important software quality metrics 

      Turan, Metin; Çataltepe, Zehra (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2007)
      During the last two decades research on software engineering is concentrated on quality. The best approach to quality evaluation goes through determining well-defined metrics on software properties. One such property is ...
    • Code Generator Framework for Smart TV Platforms 

      In recent years, smart TVs have become more common, making them need to be included as targets for the software industry. In this study, the authors developed a code generator framework and demonstrated it in an architectural ...
    • Comparison of Face Recognition Algorithms 

      Günay, Melike; Ensari, Tolga (IEEE, 345 E 47Th St, New York, Ny 10017 USA, 2017)
      in this study, we analyze the algorithms that is used for face recognition and make performance comparison of two algorithms. The methods that is analyzed are k-nearest neighbors, Naive Bayes, eigenfaces, principle component ...
    • Comparison of Partition Evaluation Measures in an Adaptive Partitioning Algorithm for Global Optimization 

      Özdamar, Linet; Demirhan, M (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2001-01-01)
      An adaptive partitioning algorithm with random search is proposed to locate the global optimum of multimodal functions. Partitioning algorithms divide the feasible region into nonoverlapping partitions in order to restrict ...
    • Component-Based Project Estimation Issues for Recursive Development 

      Altunel, Yusuf; Tolun, Mehmet R. (SPRINGER, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS, 2008)
      In this paper we investigated the component-based specific issues that might affect project cost estimation. Component-based software development changes the style of software production. With component-based approach the ...
    • Component-based software development with component variants 

      Altunel, Yusuf; Tolun, Mehmet R. (ACTA PRESS ANAHEIM, PO BOX 5124, ANAHEIM, CA 92814-5124 USA, 2007)
      Variants are the new units suggested for component-based software implementation to contain just one set of features that a traditional component might normally contain. They help us to implement the specialization of ...
    • Computer aided autism threapy system design 

      Akbulut, Akhan (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015)
      Autism spectrum disorder is a developmental disorder such as Asperger's or Rett Syndrome, which damages social interaction and contact with the environment of individuals that prevents brain development. In Turkey, 600,000 ...
    • Control in Networked Systems With Fuzzy Logic 

      Akbulut, Akhan; Öztaş, Oğuzhan (Tubitak Scientific & Technical Research Council Turkey, Ataturk Bulvarı No 221, Kavaklıdere, Ankara, 00000, Turkey, 2013)
      Recently, the development of control systems based on network-based architecture is getting very high attention. Because of its fast data communication, network-based control is in high demand. However, there are some ...
    • Decrease of event related theta coherence at left frontal-parietal connection in Alzheimer patients 

      Başar, Erol; Güntekin, Bahar; Yener, Görsev G.; Saatçı, Ertuğrul (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 USA, 2008-04-01)
    • Decreased Evoked Right Fronto-Temporal Gamma Coherence in Acute Mania Improves After Valproate Monotherapy 

      Özerdem, Ayşegül; Güntekin, Bahar; Saatçı, Ertuğrul; Başar, Erol (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 USA, 2009-04-15)
    • Deep Learning Approaches for Predictive Masquerade Detection 

      Elmasry, Wisam; Akbulut, Akhan; Zaim, Abdül Halim (Wiley-Hindawi, Adam House, 3rd Fl, 1 Fitzroy Sq, London, Wit 5He, England, 2018)
      In computer security, masquerade detection is a special type of intrusion detection problem. Effective and early intrusion detection is a crucial factor for computer security. Although considerable work has been focused ...
    • Determination of ECoG Information Flow Activity Based on Granger Causality and Hilbert Transformation 

      Demirer, Rüştü Murat; Özerdem, Mehmet Sıraç; Bayrak, Coşkun; Mendi, Şekip Engin (Elsevier Ireland Ltd, Elsevıer House, Brookvale Plaza, East Park Shannon, Co, Clare, 00000, Ireland, 2013-12)
      Analysis of directional information flow patterns among different regions of the brain is important for investigating the relation between ECoG (electrocorticographic) and mental activity. The objective is to study and ...
    • Directional total variation based image deconvolution with unknown boundaries 

      Demircan Türeyen, Ezgi; Kamaşak, Mustafa Erşel (Springer International Publishing Ag, Gewerbestrasse 11, Cham, Ch-6330, Switzerland, 2017)
      Like many other imaging inverse problems, image deconvolution suffers from ill-posedness and needs for an adequate regularization. Total variation (TV) is an effective regularizer; hence, frequently used in such problems. ...