Bilgisayar Mühendisliği: Recent submissions

  • Numerical analysis of multipilicty and transition phenomenon in natural convection 
    Kafil, Hadi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2015.)
    This research is devoted to the numerical investigation of the transition and multiplicity phenomena in natural convection. The numerical simulation is performed for a 2-D closed domain using FLUENT, a commercial computational ...
  • Parallel algorithms for shortest path problem on time dependent graphs 
    Ersoy, Mehmet Akif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Shortest path problem in time dependent graphs has become a popular problem in recent years. Ever since the smart phones became an inseparable part of our lives, the applications on those devices started to provide many ...
  • Seamless human life monitoring and tracking all-day long 
    Kahveci, Ali Yavuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Human life monitoring systems utilizing wireless sensors networks (WSNs) and/or smart phones became a hot topic for the evaluation of the life quality. A daily life of a human can be divided into three main parts as outside, ...
  • Human-aware robot navigation using the social force model 
    Yıldırım, Yiğit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Today, the long-lived dream of employing autonomous mobile robots in human environments is more close to coming into reality than ever. Most of the fundamental navigation problems are solved due to an extensive research ...
  • Improving the performance of a communication via diffusion system considering molecule degradation in nanonetworking 
    Kılıç, Fatma Nur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The interconnection between the nanoscale circuit components, which is referred to as nanonetworking, is a hot topic for nearly a decade. Among the various approaches studied in the literature, we apply communication via ...
  • A linguistically motivated information retrieval system for Turkish 
    Pembe, Fatma Canan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    Information retrieval (IR) has become an important application in today's computer world because of the great increase in the amount of web-based documents and the widespread use of the Internet. However, the classical ...
  • A dynamic saliency based method for video retargeting 
    Koçberber, Hatice Çiğdem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    With increased usage of smartphones, tablets and small displays to play multimedia content, video retargeting becomes an important tool for better user experience. In this thesis, we propose a novel content-based approach ...
  • Efficient action and event recognition in videos using extreme learning machines 
    Varol, Gül. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    A great deal of research in computer vision community has gone into action and event recognition studies. Automatic video understanding for actions are crucial for application areas such as video indexing, surveillance and ...
  • User, device, orientation and position independent human acitivity recognition on smart phones 
    Üstev, Yunus Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Smart phones equipped with a rich set of sensors are explored as alternative platforms for human activity recognition in the ubiquitous computing domain. However, there exist challenges that should be tackled before the ...
  • Fractal analysis of stock exchange indices in Turkey 
    Kandıran, Engin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The purpose of this study is to investigate possible fractal behavior in Istanbul Stock Exchange (BIST) indices. In particular evidence of chaotic and fractal behavior will be presented. To be able to analyze monofractality ...
  • Controller load balancing schemes in software defined networks 
    Selvi, Hakan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Software-de ned networking (SDN) has been proposed as a new networking paradigm which separates the control and data forwarding planes. The controllers which are centralized network control entities are crucial for meeting ...
  • Mutual information based feature selection for acoustic autism diagnosis 
    Yüzsever, Şefika. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Pervasive Developmental Disorders (PDD) are known to a ect children's social interactions and mental development. Prosodic and linguistic cues can be used to diagnose the disorders at early ages. Computational paralinguistics ...
  • Acceleration of sequential Monte Carlo methods via parallelization of resampling algorithms 
    Güldaş, Hakan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Sequential Monte Carlo (SMC) methods, also known as particle lters, are a popular set of tools in Bayesian inference on non-linear non-Gaussian state space models. While these algorithms are traditionally developed with ...
  • Analyzing stemming and sentence simplification methodologies for Turkish multi-document text summarization 
    Nuzumlalı, Muhammed Yavuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Automatic text summarization is the task of generating a compact and coherent version of a given text document or a set of text documents. Although there is a vast number of studies for automatic document summarization on ...
  • Named entity recognition for Turkish microblog texts using semi-supervised learning with word embeddings 
    Okur, Eda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Recently, due to the increasing popularity of social media and the value of information contained within real data, the necessity for extracting information from informal text types such as microblog texts has gained ...
  • Learning-based wavelength assignment in optical burst switching networks 
    Korçak, Ömer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    As in any WDM network, the wavelength conversion capability of routers has a major effect on the performance of OBS networks. However, wavelength conversion is an immature and expensive technology and still remains as a ...
  • Negotiating privacy constraints in online social networks 
    Mester, Yavuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Privacy is a major concern of Web systems. Traditional Web systems employ static privacy policies to notify its users of how their information will be used. Recent social networks allow users to specify some privacy concerns, ...
  • Meshless modeling of wave induced flows inside sandy sea beds 
    Timuçin, Burak Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Ocean waves have been research focus for scientists and engineers for the last several decades, being one of the most dominant physical phenomena that affect the coastal zones. Varieties of wave theories have been developed ...
  • Parallelization of a furnace simulation code for multi-core machines 
    Domazet, Evrim. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Şişecam uses Fortran programs that implement mathematical models for designing glass furnaces and for planning optimized operational criteria. The mathematical model for glass furnaces employs revised version of Patankar ...
  • Question analysis and information retrieval for a Turkish question answering system: 
    Derici, Caner. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    This study describes and evaluates the techniques we developed for the question analysis and information retrieval (IR) module of a closed-domain Turkish factoid Question Answering (QA) system that is intended for high-school ...