Browsing Ph.D. Theses by Issue Date

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  • A concurrent programming system with a flexible structure 
    Şıkoğlu, Tamer. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    This dissertation describes the design and imp)ementation of a concurrent programming system called CPS/1100 which is a modelling language used in systems programming. Processor dedication and program trace capabilities ...
  • Qualitative system identification 
    Say, Ahmet Celal Cem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1992., 1992.)
    The main contribution of this research in the qualitative reasoning area of Artificial Intelligence is the development of the qualitative system identification algorithm QSI. QSI's input is a description of the qualitative ...
  • Computer processing of Turkish: |morphological and lexical investigation 
    Güngör, Tunga. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1995., 1995.)
    The morphological analysis of Turkish is the subject of this thesis. Turkish belongs to the group of agglutinative languages. Because of its agglutinative nature, Turkish morphology is quite complex and includes many ...
  • Application of the 3G PCS technologies to the mobile subsystem of the next generation tactical communications systems 
    Çayırcı, E. (Erdal) (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 2000.)
    The advances in high-speed computations, multimedia and wireless communications promise new opportunities to develop more robust and agile battlefield communications systems. However, there are some major distinctions ...
  • Distributed simulation framework based on load balanced implementation of standard clock algorithm with web based extensions 
    Darcan, Osman Nuri. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    Standard Clock approach is used to simulate a number of parametric variants of a single system. In this thesis, a simulation engine based on the distributed implementation of the Standard Clock approach on networks of ...
  • Tuning model complexity using cross-validation for supervised learning 
    Yıldız, Olcay Taner. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this thesis, we review the use of cross-validation for model selection and propose the MultiTest method which solves the problem of choosing the best of multiple candidate supervised models. The MultiTest algorithm ...
  • Quality-of-service-aware multicast routing for multimedia applications in mobile ad hoc networks 
    Bür, Kaan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The conceptual shift in the expectations of wireless users towards multimedia andgroup-oriented computing has a significant impact on today̕s networks in terms of needfor mobility, quality of service (QoS) and multicast ...
  • Three dimensional face recognition 
    Gökberk, Berk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis, we attack the problem of identifying humans from their three dimensional facial characteristics. For this purpose, a complete 3D face recognition system is developed. We divide the whole system into ...
  • Biologically motivated 3D face recognition 
    Salah, Albert Ali. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Face recognition has been an active area of study for both computer vision and image processing communities, not only for biometrics but also for human-computer interaction applications. The purpose of the present work is ...
  • Multicasting for all-optical multifiber networks 
    Köksal, Fatih. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    We propose to use a layered graph approach, which has been previously proposed for unicasting, to have a more general, realistic and flexible model of an all-optical multifiber network for multicasting. This new presentation ...
  • Deployment quality measures in surveillance wireless sensor networks 
    Onur, Ertan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Surveillance wireless sensor networks are deployed at border locations to detect unauthorized intrusions. For deterministic deployment of sensors, the quality of deployment can be determined sufficiently well by analysis ...
  • A collaborative multi-robot localization technique for autonomous robots 
    Bağcı, Hatice Köse. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This work proposes a novel method for collaborative global localization of a team of soccer playing autonomous robots. It is also applicable to other indoor real-time robot applications in noisy, unpredictable environments, ...
  • Hardware / software partitioning for custom instruction processors 
    Atasu, Kubilay. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this thesis, we describe an integer linear programming (ILP) based system called CHIPS for identifying custom instructions given the available data bandwidth and transfer latencies between the base processor and the ...
  • A flexible approach for context-aware service selection in agent-mediated e-commerce 
    Şensoy, Murat. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this dissertation, we examine the problem of service selection in an e‐commerce setting where consumer agents cooperate to identify providers that would satisfy their service needs the most. There are three major ...
  • Medium access control layer performance ıssues in wireless sensor networks 
    Demirkol, İlker Seyfettin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Wireless sensor networks (WSNs) present a promising technology for many applications providing an intelligent and remote observation of a destination. Among the various potential applications, there are health monitoring, ...
  • TDMA based wireless sensor network for military monitoring (MILMON) 
    Bekmezci, İlker. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Wireless sensor network (WSN) is a new network family that enables to create smart environments. Although WSN has many application areas, military applications of WSN are very interesting. In this thesis, a new TDMA based ...
  • Improving the performance of software defect predictors with internal and external information sources 
    Turhan, Burak. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this dissertation, we make an analysis of software defect prediction problem from a data mining perspective, where software characteristics are represented with static code features and defect predictors are learned ...
  • Vision based sign language recognition: modeling and recognizing isolated signs with manual and non-manual components 
    Aran, Oya. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis addresses the problem of vision based sign language recognition and focuses on three main tasks to design improved techniques that increase the perfor- mance of sign language recognition systems. We first attack ...
  • Bayesian source modelling for single-channel audio separation 
    Dikmen, Onur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In many audio processing tasks, such as source separation, denoising or com- pression, it is crucial to construct realistic and flexible models to capture the physical properties of audio signals. This can be accomplished ...
  • Routing and network mobility management in next generation satellite networks 
    Korçak, Ömer. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Satellite networks are an attractive option to provide broadband telecommunication services to globally scattered users, due to their extensive geographic coverage, high bandwidth availability, inherent broadcast capabilities, ...

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