Başlık için Ph.D. Theses listeleme

Sırala: Sıra: Sonuçlar:

  • A scheduling model for centralized cognitive radio networks 
    Gözüpek, Didem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, we present a scheduling model for centralized cognitive radio networks. Our model consists of a set of schedulers that focus on the data transmission of the secondary users and determine with which frequency, ...
  • ADES : automatic driver evaluation system 
    Kaplan, Kemal. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011 .)
    Most of the traffic accidents occurred in the world and in our country are caused by the drivers. ADES (Automatic Driver Evaluation System) project targets to present a framework for integrating different applications for ...
  • Algorithms for learning from online human behavior and human interaction with learning algorithms 
    Çapan, Gökhan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In modern digital systems, algorithms that deliver personalized content shape the user experience and affect user satisfaction, hence long-term engagement with the system. What the system presents also influences the parties ...
  • Alternative spectrum trading architectures in cognitive radio networks: Spectrum exchange, CRM, strict power control 
    Alptekin, Gülfem Işıklar. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The underutilization of spectrum coupled with developments in network technologies has prompted a number of proposals for managing spectrum. Dynamic spectrum access radio technology, which is based on cognitive radio ...
  • An application aware utility based lifetime quantification framework for wireless sensor networks 
    Özgövde, Bahri Atay. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this work, we devise a framework for incorporating the application dependence into the lifetime measurement process of the wireless sensor networks, thereafter via extensive experiments, demonstrate the signi cance of ...
  • An efficient evolutionary clustering and prediction model for gene expression time series data 
    Erdem, Atakan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Because of using manual methods in some parts of gene expression experiments, reliability of the data is low. If this data is directly utilized as input to a data mining algorithm or a model for evaluating gene expression ...
  • An issue recommender model using the developer Collaboration network 
    Çağlayan, Bora. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Assignment of new issues to developers is an important part of software maintenance activities. In this research, we build an issue recommendation model that recommends new issues to developers and highlights the defect ...
  • Analysis of reception process for an absorbing receiver in molecular communication via diffusion 
    Akkaya, Ali. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Nanotechnology is currently being applied to vast number of elds to overcome the challenges faced with existing technologies that cannot e ciently scale down to nano level. However, considering the limited processing and ...
  • Application mapping and optimization for cmp based architectures 
    Demiröz, Betül. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Chip Multiprocessors (CMPs) are becoming standard and primary building blocks for personal computers as well as large scale parallel machines, including supercomputers. In this thesis, our main focus is on performance-aware ...
  • 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 ...
  • Assessing and enhancing machine learning methods in IVF process : predictive modeling of implantation and blastocyst development 
    Özkaya, Aslı Uyar. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this thesis, we address the decision-making problems in in vitro fertilization treatment from the machine learning perspective aiming to increase the clinical success rates. Initially, we present a comprehensive and ...
  • Auction and barter models for electronic markets 
    Özer, Ali Haydar. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    We propose three auction and barter based electronic market models. Our first model is a direct barter model for the course add/drop process in the universities. We model the course add/drop process as a direct barter ...
  • Automated query-biased and structure-preserving document summarization for web search tasks 
    Pembe, Fatma Canan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    With the drastic increase of available information sources on the Internet, people with different backgrounds in the world share the same problem: locating useful information for their actual needs. Search engines provide ...
  • Automated reasoning on exceptions in commitment-based multiagent systems 
    Kafalı, Remzi Özgür. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Exceptions constitute a signi cant portion of people's lives. When things do not go as planned, due to environmental reasons or because one does not bring about his responsibility in a given task, unexpected situations ...
  • Automatic synthetic benchmark generation for multicore systems 
    Deniz, Etem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    We present a novel automated multicore benchmark synthesis framework for multicore systems including CPUs and GPUs with characterization and generation components to speed up architectural simulation of modern architectures. ...
  • Bayesian approaches for privacy preserving data sharing 
    Ermiş, Beyza. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this thesis, we focus on the data fusion problem where we have heterogeneous data which is collected from di↵erent sources and stored in the form of matrices and higher-order tensors and propose coupled matrix and tensor ...
  • Bayesian changepoint and time-varying parameter learning in regime switching volatility models 
    Yümlü, Mustafa Serdar. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    This dissertation proposes a combined state and piecewise time-varying parameter learning technique in regime switching volatility models using multiple changepoint detection. This approach is a Sequential Monte Carlo ...
  • Bayesian methods for network traffic analysis 
    Kurt, Barış. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Statistical information about tra c patterns help a service provider to characterize its network resource usage and user behavior, infer future tra c demands, detect tra c and usage anomalies, and possibly provide insights ...
  • 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 ...
  • 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 ...

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