Browsing M.S. Theses by Title

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  • Theme supervised nonnegative matrix factorization for topic modeling 
    Suyunu, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Topic models are often used to organize and interpret large and unstructured corpora of text documents. They try to explain the topics that constitute the semantic infrastructure of the document sets and try to find the ...
  • Time efficient spam e-mail filtering for Turkish 
    Çıltık, Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In the present thesis, we propose spam e-mail filtering methods having high accuracies and low time complexities. The methods are based on the n-gram approach and a heuristics which is referred to as the first n-words ...
  • Tracing the colors of clothing in painting with image analysis 
    Sarı, Cihan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis, we propose an automated methodology to study the trend of color preferences for male and female subjects of paintings over several hundred years. This study is part of a larger project on understanding how ...
  • Training bidirectional generative adverarial networks with hints 
    Mutlu, Uras. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2019.)
    The generative adversarial network (GAN) is a deep learning architecture that learns a generative model by training a later discriminator to best differentiate “fake” examples generated by the generator from the “true” ...
  • Translation with user computation 
    Aydoğdu, Salih Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Human Computation aims to solve problems by means of combining the power of human and computer computation. The typical approach is to assign tasks to computers and humans based on what they are better capable of performing. ...
  • Transmitter location estimation using software defined radio 
    Özşahin, Mustafa Tuğrul. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    This thesis focuses on the practical implementation of transmitter location estimation algorithms using software de ned radio devices for the purpose of radio environment map construction, which is used to determine primary ...
  • Trust enhanced secure routing in SDN 
    Sertbaş, Nurefşan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    The presence of programmable entities, namely controllers and switches, in Soft ware Defined Networks (SDNs) provides a hierarchical architecture to achieve dynamic and manageable networks for easily utilizing high bandwidth ...
  • Turkish sign language animation with articulated body model 
    Gürel, Turan Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Demonstration of sign languages with the computer is a potentially useful learning aid for sign language learners. If implemented as a part of a learning tool, one that includes sign recognition as well, it will invaluable ...
  • Unsupervised 
    Başaran, Osman Tugay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Stress is one of the most important problems of today. Although it seems to be a part of modern human life, it is known to cause serious health problems. Many researchers from different disciplines have been working on ...
  • Unsupervised routing strategies for conditional deep neural networks 
    Meral, Tuna Han Salih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Deep convolutional neural networks are considered state-of-the- art solutions due to their high classification performance in image classification tasks. The apparent drawback is the amount of computing power required to ...
  • Use of goals for creating and enacting dynamic contracts in ambient intelligence 
    Işıksal, Ayça. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Ambient Intelligence (AmI) systems support everyday lives of humans by sensing and reacting to the environment when necessary. Devices of the AmI world cooperate with each other to achieve a common task by using the ...
  • 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 ...
  • Using Dec-POMDP algorithms to solve multi-agent decision problems in robot soccer 
    Aşık, Okan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Decentralized Partially Observable Markov Decision Process (Dec-POMDP) is a recent mathematical framework which has been used to model multi-agent coordination and decision making. However, its real life applications are ...
  • Using genetic algorithms with lexical chains for automatic text summarization 
    Berker, Mine. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    With the rapid increase in the amount of online text information, it became more important to have tools that would help users distinguish the important content. Automatic text summarization attempts to address this problem ...
  • Using Pade approximation in system modelling and simulation with state-space representation 
    Ceylan, Ülkü (Kolağasıoğlu). (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1992., 1992.)
    Today, in a variety of application the statistical characteristics of a system response is important in order for analysis and model the systems. In this study, we mainly made an investigation to the system analyzing and ...
  • Using polynomial approximations to discover qualitative models 
    Gerçeker, Reha Kamil. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The set of ordinary differential equations (ODE) of a physical system determines the precise numerical behavior that will be exhibited in the future. Abstracting an ODE into a qualitative differential equation (QDE) system ...
  • Using reviews on the web to predict box office success with machine learning methods 
    Sivrikaya, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Movie production is a serious undertaking that requires a significant amount of investment. The success of a movie, i.e., positive return on investment, can only be realized with a good performance at the box-office well after ...
  • Using transformer networks for detection and normalization of named entities in biomedical texts 
    Pala, İlkay Ramazan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The increasing difficulty of retrieving relevant information from rapidly growing literature has raised the interest for natural language processing (NLP) systems in the biomedical domain. In many of these systems, detection ...
  • Utilizing out-of-domain data through languaghe modeling based vocabulary saturation for English-Turkish machine translation 
    Aydın, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The training data size is of utmost importance for statistical machine translation (SMT), since it a ects the training time, model size, decoding speed, as well as the system's overall success. One of the challenges for ...
  • Utilizing wWiMAX Mesh model for efficient IPTV transmission 
    Uluğ, Seçkin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this thesis, an alternative model is proposed for the distribution of IPTV in wireless environment. Considering the data rate requirements of the IPTV service and challenges in distribution of the service due to wireless ...

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