Fen Bilimleri Enstitüsü: Recent submissions

  • Article ranking with citation context analysis 
    Döşlü, Metin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    It is hard to detect important articles in a specific context. Information retrieval techniques based on full text search can be inaccurate to identify main topics and they are not able to provide an indication about the ...
  • Bayesian network based pathway analysis of high throughput biological data 
    Korucuoğlu, Melike. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Biological data production has been increasing at an unprecedented pace with the advancements of microarrays and next-generation sequencing technologies. Such High Throughput Biological Data (HTBD), requires detailed ...
  • Discovering a gene interaction atlas using bayesian networks and external biological knowledge 
    Doğan, Haluk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Recent advances have enlightened that biological pathways are far more complicated than once thought, due to the inclusion of interconnected complex cellular actions, which made hard understanding the multifaceted mechanisms ...
  • Emergency situation notification based on social networks for mobile devices 
    Anıt, Hakan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    There is rapid increase in the number of microbloggers everyday. Users can share their thoughts instantaneously. In this thesis, we have studied on identi cation of emergency related contributions in social media and mobile ...
  • Computer vision based reuse detection in digital artworks 
    Işıkdoğan, Furkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Image reuse refers to the use of visual elements of existing images in order to create new ones. In this thesis, we study the automatic image reuse detection problem in digital artworks, which is a relatively under-studied ...
  • Detection of topic-based opinion leaders in microblogging environments 
    Kaymaz, Gözde. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Recently, the world has become a huge virtual and social environment where people spend a great deal of time expressing their thoughts, feelings and opinions. This virtual socialization seems to bring us to a new era where ...
  • Developing a fitness coach robot for elderly people in assisted living environments 
    Görer, Binnur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Ambient assisted living is a concept that summarizes the effort to create intelligent technologies to help elderly people to live without constant supervision by costly health personnel, as well as to improve their quality ...
  • Combinatorial auction based resource co-allocation model for grids 
    Özer, Ali Haydar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    Resource co-allocation problem is one of the challenging problems in grids. In order to model this problem, a new combinatorial auction based resource co-allocation (CABRC) approach is proposed. This economy based model ...
  • Climate change impacts on migration in the vulnerable countries 
    An, Nazan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This research focuses on the economic, demographic and environmental drivers of migration related with the sustainable development in the underdeveloped and developing countries, which are the most vulnerable to the climate ...
  • Gridification of earthquake location finding and regional fault plane solution applications 
    Bektaş, Bilal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, two studies have been conducted. One of them is Gridi cation of Earthquake Location Finding (ELF) Application and the other one is Gridi cation of Regional Fault Plane Solution (FPS) Application. Earthquake ...
  • The projection of mean temperature and precipitation for Ethiopia, Banglandesh, and Netherlands 
    Aydın, Gamze. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Climate change is an important problem for today and it will also continue to be an important problem for the future. The purpose of this thesis is to analyze the future of the climate through climate modelling in 3 countries ...
  • Human activity recognition using wireless ambient sensor networks 
    Ertan, Halil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Human activity recognition in home settings provides great facilities in ambient assisted living applications. With continuous and long term monitoring, daily routines of the residents can be inferred and any abnormal ...
  • Prenatal risk assessment of Down syndrome by probabilistic classifiers 
    Uzun, Ömer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Over the last 20 years, new technology has improved the methods of detection of fetal abnormalities, including Down syndrome. While there are ways to diagnose Down syndrome by obtaining fetal tissue samples by amniocentesis ...
  • Constructing a productivity model for small enhancements 
    Yıldızoğlu, Gülşah. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Software is in constant evolution and many approaches have been suggested to study software maintenance productivity. This master thesis aims to describe the process to design and implement a productivity measurement model ...
  • Fatigue life assessment of 5 MW onshore wind turbines 
    Kalan, Onur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Renewable energy is a significant part of energy sector due to its economical and natural reasons. The modern wind turbines can be designed such that they are resistant to the heavy loads and and excessive forces because ...
  • Performance evaluation of classification methods for online activity recognition on smart phones 
    Köse, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Human activity recognition using sensory data has become an active field of research in the domain of pervasive and mobile computing. It involves the use of different sensing technologies to automatically collect and ...
  • Self-trained discriminative constituency parser with hierarchical joint learning approach 
    Çelebi, Arda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Determining the syntactic structure of a sentence is a fundamental step towards understanding what is conveyed in that sentence. The syntactic parse tree of a sentence can be used in several tasks such as information ...
  • Delay-constrained online multicast routing heuristic for real-time communication 
    Şensoy, Murat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    In online multicast sessions, multicast group members join and leave the multicast session frequently. When real-time communications is concerned, online multicast routing becomes tougher. Real-time communications imposes ...
  • GA-NN approach for ECG feature selection in rule-based arrhythmia classification 
    Aslantaş, Gözde. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This paper presents rule extraction and feature selection system to detect abnormality in ECG signals. Genetic Algorithm-Neural Network (GA-NN) Approach is used to distinguish between the presence and absence of cardiac ...
  • Statistical analysis of graphs with abrupt changes 
    Hamzaoğlu, Türkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Graphs are powerful mathematical tools to express relationships between any kind of items in very diverse disciplines. In this work, we worked on stochastic block models and multiple change-point detection problem for graph ...