Fen Bilimleri Enstitüsü: Recent submissions

  • Privacy policy generation for images in online social networks 
    Kurtan, Abdurrahman Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Image sharing is a service offered by many online social networks. In order to preserve privacy of images, users need to think through and set the privacy settings for each image that they upload. This is difficult for two ...
  • Accompaniment robot with Turkish speech synthesis and LIP synchronization 
    Özcan, İbrahim. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    With the introduction of robots to the domestic environments, robot - human relations have become a more important research area. That is why we decided to make a robot to accompany people in their homes. We were dealing ...
  • Abnormal respiratory event detection in sleep: Prescreening system with smart wearables 
    Camcı, Burçin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Sleeping is an important activity to monitor since it has a crucial role in the over all health and well-being of the people and the society. The problems in sleep affect the daily lives of people negatively and a great ...
  • Privacy and utility - based decision making for sharing posts in online social network 
    Kepez, Tarık Berkant. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The use of online social networks is growing rapidly. With this rapid increase, preserving privacy of users is becoming harder and harder. Typically, social networks address the privacy problem by asking users to define ...
  • Service virtualization using recorded interactions 
    Enişer, Hasan Ferit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Today’s enterprise software systems are much more complicated than the past. Increasing number of dependent applications and heterogeneous technologies makes testing of such systems challenging due to multiple reasons ...
  • Sampling methods for randon simple and bipartite graphs with prescribed degree sequences 
    Çelikkanat, Abdulkadir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Complex networks have attracted considerable attention in recent years with the increase in the studies of real systems modeled by graphs such as biological and social networks. One problem in this domain is the generation ...
  • Developing a novel robust multi-agent task allocation algorithm for four-legged robot soccer domain 
    Meriçli, Çetin. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Multi-robot systems become more popular since a team of relatively simple robotsmay achieve a complex goal more effectively than a single complex robot if a properdesign paradigm is used. Two main advantages of multi-robot ...
  • Endosensorfusion: Particle filtering - based multi - sensory data fusion with switching state - space model for endoscopic capsule robots using recurrent neural network kinematics 
    Almalıoğlu, Yasin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Ingestible wireless capsule endoscopy is an emerging minimally invasive diagnostic technology for inspection of the gastrointestinal (GI) tract and diagnosis of a wide range of diseases and pathologies. Medical device ...
  • Fall risk assessment using gait parameters 
    Pehlivan, Nezihe. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    Falls lead to severe public health problems resulting in devastating psychological and physical consequences for older people and their families. Therefore, fall risk assessment has been a popular eld of research in the ...
  • Detection of orgenized behaviours on twitter 
    Beğenilmiş, Erdem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Microblogging platforms are widely used to share information, feelings, and ideas about anything. With nearly 320 million users (as of April 2017) Twitter is one of the most popular microblogging platforms making it a ...
  • Supervised and fuzzy rule based link prediction in weighted co-authorship networks 
    Asil, Aziz. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    Link Prediction is a fundamental problem in the social networks analysis. In order to solve this problem supervised learning algorithms, which include one fuzzy rule based algorithm were applied in this study. Besides ...
  • Determination of the changes of drought occurrence in Middle East and North Africa using regional climate modeling 
    Saygılı, Fatma Sibel. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    The Middle East and North Africa (MENA) region has many nations which are among the most vulnerable to drought and any possible reduction in precipi tation. Along with the growing populations in the region, the need for ...
  • Course scheduler and recommendation system for students 
    Uslu, Süleyman. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    University students need to prepare their course programs at the beginning of each semester. A large number of offered courses is desired by students since it is easier to create a schedule using a great diversity of courses. ...
  • Succinctness analysis of finite automaton models 
    Erdoğan, Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Finite state automaton, or finite automaton, is a mathematical model of compu tation and has been one of the most studied models in automata theory. Throughout the years, many different types of finite state automata are ...
  • Inference and parameter estimation in bayesian change point models 
    Yıldız, Çağatay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this work, we present a Bayesian change point model that identifies the time points at which a time series undergoes abrupt changes. Our model is a hierarchical hidden Markov model that treats the change points and the ...
  • Development of a data colletion and analysis tool for protein - ligand interactions 
    Yirik, Mehmet Aziz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Analysis of protein – ligand interactions guides the development of new drugs. For protein - ligand interaction studies, first step is the construction of an accurate dataset. This data collection process can be completed ...
  • Modeling bounded data with sum conditioned poisson factorization 
    Ceritli, Taha Yusuf. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Non-negative matrices appears in many domains from item recommendation, audio signal processing to computer vision in which data instances have a bounded non-negative range. For various tasks in these areas, probabilistic ...
  • Optimization of quantum random walk simulations 
    Küçük, Uğur. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In computer science, an exponential performance gain is considered an importantachievement that can extend the set of practically computable problems. Behind the interest in quantum computation, there is the fact that ...
  • Video and image based face analysis with extreme learning machines 
    Gürpınar, Furkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Automatic analysis of human behavior has been a difficult problem due to noise, environmental differences and lack of annotation. While lab-controlled data provides an easier learning experiment, “in the wild” datasets require ...
  • Negotiation strategies for privacy in online social networks 
    Keküllüoğlu, Dilara. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Online Social Networks (OSNs) are web-services that enable users to connect with other users, share content and view other users' content. Spread of online social networks brings privacy problems that are not addressed ...

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