Fen Bilimleri Enstitüsü: Recent submissions

  • Automatic TV logo detection and classification 
    Özay, Nedret. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Television (TV) logos are the only semantic objects that appear commonly in all TV broadcast videos. And they can be utilized in the development of many useful applications such as TV commercial detection, and audience ...
  • Parallel AAA and mobile IP registrarion for high performance and scalable mobile roaming 
    Demirkol, Aykut Soner. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    An important part of the communication technology currently depends on the wireless networking. With the increase in the connectivity needs, many types of wireless technologies have been deployed to ensure the coverage of ...
  • Cooperative sign language tutoring: a multiagent approach 
    Yıldırım, İlker. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Sign language is the natural means of communication for the hearing-impaired. Sign languages are based on signs, which are a combination of hand gestures, facial expressions, and head movements. Teaching these visual ...
  • Mitigation techniques for the energy hole problem in wireless sensor networks 
    Bojaxhiu, Ilir. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Uneven energy consumption in wireless sensor networks can drastically reduce the network lifetime. The large number of sensors reporting to a single data collection sink exposes the sensors around the sink to a higher ...
  • Source file level software defect prediction framework 
    Çelik, Melih. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Defect prediction techniques are used to address defective sections of source code in software products. Applying a defect prediction technique before proceeding to testing phase of software development helps the managers ...
  • Moving object information for location based services 
    Kantar, Sabri. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Delivering personalized services to subscribers is a relatively new challenging area for GSM content providers. One of the most effective ways to personalize mobile services is to make use of the location of the mobile ...
  • Parallel peocessing of encrypted XML documents in database as a service concept 
    Ünay, Ozan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Nowadays people prefer to concentrate on their own business and outsource the rest of the work. This has brought two important concepts to information technology world. First one is the "Software as a service" and the ...
  • Development of a translation memory system for Turkish to English 
    Kavak, Pınar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    This thesis studies translation memory systems and development of a translation memory system from Turkish to English. A translation memory system is a tool that is designed for helping human translators during translation. ...
  • A simulation model for bus based shared memory multiprocessor systems 
    Bekmezci, İlker. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    Simulation modelling is one of the most common methods to predict the performance of multiprocessor computer systems. In this study, a new simulation model is developed and a simulator based on this model is implemented ...
  • Design and implementation of multi-agent visiul-slam algorithms on autonomous robots 
    Özkucur, Nezih Ergin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The Simultaneous Localization and Mapping (SLAM) problem is one of the most challenging problems in robot navigation. The problem addresses autonomously exploring and mapping an unknown environment without prior knowledge ...
  • Security and privacy in radio frequency identification 
    Akgün, Mete. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    This thesis studies security and privacy issues of Radio Frequency Identi cation (RFID) technology that enhances ubiquitous computing environment. RFID technology is used to identify many types of objects. Some of the main ...
  • A modular approach for SMEs credit risk analysis 
    Derelioğlu, Gülnur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Credit risk analysis is a challenging problem in financial analysis domain. It aims to estimate the risk occurred when a customer is granted. The risk estimation depends on both customer behavior and economical condition. ...
  • Fuzzy inference system as a collaboration logic and a new M/N-based track initiation logic for wireless sensor networks 
    Akduran, Mustafa Özgür. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    According to the advances in digital electronics, micro-electro-mechanical systems and wireless communication technologies, it is viable to integrate a device with sensing, computing and wireless communication capabilities ...
  • Location estimation by fingerprinting in cellular networks 
    Kurt, Ömer Faruk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Location based services have attracted too much attention recently due to the increasing number of new value-added services. Also, the requirement set by Federal Communications Commission (FCC) to locate emergency calls ...
  • Distributed localization algorithms for target tracking in wireless sensor networks 
    Tolgay, Tolga. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    A wireless sensor network (WSN) is a group of tiny wireless sensor nodes which perform sensing and sharing this information in collaboration. WSNs have a wide application area including target tracking. Target tracking is ...
  • Performance evaluation and enhancements in video sensor networks 
    Durmuş, Yunus. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Video Sensor Networks are developed with the aim of advancing the application performance of the traditional sensor networks and creating new applications. For instance, the reliability of surveillance applications is ...
  • Merger dynamics in three agent games 
    Derici, Rüştü. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The thesis analyses the dynamics of merger in three agent games. The purpose of the study is to nd out how merger a ects the social structure. To begin with the de nition of a game, it is a series of competitions. In these ...
  • Effect of ligand binding on protein dynamics: a time series analysis 
    Başkan, Sena. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Internal dynamics of proteins can be analyzed by the help of simulation techniques, one of which is molecular dynamics (MD) simulation. Principal component analysis is commonly applied on large-sized MD simulation data to ...
  • An end-to-end QoS architecture for all-IP 4G mobile networks 
    Akkaya, Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Fourth Generation (4G) Networks can be defined as the convergence of wired and wireless network technologies and formation of all-IP based integrated system with premium quality and high security. As an integrated system, ...
  • Defect prediction in embedded software systems: cascading naive bayes algorithm with cross- vs within-company data 
    Tosun, Ayşe. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    As mobile technologies advance and become part of our everyday life, we need nomadic access to information through intelligent and interoperable devices. Hence there is an increasing demand for intelligent embedded systems. ...