M.S. Theses: Recent submissions

  • A temporal XML data model and its implementation in anaesthesia information systems 
    Ünlü, Oya. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Information systema are widely used in health domain. In today's world, medical records, hospital systems, anaesthesia information systems are some of the crucial parts of the health systems. Time is very important information ...
  • An intelligent database interface for Turkish 
    Darcan, Osman Nuri. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1991., 1991.)
    In this thesis, a portable natural language interface system for communicating with databases in Turkish is developed. The system does a two step transformation from a Turkish query in user's view to an intermediate meaning ...
  • Discriminant ensembles and error analysis of classifier fusion rules 
    Semerci, Murat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Each classification algorithm has its own underlying assumption and misclassifies different patterns and overall accuracy can be increased by a suitable fusion of multiple classifiers. The combination is performed over the ...
  • RH (+): the model for high-level embedded system design on run-time reconfigurable hardware 
    Kurumahmut, Bayram. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The process of embedded system design on recon gurable architectures needs smart solutions to reduce the cost of development life-cycle and to use resources ef- ciently at run-time. However, the current solutions ...
  • Proactive caching scheduler for web services 
    Güveniş, Mehmet. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Web services are one the most promising technologies in distributed computing. Platform independence and easy interoperability features of web services solved many problems faced with earlier distributed computing technologies. ...
  • Semantic advanced matchmaker (SAM) 
    İlhan, Savaş Erdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    As the number of available Web services increase finding appropriate Web services to fulfill a given request becomes an important task. Most of the current solutions and approaches in Web service discovery are limited in ...
  • Defect prediction for embedded software 
    Oral, Ataç Deniz. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    As ubiquitous computing becomes the reality of our lives, the demand for high quality embedded software in shortened intervals increases. In order to cope with this pressure, software developers need new approaches to ...
  • Source code to flowchart converter 
    Delioğlu, Selim. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    There are a wide variety of tools that enable people to visually design flow-charts for algorithms to generate source code or code templates for desired programming languages. A challenge can be to analyze existing source ...
  • Lifetime optimization using nonuniform deployment and heterogeneous sensors in wireless sensor networks 
    Gün, Muharrem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Wireless sensor networks consist of a large number of sensor nodes deployed in a region of interest for monitoring purposes. As sensor nodes are battery powered devices, their operation time is limited. In a multi-hop ...
  • Flexible code checker 
    Şekerci, M. Erdal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In software system development, the most important issue is to build a system that satisfies the requirements and works correctly. But even if a software system works correctly, this does not show that its source code is ...
  • Design and simulation of two-way quantum finite automata 
    Atak, Fatih Mehmet. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis, we review classical finite state automata, (FSAs and TWAs) and 2- way quantum finite state automata (2QFAs). We examine fundamental theorems and their proofs. We develop a software simulator of quantum ...
  • Selecting from an ensemble of experts for machine learning 
    Kılıç, Esma. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Decision combination has recently become popular to improve over single learner systems. The fundamental idea behind an ensemble of classifiers is that the patterns which are misclassified by different classifiers are not ...
  • Scheduling problem in distributed hard real-time computer systems :|a simulation approach to dynamic task scheduling using focused addressing and bidding 
    Tüzün, Z. Dilek (Duman). (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1990., 1990.)
    The unique feature, the time constraint, of hard real-time systems makes them different from the traditional computer systems because in such systems the required tasks must be executed not only functionally correctly but ...
  • Super peer web service discovery architecture 
    Ayorak, Evren. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Web Service discovery is currently performed with centralized registries such as UDDI. But centralized architectures suffer from single-point of failure and scalability. On the other hand, peer-to-Peer (P2P) protocols like ...
  • Assignment query and its implementation in moving object databases 
    Konan, Ali Rıza. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    With the rapid development of wireless communications as well as positioning technologies, the concept of moving objects has become more and more important. Moving Objects Databases (MOD) are being used in a wide range of ...
  • Effect of 3D topographical surfaces for the performance evaluation of wireless sensor networks 
    Arslan, Müzeyyen Gökçen. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    A wireless sensor network (WSN) is a self-organizing network, consisting of tiny wireless nodes which carry out a sensing and transferring task in collaboration. WSNs are getting popular because of their ease of deployment, ...
  • İndexing of XML-based encrypted medical documents in worm storage 
    Aksu, Naim. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Since the medical records are increasingly stored in electronic forms, especially in XML based documents, the storage devices for these records must preserve their trustworthiness. The regularity requirements rely on storing ...
  • 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 ...
  • Compressing mesh geometry using spectral methods and a set partitioning algorithm 
    Konur, Umut. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The demand for visualizing 3D objects has been growing rapidly in recent years due to the use of 3D models in several contexts and an increasing number of applications such as computer aided design, manufacturing, defense, ...
  • Sequence based searching over encrypted outsourced XML data 
    Olgun, Ahmet. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    There has been a considerable interest for securely querying XML data stored on a remote untrusted database server over insecure channels. In order to protect confidential XML data from malicious uses, XML data should be ...

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