Arşiv ve Dokümantasyon Merkezi
Dijital Arşivi

Başlık için Fen Bilimleri Enstitüsü listeleme

Başlık için Fen Bilimleri Enstitüsü listeleme

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  • Assessment of technology development activities in turkish technoparks 
    Polat, Çağlar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study, a survey was conducted among the firms in Turkish technoparks in order to asses the technology development activities in these technoparks. A questionnaire was prepared and distributed to the firms in five ...
  • Assessment of the nitriding process paramaters to improve the wear resistance of selected steels 
    Yaman, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Liquid nitriding is one of the most popular heat treatment methods due to its application temperature which is generally in the ferritic region. This results in a good dimensional control after nitriding. Still, it is ...
  • Assessment of Turkish electricity imbalance based on energy demand forecast models with neyral networks 
    Demir, Utku. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Turkey requires reliable forecast values and assessment of its electricity imbalance to realize energy plans since it is import dependent on energy sector with very low energy intensity. Back propagation (BP), recurrent ...
  • Assessment of wrist rigidity in patients with parkinson's diease :|a new approach based on frequency analysis 
    Züngör, Günay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Wrist rigidity is accepted as a major indicator of the Parkinson’s Disease (PD). In the current medical practice, wrist rigidity is qualitatively measured by movement disorder specialists as a part of the Unified Parkinson’s ...
  • 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 ...
  • Association rule hiding over data streams 
    Günay, Ufuk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This study is about an endeavor towards combining association rule mining over data streams and association rule hiding for traditional databases. Mainly, a system for association rule hiding over data streams will be ...
  • Assortment games with effort in online marketplaces 
    Çehreli, Ceren. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    This thesis studies an assortment game of duopolistic retailers competing in as sortment and advertising effort decisions in an online marketplace. We suggest ways to maximize players’ payoffs and search for an answer to the ...
  • Asymmetric syntheses, ring opening and stereoselective reactions, absolute conformation and activation barrier determinations on axially chiral oxazolidine derivatives 
    Ordu, Öznur Demir. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study, sterically hindered 5-methyl-3-(o-aryl)-2,4-oxazolidinediones, 5-methyl- 3-(o-iodophenyl)-2-thioxo-4-oxazolidinedione and 5,5-dimethyl-3-(o-aryl)-2,4- oxazolidinediones have been synthesized. Diastereomeric ...
  • Asymmetries of men and women in selecting partner 
    Başar, Ömer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    People seek their love partner throughout their lives. As the internet grows rapidly, the traditional mate finding ways start to change. The new trend of finding a mate is to join the online dating services. We work on the ...
  • Asymptotically anti-de Sitter spacetimes in three dimensions 
    Deral, Ceren Ayşe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    In this thesis, we reviewed several aspects of asymptotically anti-de Sitter (AAdS) spacetimes in three dimensional Einstein gravity by following some important historical work. Starting with a brief introduction to anti-de ...
  • Asynchronous sigma-delta analog to digital converters 
    Kayaaltı, Balkır. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Analog to digital conversion is the process of translating analog real world signals to their corresponding binary encoded form which digital devices need. Among the examples for analog signal sources storage devices like ...
  • Atmospheric effects on propagation due to different particle shapes 
    Yıldırım, Osman. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    The purpose of this hesis is to determine the effects of atmospheric particles on electromagnetic wave propagation. Especially, the atmospheric conditions are very important at the millimetric waves. The scattering and ...
  • Atroposelective synthesis and reactions of axially chiral thiohydantoins 
    Sarıgül, Sevgi. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Nonracemic axially chiral thiohydantoins were synthesized atroposelectively by the reaction of ortho-arylisothiocyanates with amino acid ester salts in the presence of triethylamine (TEA). However, the synthesis of the ...
  • Attention modeling with temporal shift in sign language recognition 
    Çelimli, Ahmet Faruk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Sign languages (SLs) are the main communication language of deaf people. They are visual languages that establish communication through multiple cues including hand gestures, upper-body movements and facial expressions. ...
  • Au-based catalyst design for selective CO oxidation in hddrogen-rich streams 
    Tezcanlı, Sadi T. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The objective of this study was to investigate the selective CO oxidation over Au/ -Al2O3 catalyst modified with various metal oxide promoters (such as Mg, Mn, Fe, Ni, Ce, and Co) in hydrogen-rich environment. All catalysts ...
  • Auction and barter models for electronic markets 
    Özer, Ali Haydar. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    We propose three auction and barter based electronic market models. Our first model is a direct barter model for the course add/drop process in the universities. We model the course add/drop process as a direct barter ...
  • Audio source separation with convolutively mixed signals 
    Başaran, Doğaç. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this thesis, we addressed the problem of audio source separation of convolutivelymixed signals using microphone arrays. Independent Component Analysisis a major statistical tool for solving this problem. In real room ...
  • Augmentation of forced-convection heat transfer in roped tubes and investigation of variation of the heat transfer coefficient and friction factor for both laminar and turbulent flow 
    Korkmaz, Abdi. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    Since the geometry of roped tubes and smooth tubes are different, the flow characteristics and the heat transfer coefficients associated with each tube are also different. Because of improved geometry it is possible to ...
  • Authenticated quality of service awere routing in software defined networks 
    Aytaç, Samet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Quality of Service (QoS) aware routing is an ongoing and major problem for traditional networks since they are not able to manage network traffic for an immense variety of users due to their inflexible and static architectures. ...
  • Authentication of uncertain data based on K-means clustering 
    Ünver, Levent. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Probabilistic databases are beginning to expand in the database literature because of the upcoming challenges of uncertainty. It is a very new topic for the community and there are still some open problems for the researchers. ...