Now showing items 1-20 of 31

    • Analysis of assembly systems for interdeparture time variability and throughput 

      Sabuncuoğlu, İ.; Erel, E.; Kok, A. G. (Taylor & Francis, 2002)
      This paper studies the effect of the number of component stations (parallelism), work transfer, processing time distributions, buffers and buffer allocation schemes on throughput and interdeparture time variability of ...
    • Analysis of design parameters in safety-critical computers 

      Ahangari, H.; Atik, F.; Ozkok, Y. I.; Yildirim, A.; Ata, S. O.; Ozturk, O. (IEEE Computer Society, 2018)
      Nowadays, safety-critical computers are extensively used in many civil domains like transportation including railways, avionics, and automotive. In evaluating these safety critical systems, previous studies considered ...
    • An analysis of manipulated information and respective alternative costs in information systems and in decision making structures 

      Güvenen O.; Öztürk, M.H. (International Institute of Informatics and Systemics, IIIS, 2006)
      Today Information Technologies create base for the most important decision support systems for the practices in academia, business and politics. The effectiveness and success of operations that are supported by information ...
    • Asymptotic analysis of reliability for switching systems in light and heavy traffic conditions 

      Anisimov, Vladimir V. (Birkhäuser, Boston, 2000)
      An asymptotic analysis of flows of rare events switched by some random environment is provided. An approximation by nonhomogeneous Poisson flows in case of mixing environment is studied. Special notions of S-set and ...
    • Bluetooth broadcasting performance: reliability and throughput 

      Dogan, K.; Gurel, G.; Kamci, K. A.; Korpeoglu, I. (Springer Verlag, 2006)
      This paper studies the performance of Bluetooth broadcasting scheme. The transmission of a Bluetooth broadcast packet is repeated several times to increase the reliability of broadcast. We have analyzed the effects of ...
    • Boolean normal forms, shellability, and reliability computations 

      Borgs, E.; Crama, Y.; Ekin, O.; Hammer, P.L.; Ibaraki, T.; Kogan, A. (Society for Industrial and Applied Mathematics, 2000)
      Orthogonal forms of positive Boolean functions play an important role in reliability theory, since the probability that they take value 1 can be easily computed. However, few classes of disjunctive normal forms are known ...
    • Comparison of different balance scales in Parkinson's disease 

      Gündüz, A. G.; Otman, A. S.; Kose, N.; Bilgin, S.; Elibol, B. (Turkey Association of Physiotherapists, 2009)
      Purpose: The main purpose of our study is finding out whether different methods used in evaluating balance are reliable and valid for Parkinson Disease. Material and methods: In the study, thirty idiopathic Parkinson ...
    • Compiler directed network-on-chip reliability enhancement for chip multiprocessors 

      Ozturk, O.; Kandemir, M.; Irwin, M. J.; Narayanan, S.H. K. (Association for Computing Machinery, 2010-04)
      Chip multiprocessors (CMPs) are expected to be the building blocks for future computer systems. While architecting these emerging CMPs is a challenging problem on its own, programming them is even more challenging. As the ...
    • The distribution of the residual lifetime and its applications 

      Çağlar, Mine Alp (Bilkent University, 1991)
      Let T be a continuous positive random variable representing the lifetime of an entitle This entity could be a human being, an animal or a plant, or a component of a mechanical or electrical system. For nonliving objects ...
    • An evaluation of the reliability of probability judgments across response modes and over time 

      Whitcomb, K. M.; Önkal D.; Benson, P. G.; Curley, S. P. (Wiley, 1993)
      Despite the importance of probability assessment methods in behavioral decision theory and decision analysis, little attention has been directed at evaluating their reliability and validity. In fact, no comprehensive ...
    • Fair task allocation in crowdsourced delivery 

      Basik, F.; Gedik, B.; Ferhatosmanoglu, H.; Wu, K. (Institute of Electrical and Electronics Engineers, 2018)
      Faster and more cost-efficient, crowdsourced delivery is needed to meet the growing customer demands of many industries. In this work, we introduce a new crowdsourced delivery platform that takes fairness towards workers ...
    • Fen ve teknoloji dersi öğretmen adaylarının bilimsel süreç becerilerinin ölçülmesine ilişkin bir test geliştirme çalışması 

      Karslı, F.; Ayas, A. (Ekip Ltd. Sti., 2013)
      Bu çalışmada, fen ve teknoloji dersi öğretmen adaylarının bilimsel süreç becerilerini ölçmeye yönelik, geçerliği ve güvenirliği sağlanmış çoklu formda bilimsel süreç becerileri testi (BİSBET) geliştirmek amaçlanmıştır. ...
    • Improving chip multiprocessor reliability through code replication 

      Ozturk, O. (Pergamon Press, 2010)
      Chip multiprocessors (CMPs) are promising candidates for the next generation computing platforms to utilize large numbers of gates and reduce the effects of high interconnect delays. One of the key challenges in CMP design ...
    • Language evolution and information theory 

      Ahlswede, R.; Arikan, E.; Bäumer L.; Deppe, C. (2004)
      The use of Nowak's model to study the language evolution and to settle a conjecture by Nowak was discussed. These models explained the ways by which natural selection can lead to the gradual emergence of human language. ...
    • Network design problems and value of control mechanisms in power systems 

      Sarhan, Meltem Peker (Bilkent University, 2019-06)
      Power systems planning and operations is one of the most challenging problems in energy field due to its complex, large-scale and nonlinear nature. Operating power systems with uncertainties and disturbances such as ...
    • A new method of probing the phonon mechanism in superconductors, including MgB2 

      Park, M.-A.; Savran, K.; Kim, Y.-J. (2001)
      Weak localization has a strong influence on both the normal and superconducting properties of metals. In particular, since weak localization leads to the decoupling of electrons and phonons, the temperature dependence of ...
    • NS-SRAM: neighborhood solidarity SRAM for reliability enhancement of SRAM memories 

      Alouani, I.; Ahangari, H.; Ozturk, O.; Niar, S. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Technology shift and voltage scaling increased the susceptibility of Static Random Access Memories (SRAMs) to errors dramatically. In this paper, we present NS-SRAM, for Neighborhood Solidarity SRAM, a new technique to ...
    • On the reliability exponent of the exponential timing channel 

      Arikan, E. (IEEE, 2002)
      We determine the reliability exponent E(R) of the Anantharam-Verdú exponential server timing channel with service rate μ for all rates R between a critical rate R c = (μ/4) log 2 and the channel capacity C = e -1μ. For ...
    • PetaShare: A reliable, efficient and transparent distributed storage management system 

      Kosar, T.; Akturk I.; Balman, M.; Wang X. (2011)
      Modern collaborative science has placed increasing burden on data management infrastructure to handle the increasingly large data archives generated. Beside functionality, reliability and availability are also key factors ...
    • Reconfigurable hardened latch and flip-flop for FPGAs 

      Ahangari, H.; Alouani, I.; Ozturk, O.; Niar, S. (IEEE Computer Society, 2017)
      In this paper, we propose Joint Latch (JLatch) and Joint Flip-Flop (JFF), two novel reconfigurable structures which bring the reconfigurability of reliability to user latches and flip-flops (FFs) in reconfigurable devices ...