Now showing items 1-9 of 9

    • Beyond Nyquist sampling: a cost-based approach 

      Özçelikkale, A.; Haldun M. Özaktaş (Optical Society of America, 2013)
      A sampling-based framework for finding the optimal representation of a finite energy optical field using a finite number of bits is presented. For a given bit budget, we determine the optimum number and spacing of the ...
    • Demonstration of flexible thin film transistors with GaN channels 

      Bolat, S.; Sisman, Z.; Okyay, Ali Kemal (American Institute of Physics Inc., 2016)
      We report on the thin film transistors (TFTs) with Gallium Nitride (GaN) channels directly fabricated on flexible substrates. GaN thin films are grown by hollow cathode plasma assisted atomic layer deposition (HCPA-ALD) ...
    • Design and analysis of mechanisms for decentralized joint replenishment 

      Güler, K.; Körpeoğlu, E.; Şen, A. (Elsevier B.V., 2017)
      We consider jointly replenishing multiple firms that operate under an EOQ like environment in a decentralized, non-cooperative setting. Each firm's demand rate and inventory holding cost rate are private information. We ...
    • Differential privacy with bounded priors: Reconciling utility and privacy in genome-wide association studies 

      Tramèr, F.; Huang, Z.; Hubaux J.-P.; Ayday, Erman (ACM, 2015-10)
      Differential privacy (DP) has become widely accepted as a rigorous definition of data privacy, with stronger privacy guarantees than traditional statistical methods. However, recent studies have shown that for reasonable ...
    • Discrete time/cost trade-off problem: a decomposition-based solution algorithm for the budget version 

      Hazır, O.; Haouari, M.; Erel, E. (Pergamon Press, 2010-04)
      This paper investigates the budget variant of the discrete time/cost trade-off problem (DTCTP). This multi-mode project scheduling problem requires assigning modes to the activities of a project so that the total completion ...
    • Energy-Optimum throughput and carrier sensing rate in csma-based wireless networks 

      Koseoglu, M.; Karasan, E. (IEEE, 2014)
      We propose a model for the energy consumption of a node as a function of its throughput in a wireless CSMA network. We first model a single-hop network, and then a multi-hop network. We show that operating the CSMA network ...
    • Multi-item quick response system with budget constraint 

      Serel, D. A. (2012)
      Quick response mechanisms based on effective use of up-to-date demand information help retailers to reduce their inventory management costs. We formulate a single-period inventory model for multiple products with dependent ...
    • New heuristic for the dynamic layout problem 

      Erel, E.; Ghosh, J. B.; Simon, J. T. (Palgrave Macmillan, 2003)
      The dynamic layout problem addresses the situation where the traffic among the various units within a facility changes over time. Its objective is to determine a layout for each period in a planning horizon such that the ...
    • Representation of optical fields using finite numbers of bits 

      Özçelikkale, A.; Haldun M. Özaktaş (Optical Society of America, 2012-06-04)
      We consider the problem of representation of a finite-energy optical field, with a finite number of bits. The optical field is represented with a finite number of uniformly spaced finite-accuracy samples (there is a finite ...