Researcher:
Sönmez, Ömer Ozan

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Master Student

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Ömer Ozan

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Sönmez

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Sönmez, Ömer Ozan

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2006 - 20072

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    Comparison of pricing policies for a computational grid market
    (Springer-Verlag Berlin, 2006) N/A; Department of Computer Engineering; Sönmez, Ömer Ozan; Gürsoy, Attila; Master Student; Faculty Member; Department of Computer Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 8745
    In this paper, we demonstrate and discuss the economical results of applying a fixed, a dynamic and a stochastic approximation based pricing policy in a free commodity market model designed for computational grids. We present the pricing policies and our economy-driven scheduling heuristic as a part of our market model in which we assume resource owners desire to profit or recover their costs, and users desire to execute their jobs within the limits of their budget and time. The comparison experiments revealed that our dynamic pricing policy is more successful as a means for achieving social welfare in the market.
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    A novel economic-based scheduling heuristic for computational grids
    (Sage Publications Ltd, 2007) N/A; Department of Computer Engineering; Sönmez, Ömer Ozan; Gürsoy, Attila; Master Student; Faculty Member; Department of Computer Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 8745
    In the economic-based computational grids we need effective schedulers not only to minimize the makespan but also to minimize the costs that are spent for the execution of the jobs. in this work, A novel economy driven job scheduling heuristic is proposed and a simulation application is developed by using GridSim toolkit to investigate the performance of the heuristic. the simulation-based experiments demonstrate the effectiveness of the proposed heuristic both in terms of parameter sweep and sequential workflow type of applications.