Kurum Yazarı "Doğan, Atakan" Bildiri Koleksiyonu İçin Listeleme
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Biobjective scheduling algorithms for execution time-reliability trade-off in heterogeneous computing systems
Doğan, Atakan; Özgüner, Füsun (Oxford University Press, 2005)A heterogeneous computing (HC) system is composed of a suite of geographically distributed high-performance machines interconnected by a high-speed network, thereby providing high-speed execution of computationally intensive ... -
A comparison of static QoS-based scheduling heuristics for a meta-task with multiple QoS dimensions in heterogeneous computing
Golconda, K. S.; Özgüner, Füsun; Doğan, Atakan (2004)The problem of scheduling a set of independent tasks (a meta-task) with multiple QoS needs, such as Timeliness, Reliability, Versions, Security and Priority, in a Heterogeneous Computing (HC) environment is referred to as ... -
Dgridsim: a Real-Time Data Grid Simulator With Hierarchical Job and Data Scheduling
Tandoğan, Safai; Doğan, Atakan; Kandemir, Celal Murat (Insticc-Inst Syst Technologies Information Control & Communication, 2011)In this study, DGridSim, a process oriented and discrete-event driven all-in-one Data Grid simulator, is introduced, and some initial simulation results are reported to validate its operation. DGridSim has some distinguishing ... -
Effect of multiple flow on performance of real-time data grids
Atanak, Mustafa Mujdat; Doğan, Atakan (2011)Multicommodity flow problem deals with delivering multiple data items residing on different source machines on a networking system to their destinations in an efficient manner, while respecting the bandwidth and cost ... -
An efficient low area implementation of 2-D DCT on FPGA
Doğan, Atakan (Institute of Electrical and Electronics Engineers Inc., 2016)This paper presents the design and implementation for 2-D discrete cosine transform (DCT) with the goal of achieving low area utilization and high-speed operation on FPGAs. The design is based on the row-column decomposition ... -
An Efficient Low Area Implementation of 2-D DCT on FPGA
Doğan, Atakan (IEEE, 2015)This paper presents the design and implementation for 2-D discrete cosine transform (DCT) with the goal of achieving low area utilization and high-speed operation on FPGAs. The design is based on the row-column decomposition ... -
Evaluation of intersection collision warning system using an inter-vehicle communication simulator
Doğan, Atakan; Korkmaz, G.; Liu, Y.; Özgüner, Füsun; Redmill, K.; Tokuda, K. (2004)An inter-vehicle communication (IVC) simulator has been developed to evaluate an intersection collision warning system. Various representative intersection collision scenarios are simulated. The physical and Media Access ... -
Extended partial path heuristic for real-time staging in oversubscribed networks
Eltayeb, Mohammed S.; Doğan, Atakan; Özgüner, Füsun (Springer-Verlag Berlin, 2003)In this paper we propose the use of the PPH as a base for an offline schedule method to detect unsatisfiable requests in a staging system. This property allows a reduction in the overhead of transferring data-items with ... -
An eye-glasses-like wearable eye gaze tracking system [Gözlük tabanli bir göz hareket takip sistemi]
Topal, Cihan; Doğan, Atakan; Gerek, Ömer Nezih (2008)In this study, a new eye tracking system that works by wearing an eye-glasses-like apparatus with attached sensors, is introduced. Due to the working principle of the system, the device is called the Eye Touch system. The ... -
Heuristic Algorithms for Real-Time Unsplittable Data Dissemination Problem
Atanak, Mustafa Mujdat; Doğan, Atakan (Springer-Verlag London LTD, 2012)In real-time communication, the timely delivery of the data transfer requests needs to be guaranteed. This work formally introduces the Real-Time Unsplittable Data Dissemination Problem (RTU/DDP), which is a generalization ... -
Impact of Peer-to-Peer Communication on Real-time Performance of File Replication Algorithms
Atanak, Mustafa Mujdat; Doğan, Atakan (IEEE, 2008)A variety of file replication algorithms are proposed for Data Grids in the literature. Most of these algorithms ignore real-time Grid applications which are emerging in many disciplines of science and engineering today. ... -
On QoS-based scheduling of a meta-task with multiple QoS demands in heterogeneous computing
Doğan, Atakan; Özgüner, Füsun (Institute of Electrical and Electronics Engineers Inc., 2002)This paper investigates the problem of scheduling a set of independent tasks with multiple QoS needs, which may include timeliness, reliability, security, data accuracy, and priority, in a heterogeneous computing system. ... -
Optimal and suboptimal reliable scheduling of precedence-constrained tasks in heterogeneous distributed computing
Doğan, Atakan; Özgüner, Füsun (Institute of Electrical and Electronics Engineers Inc., 2000)This paper introduces algorithms which can produce both optimal and suboptimal task assignments to minimize the probability of failure of an application executing on a heterogeneous distributed computing system. A cost ... -
A path selection based algorithm for maximizing self-satisfiability of requests in real-time Grid applications
Eltayeb, Mohammed S.; Doğan, Atakan; Özgüner, Füsun (Springer-Verlag Berlin, 2004)Efficient data scheduling in Grid environments is becoming a seemingly important issue for distributed real-time applications that produce and process huge datasets. Thus, in this paper, we consider the data scheduling ... -
Performance of file replication policies for real-time file access in data grids
Doğan, Atakan (Association for Computing Machinery, Inc, 2007)A variety of file replication and replacement algorithms were proposed for the Data Grids in the literature. On the other hand, real-time Grid applications are emerging in many disciplines of science and engineering. Thus, ... -
Performance of real-time data scheduling heuristics under data replacement policies and access patterns in data grids
Doğan, Atakan (Springer-Verlag Berlin, 2006)A variety of real-time data scheduling heuristics were proposed for distributed, data intensive real-time applications running on a distributed computing system. The proposed heuristics are used to produce real-time data ... -
A Real-Time Data Grid Model With Centralized Job Scheduling
Atanak, Mustafa Mujdat; Tandoğan, Safai; Doğan, Atakan (Eurosis, 2010)A variety of simulators, emulators and real world infrastructures are implemented for Data Grids in the literature. Each of these works defines its own set of services and models. Yet, in the literature, there is no such ... -
Reliable matching and scheduling of precedence-constrained tasks in heterogeneous distributed computing
Doğan, Atakan; Özgüner, Füsun (Institute of Electrical and Electronics Engineers Inc., 2000)In this paper, two cost functions that can be incorporated into a matching and scheduling algorithm for tasks with precedence constraints are introduced to enable the algorithm to consider the reliability of different ... -
Simulation of hierarchical real-time task scheduling algorithms using DGridSim
Atanak, Mustafa Mujdat; Tandoğan, Safai; Doğan, Atakan (ICST, 2010)Real-time Data Grid applications are emerging in many disciplines of science and engineering. In order to run these applications while meeting the real-time constraints associated with them, the Data Grid infrastructure ... -
Static mapping heuristics for tasks with hard deadlines in real-time heterogeneous systems
Golconda, KS; Doğan, Atakan; Özgüner, Füsun (Springer-Verlag Berlin, 2004)Hard real-time tasks are associated with strict deadlines. Classical scheduling heuristics ensure fairness among tasks and prevent deadlock, but are not concerned with deadline compliance. Hence, there is a need for ...