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HeteroSim: Heterogeneous simulation framework 

Dursun, Taner; Daǧ, Hasan (Association for Computing Machinery, 2009)
In order to arrange heterogeneous simulation executions it would be useful to have simulation tools that enable easy and fast creation of simulation sessions employing real-time software components beside simulation codes. ...
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Towards faster branch outage simulations using simulated annealing and parallel programming 

Ceylan, Oǧuzhan; Ozdemir, Aydogan; Daǧ, Hasan (IEEE, 2009)
Contingency studies such as branch outage and generator outage are among important studies of energy management centers operations. Branch outage modeling on the other hand is one of the basic steps of post-outage state ...
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Parallel contingency analysis using differential evolution based solution for branch outage problem 

Ceylan, Oǧuzhan; Daǧ, Hasan; Ozdemir, Aydogan (IEEE, 2009)
Contingency analysis is one of the most fundamental work an electricity management center operator has to perform regularly. If both bus voltage magnitudes and reactive power flowing on the branches during any type of ...
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On-line transient stability assessment using Matlab parallel programming environment 

Soykan, Gürkan; Daǧ, Hasan (IEEE, 2009)
Transient Stability Assessment (TSA) is the major part of Dynamic Security Assessment (DSA) in an electric power system. On-line TSA has gained more importance for power system security in last two decades. The decreasing ...
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Parallel implementation of iterative rational Krylov methods for model order reduction 

Yetkin, Emrullah Fatih; Daǧ, Hasan (IEEE, 2009)
Model order reduction (MOR) techniques are getting more important in large scale computational tasks like large scale electronic circuit simulations. In this paper we present some experimental work on multiprocessor systems ...
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Protecting openflow switches against denial of service attacks 

Bahaa-Eldin, Ayman M.; ElDessouky, Ebada Mohamed Essam Eldin Ibrahim; Daǧ, Hasan (Institute of Electrical and Electronics Engineers Inc., 2018)
This paper presents a novel approach to protect Openflow switches against a type of Denial of Service (DoS) attacks. Openflow switches are the core of Software Defined Networks (SDN) and they are very flexible programmable ...
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Implementation of a SDN (Software defined network) 

Ergen, Mithat Sinan; Kutlan, Sarp; Daǧ, Tamer; Daǧ, Hasan (International Institute of Informatics and Systemics IIIS, 2014)
Improving resource efficiency enhancing network security and achieving simpler network management have become the main goals for networking in the previous years. To accomplish these ideas an efficient routing traffic ...
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The impact of text preprocessing on the prediction of review ratings 

Işık, Muhittin; Daǧ, Hasan (Tubitak, 2020)
With the increase of e-commerce platforms and online applications, businessmen are looking to have a rating and review system through which they can easily reveal the feelings of customers related to their products and ...
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Power Consumption Estimation Using In-Memory Database Computation 

Daǧ, Hasan; Alamin, Mohamed Abdullah Al (Institute of Electrical and Electronics Engineers Inc., 2016)
In order to efficiently predict electricity consumption we need to improve both the speed and the reliability of computational environment. Concerning the speed we use in-memory database which is taught to be the best ...
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Heuristic Methods for Postoutage Voltage Magnitude Calculations 

Ceylan, Oǧuzhan; Özdemir, Aydogan; Daǧ, Hasan (TUBITAK Scientific & Technical Research Council Turkey, 2016)
Power systems play a significant role in every aspect of our daily lives. Hence their continuation without any interruption (or with the least duration of interruption due to faults or scheduled maintenances) is one of the ...
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Daǧ, Hasan (34)
Dag H. (11)Ceylan O. (8)Ozdemir A. (7)Soykan, Gürkan (6)Ceylan, Oǧuzhan (5)Yetkin, E. Fatih (5)Çayır, Aykut (5)Özdemir, Aydoğan (4)Flueck, Alexander J. (3)... View MoreSubjectOptimization (7)Branch outage (6)Modeling (5)Contingency studies (3)Intelligent methods (3)Differential evolution (2)DoS (2)Gravitational search algorithm (2)Heuristic methods (2)Iterative methods (2)... View MoreDate Issued2020 - 2021 (3)2010 - 2019 (35)2008 - 2009 (7)Has File(s)true (32)false (13)

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