BSc, MSc, PhD
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Welcome to my personal website

Studies

First degree in Computer Science from the Department of Informatics of Aristotle University, Thessaloniki, 2005

MSc degree in Computer Science from the Department of Informatics of Aristotle University, Thessaloniki, 2007
Title of my Master Thesis: "Modeling and Simulation of Job Scheduling in a Multi-site Grid System"

PhD degree in Computer Science from the Department of Informatics of Aristotle University, Thessaloniki, 2011
Title of my PhD Thesis: "Simulation and Performance Analysis of Job Allocation Policies in Computational Grids"

Current: PDSG (Parallel and Distributed Systems Group) Research Collaborator

Research Interests
  • Modeling and simulation of parallel and distributed systems
  • Performance evaluation
  • Grid computing
  • Energy-aware job scheduling
Publications

Conference Proceedings Publications

S. Zikos and H.D. Karatza, "Clairvoyant Site Allocation of Jobs with Highly Variable Service Demands in a Computational Grid". In the Proceedings of the 9th International Workshop on Performance Modeling, Evaluation, and Optimization of Ubiquitous Computing and Networked Systems (PMEO-UCNS'10), in conjunction with IPDPS 2010, Atlanta, USA (sponsored by IEEE Computer Society and ACM SIGARCH), April 19-23, 2010.

S. Zikos and H.D. Karatza, "Resource Allocation Strategies in a 2-level Hierarchical Grid System". In the Proceedings of the 41th Annual Simulation Symposium (ANSS), IEEE Computer Society Press, SCS, April 13-16, 2008, Ottawa, Canada, pp. 157-164.

Journal Publications

S. Zikos and H.D. Karatza, "A Clairvoyant Site Allocation Policy based on Service Demands of Jobs in a Computational Grid". Simulation Modelling Practice and Theory, Elsevier, in press.

S. Zikos and H.D. Karatza, "Performance and Energy Aware Cluster-level Scheduling of Compute-intensive Jobs with Unknown Service Times". Simulation Modelling Practice and Theory, Elsevier, Vol. 19, Issue 1, January 2011, pp. 239-250.

S. Zikos and H.D. Karatza, "Communication Cost Effective Scheduling Policies of Nonclairvoyant Jobs with Load Balancing in a Grid". The Journal of Systems and Software, Elsevier, Vol. 82, Issue 12, December 2009, pp.2103-2116.

S. Zikos and H.D. Karatza, "The Impact of Service Demand Variability on Resource Allocation Strategies in a Grid System". ACM Transactions on Modeling and Computer Simulation (TOMACS), Vol. 20, Issue 4, October 2010.

Contact

How to contact me

E-mail:

szikos at csd.auth.gr