Rizos Sakellariou

Search results

• 2022

  Dynamic Threshold Setting for VM Migration

  Hummaida, A. R., Paton, N. W. & Sakellariou, R., 14 Apr 2022, Service-Oriented and Cloud Computing - 9th IFIP WG 6.12 European Conference. p. 31-46 Chapter 2. (Service-Oriented and Cloud Computing; vol. 13226)(Lecture Notes in Computer Science; vol. 13226).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Level Agreement 100%
  • Setting Threshold 100%
  • Reaction Time 100%
  • Response Time 75%
  • Performance Metric 50%
  45 Downloads (Pure)

• Minimizing the Importance Inequality of Nodes in a Social Network Graph

  Zareie, A. & Sakellariou, R., 10 Nov 2022, IEEE.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • World Interaction 100%
  • Structural Property 100%
  • Formal Definition 100%
  • Social Network Graph 100%
• 2020

  Challenges in Resource Provisioning for the Execution of Data Wrangling Workflows on the Cloud: A Case Study

  AlMasaud, A., Bharadwaj, A., Sampaio, S. & Sakellariou, R., 2 Jun 2020, (Accepted/In press) Proceedings of the 31st International Conference on Database and Expert Systems Applications. Springer Nature, 10 p. (Lecture Notes in Computer Science (LNCS)).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Resource Provisioning 100%
  • Case Study 100%
  • Workflow Execution 33%
  • Search Space 33%
  • Inherent Complexity 33%
• 2019

  An architecture and stochastic method for database container placement in the edge-fog-cloud continuum

  Kochovski, P., Sakellariou, R., Bajec, M., Drobintsev, P. & Stankovski, V., 2019, Proceedings - 2019 IEEE 33rd International Parallel and Distributed Processing Symposium, IPDPS 2019. IEEE, p. 396-405 10 p. 8821021. (Proceedings - 2019 IEEE 33rd International Parallel and Distributed Processing Symposium, IPDPS 2019).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Quality of Service 100%
  • Markov Decision Process 66%
  • Smart Application 50%
  • Artificial Intelligence 33%
  • Software Engineer 33%
  458 Downloads (Pure)

• Communication-Aware Scheduling Algorithms for Synchronous Dataflow Graphs on Multicore Systems

  Ma, M. & Sakellariou, R., 14 Jan 2019, SAMOS '18: Proceedings of the 18th International Conference on Embedded Computer Systems: Architectures, Modeling, and Simulation. p. 55-64 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Multicore System 100%
  • Scheduling Algorithm 100%
  • Signal Processing Application 50%
  • Communication Delay 50%
  • Multimedia Application 50%
• 2018

  Allocation of Publisher/Subscriber Data Links on a Set of Virtual Machines

  Lambert, T. & Sakellariou, R., 7 Sept 2018, Proceedings - 2018 IEEE International Conference on Cloud Computing, CLOUD 2018 - Part of the 2018 IEEE World Congress on Services. IEEE Computer Society , Vol. 2018-July. p. 516-523 8 p. 8457840. (IEEE International Conference on Cloud Computing, CLOUD; vol. 2018-July).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Subscriber Data 100%

• Dynamic Tuning for Parameter-Based Virtual Machine Placement

  Mosa, A. & Sakellariou, R., 29 Aug 2018, Proceedings - 17th International Symposium on Parallel and Distributed Computing, ISPDC 2018. IEEE, p. 38-45 8 p. 8452018

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Virtual Machine Placement 100%
  • Physical Machine 85%
  • Virtual Machine 42%
  • Level Agreement 42%
  • Data Center 14%
  179 Downloads (Pure)

• Reducing code size in scheduling synchronous dataflow graphs on multicore systems

  Ma, M. & Sakellariou, R., 23 Jan 2018, PARMA-DITAM 2018 - Proceedings: 9th Workshop on Parallel Programming and Run-Time Management Techniques for Many-Core Architectures and 7th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms. Association for Computing Machinery, p. 57-62 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Multicore System 100%
  • Embedded Systems 66%
  • Parallelism 33%
  • Multicore 33%
  • Scheduling Algorithm 33%

• Scheduling Scientific Workflows on Clouds Using a Task Duplication Approach

  Genez, T. A. L., Sakellariou, R., Bittencourt, L. F., Madeira, E. R. M. & Braun, T., 7 Jan 2018, 2018 IEEE/ACM 11th International Conference on Utility and Cloud Computing (UCC). p. 83-92 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
• 2017

  A Robust Scheduler for Workflow Ensembles under Uncertainties of Available Bandwidth

  Genez, T. A. L., Bittencourt, L. F., Sakellariou, R. & Madeira, E. R. M., 8 Sept 2017, Proceedings - 2017 IEEE 10th International Conference on Cloud Computing, CLOUD 2017. Fox, G. C. (ed.). IEEE Computer Society , Vol. 2017-June. p. 504-511 8 p. 8030627

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Particle Swarm Optimization 100%
  • Workflow Application 100%
  • Objective Function 100%

• A Robust Scheduler under Uncertainties of Available Bandwidth in Inter-Cloud Links for Workflow Ensembles in Hybrid Clouds

  Sakellariou, R., 25 Apr 2017, (Accepted/In press) IEEE CLOUD 2017.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• SHDF - A Scalable Hierarchical Distributed Framework for Data Centre Management

  Hummaida, A., Paton, N. & Sakellariou, R., 2017, 16th IEEE International Parallel and Distributed Processing Symposium .

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Data Center 100%
  • Needed Information 20%
  • Architectural Solution 20%
  • Unused Resource 20%
  • Decision-Making 20%
  233 Downloads (Pure)

• Work-in-progress: Code-size-aware mapping for Synchronous dataflow graphs on multicore systems

  Ma, M. & Sakellariou, R., 15 Oct 2017, Proceedings of the 2017 International Conference on Compilers, Architectures and Synthesis for Embedded Systems Companion, CASES 2017. Association for Computing Machinery, 3125514

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Embedded Systems 100%
  • Multicore System 100%
  • Signal Processing Application 50%
  • Instruction Memory 50%
• 2016

  A Particle Swarm Optimization Approach for Workflow Scheduling on Cloud Resources Priced by CPU Frequency

  Genez, T. A. L., Pietri, I., Sakellariou, R., Bittencourt, L. F. & Madeira, E. R. M., 10 Mar 2016, Proceedings - 2015 IEEE/ACM 8th International Conference on Utility and Cloud Computing, UCC 2015. IEEE, p. 237-241 5 p. 7431415

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Particle Swarm Optimization 100%
  • Execution Time 33%
  • Naïve Approach 33%
  • Constant Frequency 33%
  • sum capacity 33%

• Buffer minimization for rate-optimal scheduling of synchronous dataflow graphs on multicore systems

  Ma, M. & Sakellariou, R., 1 Jan 2016, Algorithms and Architectures for Parallel Processing - 16th International Conference, ICA3PP 2016, Proceedings. Carretero, J., Nakano, K., Ko, R. K. L., Mueller, P. & Garcia-Blas, J. (eds.). Springer Nature, p. 325-340 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10048 LNCS).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Exact Algorithm 100%

• Cost-efficient CPU provisioning for scientific workflows on clouds

  Pietri, I. & Sakellariou, R., 2016, Economics of grids, clouds, systems, and services : 12th International Conference, GECON 2015, Cluj-Napoca, Romania, September 15-17, 2015. Revised selected papers. Altmann, J., Silaghi, G. C. & Rana, O. F. (eds.). Springer Nature, p. 49-64 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9512).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Scientific Workflow 100%
  • Workflow Application 50%
  • Resource Provisioning 50%
  • cloud provider 50%
• 2015

  15th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, CCGrid 2015, Shenzhen, China, May 4-7, 2015

  Sakellariou, R., 2015, host publication. IEEE

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• 8th IEEE International Conference on Cloud Computing, CLOUD 2015, New York City, NY, USA, June 27 - July 2, 2015

  Sakellariou, R., Pu, C. (Editor) & Mohindra, A. (Editor), 2015, host publication. IEEE

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• A Cloud Controller for Performance-Based Pricing

  Lucanin, D., Pietri, I., Brandic, I. & Sakellariou, R., 2015, 8th IEEE International Conference on Cloud Computing. IEEE, p. 155-162 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• A Priority-Based Scheduling Heuristic to Maximize Parallelism of Ready Tasks for DAG Applications

  Zheng, W., Tang, L. & Sakellariou, R., 2015, 15th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, CCGrid 2015, Shenzhen, China, May 4-7, 2015. p. 596-605 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• Workflow Scheduling on Power Constrained VMs

  Pietri, I., Shepherd, D. & Sakellariou, R., 2015, host publication.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
• 2014

  43rd International Conference on Parallel Processing Workshops, ICPPW 2014, Minneapolis, MN, USA, September 9-12, 2014

  Sakellariou, R., 2014, host publication. IEEE Computer Society

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• A performance model to estimate execution time of scientific workflows on the cloud

  Pietri, I., Juve, G., Deelman, E. & Sakellariou, R., 2014, Workflows in Support of Large-Scale Science (WORKS), 2014 9th Workshop on. p. 11-19 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• Energy-Aware Workflow Scheduling Using Frequency Scaling

  Pietri, I. & Sakellariou, R., 2014, 43rd International Conference on Parallel Processing Workshops, ICPPW 2014, Minneapolis, MN, USA, September 9-12, 2014. p. 104-113 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• Proceedings of the 9th Workshop on Workflows in Support of Large-Scale Science, WORKS '14, New Orleans, Louisiana, USA, November 16-21, 2014

  Sakellariou, R., Montagnat, J. (Editor) & Taylor, I. J. (Editor), 2014, host publication. IEEE

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
• 2013

  Energy-constrained provisioning for scientific workflow ensembles

  Pietri, I., Malawski, M., Juve, G., Deelman, E., Nabrzyski, J. & Sakellariou, R., 2013, Proceedings - 2013 IEEE 3rd International Conference on Cloud and Green Computing, CGC 2013 and 2013 IEEE 3rd International Conference on Social Computing and Its Applications, SCA 2013|Proc. - IEEE Int. Conf. Cloud Green Comput., CGC 2013 IEEE Int. Conf. Soc. Comput. Its Appl., SCA. p. 34-41 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • task-scheduling 100%
• 2012

  A Monte-Carlo approach for full-ahead stochastic DAG scheduling

  Zheng, W. & Sakellariou, R., 2012, Proceedings of the 2012 IEEE 26th International Parallel and Distributed Processing Symposium Workshops, IPDPSW 2012|Proc. IEEE Int. Parallel Distrib. Process. Symp. Workshops, IPDPSW. p. 99-112 13 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Execution Time 100%
  • Task Execution 66%
  • Scheduling Problem 33%
  • Heterogeneous Computing System 33%
  • Individual Task 33%

• Budget-deadline constrained workflow planning for admission control in market-oriented environments

  Zheng, W. & Sakellariou, R., 2012, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.. Vol. 7150. p. 105-119 14 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Workflow Application 100%
  • Admission Control 100%
  • Distributed Computing 50%
  • Heterogeneous Resource 50%
  • Computing Technology 50%

• Self-adaptive and resource-efficient SLA enactment for cloud computing infrastructures

  Maurer, M., Brandic, I. & Sakellariou, R., 2012, Proceedings - 2012 IEEE 5th International Conference on Cloud Computing, CLOUD 2012|Proc. - IEEE Int. Conf. Cloud Comput., CLOUD. p. 368-375 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Computing Infrastructure 100%
  • Level Agreement 100%
  • Cloud Computing 100%
  • Reconfiguration 66%
  • Scientific Workflow 33%
• 2011

  Benchmarking grid information systems

  Field, L. & Sakellariou, R., 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.. Vol. 6852. p. 479-490 11 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Benchmarking 100%
  • Performance Metric 50%
  • Directory Service 50%
  • System Implementation 50%
  • grid service 50%

• Enacting SLAs in clouds using rules

  Maurer, M., Brandic, I. & Sakellariou, R., 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.. Vol. 6852. p. 455-466 11 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Resource Utilisation 100%
  • Time Performance 33%
• 2010

  DAG scheduling using a lookahead variant of the heterogeneous earliest finish time algorithm

  Bittencourt, L. F., Sakellariou, R. & Madeira, E. R. M., 2010, Proceedings of the 18th Euromicro Conference on Parallel, Distributed and Network-Based Processing, PDP 2010|Proc. Euromicro Conf. Parallel, Distrib. Netw.-Based Process., PDP. IEEE Computer Society , p. 27-34 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Execution Time 100%
  • Account Information 100%
  • Heterogeneous System 100%
  • Optimal Decision 100%

• How dynamic is the Grid? Towards a quality metric for Grid information systems

  Field, L. & Sakellariou, R., 2010, Proceedings - IEEE/ACM International Workshop on Grid Computing|Proc. IEEE ACM Int. Workshop Grid Comput.. IEEE Computer Society , p. 113-120 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • World Wide Web Search 100%
  • Scale Distributed System 100%
  • grid service 100%
  • Dynamic Nature 100%
  • Information Content 100%

• Load balancing using dynamic cache allocation

  Moreto, M., Cazorla, F. J., Sakellariou, R. & Valero, M., 2010, CF 2010 - Proceedings of the 2010 Computing Frontiers Conference|CF - Proc. Comput. Front. Conf.. Association for Computing Machinery, p. 153-163 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Optimized Version 100%

• Simulating autonomic SLA enactment in clouds using case based reasoning

  Maurer, M., Brandic, I. & Sakellariou, R., 2010, Towards a Service-Based Internet - Third European Conference, ServiceWave 2010, Proceedings. Vol. 6481 LNCS. p. 25-36 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6481 LNCS).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Level Agreement 100%
  • Case-Based Reasoning 100%
  • Resource Allocation 100%
  • Decision Making 100%
  • Virtual Machine 66%
• 2008

  Comparative Evaluation of the Robustness of DAG Scheduling Heuristics

  Canon, L.-C., Jeannot, E., Sakellariou, R., Zheng, W., Gorlatch, S. (Editor), Fragopoulou, P. (Editor) & Priol, T. (Editor), Apr 2008, Integration Research in Grid Computing, CoreGRID integration workshop. Gorlatch, S., Fragopoulou, P. & Priol, T. (eds.). p. 63-74 12 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
• 2007

  On the problem of minimizing workload execution time in SMT processors

  Cazorla, F. J., Fernandez, E., Knijnenburg, P. M. W., Ramirez, A., Sakellariou, R. & Valero, M., 2007, Proceedings - 2007 International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation, IC-SAMOS 2007|Proc. Int. Conf. Embedded Comput. Syst.: Archit., Model. Simul., IC-SAMOS. p. 66-73 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Optimum Performance 100%
• 2006

  An evaluation of heuristics for SLA based parallel job scheduling

  Yarmolenko, V. & Sakellariou, R., 2006, 20th International Parallel and Distributed Processing Symposium, IPDPS 2006|20th Int. Parallel Distrib. Process. Symp. IPDPS 2006. Vol. 2006.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Job Scheduling 100%
  • Level Agreement 100%
  • Grid Computing 20%
  • Computing Resource 20%
  • Resource Utilisation 20%

• Scheduling multiple DAGs onto heterogeneous systems

  Zhao, H. & Sakellariou, R., 2006, 20th International Parallel and Distributed Processing Symposium, IPDPS 2006|20th Int. Parallel Distrib. Process. Symp. IPDPS 2006. Vol. 2006.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Heterogeneous System 100%
• 2005

  On the flexibility of WS-agreement for job submission

  Sakellariou, R. & Yarmolenko, V., 2005, ACM International Conference Proceeding Series|ACM Int. Conf. Proc. Ser.. Vol. 117.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Reference Variable 100%
  • Constant Value 100%
• 2004

  A hybrid heuristic for DAG scheduling on heterogeneous systems

  Sakellariou, R. & Zhao, H., 2004, Proceedings - International Parallel and Distributed Processing Symposium, IPDPS 2004 (Abstracts and CD-ROM)|Proc. Int. Parall. Distrib. Process. Symp. IPDPS 2004. Vol. 18. p. 1571-1583 12 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Scheduling Problem 100%
  • Heterogeneous System 100%
  • task-scheduling 100%
  • Edge 100%
  • Minimizes 100%
• 2003

  An Experimental Investigation into the Rank Function of the Heterogeneous Earliest Finish Time Scheduling Algorithm

  Zhao, H. & Sakellariou, R., 2003, Euro-Par. p. 189-194 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
• 1998

  OCEANS: Optimising compilers for embedded applications

  Barreteau, M., Bodin, F., Brinkhaus, P., Chamski, Z., Charles, H. P., Eisenbeis, C., Gurd, J., Hoogerbrugge, J., Hu, P., Jalby, W., Knijnenburg, P. M. W., O'Boyle, M., Rohou, E., Sakellariou, R., Seznec, A., Stöhr, E. A., Treffers, M. & Wijshoff, H. A. G., 1998, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.. Vol. 1470. p. 1123-1130 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Optimizing Compiler 100%
  • VLIW Processor 100%
  • Embedded Application 100%
• 1997

  Compile-time minimisation of load imbalance in loop nests

  Sakellariou, R. & Gurd, J. R., 1997, Proceedings of the International Conference on Supercomputing|Proc Int Conf Supercomputing. New York, NY, United States: Association for Computing Machinery, p. 277-284 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Linear Function 100%
  • Computational Load 100%

• OCEANS: Optimizing compilers for embedded applications

  Aarts, B., Barreteau, M., Bodin, F., Brinkhaus, P., Chamski, Z., Charles, H. P., Eisenbeis, C., Gurd, J., Hoogerbrugge, J., Hu, P., Jalby, W., Knijnenburg, P. M. W., O'Boyle, M. F. P., Rohou, E., Sakellariou, R., Schepers, H., Seznec, A., Stöhr, E., Verhoeven, M. & Wijshoff, H. A. G., 1997, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.. Vol. 1300. p. 1351-1356 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Optimizing Compiler 100%
  • VLIW Processor 100%
  • Case Study 100%
  • Embedded Application 100%