Rizos Sakellariou

Search results

• 2023

  A hierarchical decentralized architecture to enable adaptive scalable virtual machine migration

  Hummaida, A. R., Paton, N. W. & Sakellariou, R., 25 Jan 2023, In: Concurrency and Computation: Practice and Experience. 35, 2, e7487.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Data Center 100%
  • Virtual Machine Migration 100%
  • Cloud Infrastructure 66%
  • Level Agreement 66%
  • Virtual Machine 33%
  58 Downloads (Pure)

• Centrality measures in fuzzy social networks

  Zareie, A. & Sakellariou, R., 1 Mar 2023, In: Information Systems. 114, 102179.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Fuzzy Relation 100%

• Data Preparation: A Technological Perspective and Review

  Fernandes, A., Koehler, M., Konstantinou, N., Pankin, P., Paton, N. & Sakellariou, R., 2 Jun 2023, In: SN Computer Science. 4, 425.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Data Preparation 100%
  • Real Estate 20%
  • Internal Data 20%
  • Data Repair 20%
• 2022

  Mitigating virus spread through dynamic control of community-based social interactions for infection rate and cost

  Zareie, A. & Sakellariou, R., 22 Sept 2022, In: Social Network Analysis and Mining. 12, 1, 132.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Infection Rate 100%
  • Link Capacity 100%
  • Optimization Problem 20%
  • Experimental Result 20%
  • Objective Optimization 20%

• Rumour spread minimization in social networks: A source-ignorant approach

  Zareie, A. & Sakellariou, R., 2022, In: Online Social Networks and Media. 29

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Social Network 100%
  • Critical Edge 100%
  • Experimental Result 20%

• Scalable Virtual Machine Migration using Reinforcement Learning

  Hummaida, A. R., Paton, N. W. & Sakellariou, R., 28 Apr 2022, In: Journal of Grid Computing. 20, 2

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Virtual Machine Migration 100%
  • Reinforcement Learning 100%
  • Level Agreement 80%
  • Resource Allocation 40%
  • And-States 20%
  170 Downloads (Pure)
• 2021

  A Hierarchical Decentralized Architecture to en- able Adaptive Scalable Virtual Machine Migration

  Hummaida, A., Sakellariou, R. & Paton, N., 2021, (Submitted) In: Concurrency and Computation: Practice & Experience.

  Research output: Contribution to journal › Article › peer-review

• Scalable Virtual Machine Migration using Reinforce- ment Learning

  Hummaida, A., Paton, N. & Sakellariou, R., 2021, (Submitted) In: Journal of Grid Computing.

  Research output: Contribution to journal › Article › peer-review
• 2020

  A Negotiation Protocol for Fine-Grained Accountable Resource Provisioning and Sharing in e-Science

  Meng, Z., Brooke, J., Han, J. & Sakellariou, R., 20 May 2020, In: Journal of Grid Computing. 18, 3, p. 471-490

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Resource Sharing 100%
  • Resource Provisioning 100%
  • Testbed 66%
  • Use Case 33%
  • Collaboration Model 33%

• ThermoSim: Deep learning based framework for modeling and simulation of thermal-aware resource management for cloud computing environments

  Gill, S. S., Tuli, S., Toosi, A. N., Cuadrado, F., Garraghan, P., Bahsoon, R., Lutfiyya, H., Sakellariou, R., Rana, O., Dustdar, S. & Buyya, R., 1 Aug 2020, In: Journal of Systems and Software. 166, 110596.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Thermal Behavior 100%
  • Performance Parameter 50%
  186 Downloads (Pure)
• 2019

  A Pareto-based approach for CPU provisioning of scientific workflows on clouds

  Pietri, I. & Sakellariou, R., May 2019, In: Future Generation Computer Systems. 94, p. 479 - 487

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  168 Downloads (Pure)

• A Rule-Based Approach Founded on Description Logics for Industry 4.0 Smart Factories

  Kourtis, G., Kavakli, E. & Sakellariou, R., 1 Sept 2019, In: IEEE Transactions on Industrial Informatics. 15, 9, p. 4888-4899 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  302 Downloads (Pure)

• The role of machine learning in scientific workflows

  Deelman, E., Mandal, A., Jiang, M. & Sakellariou, R., 1 Nov 2019, In: International Journal of High Performance Computing Applications.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Machine Learning 100%
  • Scientific Workflow 100%
  • Workflow Management System 40%
  • Natural Language Processing 20%
  • Computational Science 20%
  206 Downloads (Pure)
• 2018

  Performance-Based Pricing in Multi-Core Geo-Distributed Cloud Computing

  Lučanin, D., Pietri, I., Holmbacka, S., Brandic, I., Lilius, J. & Sakellariou, R., 16 Sept 2018, In: IEEE Transactions on Cloud Computing.

  Research output: Contribution to journal › Article › peer-review

  • Multicore 100%
  • Power Dissipation 100%
  • Cloud Computing 100%
  • cloud provider 100%
  • Energy Saving 100%

• The Internet of Things, Fog and Cloud continuum. Integration and Challenges

  Bittencourt, L. F., Immich, R., Sakellariou, R., Fonseca, N. L. S. D., Madeira, E. R. M., Curado, M., Villas, L., Silva, L. D., Lee, C. & Rana, O., Oct 2018, In: Internet of Things.

  Research output: Contribution to journal › Article › peer-review
• 2017

  A characterization of workflow management systems for extreme-scale applications

  da Silva, R. F., Filgueira, R., Pietri, I., Jiang, M., Sakellariou, R. & Deelman, E., 2017, In: Future Generation Computer Systems.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Workflow Management System 100%
  • Workflow Application 50%
  • Data Processing 50%
  • High-Performance Computing 25%
  • Data Access 25%
  213 Downloads (Pure)

• An Evaluation of Information Consistency in Grid Information Systems

  Field, L. & Sakellariou, R., Mar 2017, In: Journal of Grid Computing. 15, 1, p. 127-137 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Benchmarking 100%
  • System Implementation 50%
  • Messaging System 50%
  • grid service 50%
  • Information Source 50%

• A Survey of Power and Energy Predictive Models in HPC Systems and Applications

  Sakellariou, R., Oct 2017, In: ACM Computing Surveys . 50, 3

  Research output: Contribution to journal › Article › peer-review

  • Systems and Application 100%
  • Research Effort 100%
  • Predictive Model 100%
  • Energy Efficiency 100%
  • High-Performance Computing 50%
• 2016

  Mapping Virtual Machines onto Physical Machines in Cloud Computing: A Survey

  Pietri, I. & Sakellariou, R., 1 Oct 2016, In: ACM Computing Surveys . 49, 3, 49.

  Research output: Contribution to journal › Article › peer-review

  • Virtual Machine 100%
  • Physical Machine 100%
  • Cloud Computing 100%
  • Virtual Resource 100%
  • Physical Resource 66%
• 2014

  Using imbalance metrics to optimize task clustering in scientific workflow executions

  Chen, W., da Silva, R. F., Deelman, E. & Sakellariou, R., 13 Oct 2014, In: Future Generation Computer Systems. 46, p. 69-84 16 p.

  Research output: Contribution to journal › Article › peer-review
• 2013

  Adaptive resource configuration for Cloud infrastructure management

  Maurer, M., Brandic, I. & Sakellariou, R., Feb 2013, In: Future Generation Computer Systems. 29, 2, p. 472-487 15 p.

  Research output: Contribution to journal › Article › peer-review

  • Cloud Infrastructure 100%
  • Resource Configuration 100%
  • Level Agreement 100%
  • Cloud Computing 100%
  • Resource Utilisation 100%

• Budget-Deadline Constrained Workflow Planning for Admission Control

  Zheng, W. & Sakellariou, R., Dec 2013, In: Journal of Grid Computing. 11, 4, p. 633-651 18 p.

  Research output: Contribution to journal › Article › peer-review

  • Workflow Application 100%
  • Admission Control 100%
  • Business Medium 50%
  • Heterogeneous Resource 50%
  • Budget Constraint 50%

• Stochastic DAG scheduling using a Monte Carlo approach

  Zheng, W. & Sakellariou, R., 2013, In: Journal of Parallel and Distributed Computing. 73, 12, p. 1673-1689 16 p.

  Research output: Contribution to journal › Article › peer-review

  • Application Performance 100%
• 2011

  Utility functions for adaptively executing concurrent workflows

  Lee, K., Paton, N. W., Sakellariou, R. & Fernandes, A. A. A., 25 Apr 2011, In: Concurrency and Computation: Practice & Experience. 23, 6, p. 646-666 20 p.

  Research output: Contribution to journal › Article › peer-review

  • Utility Function 100%
  • Optimization Problem 40%
  • Workflow Execution 40%
  • Parallelism 20%
  • Response Time 20%
• 2009

  Adaptive workload allocation in query processing in autonomous heterogeneous environments

  Gounaris, A., Smith, J., Paton, N. W., Sakellariou, R., Fernandes, A. A. A. & Watson, P., Jun 2009, In: Distributed and Parallel Databases. 25, 3, p. 125-164 39 p.

  Research output: Contribution to journal › Article › peer-review

  • Query Processing 100%
  • Parallelism 66%
  • Query Processor 33%
  • Resource Access 33%
  • Resource Sharing 33%
• 2008

  A control theoretical approach to self-optimizing block transfer in Web service grids

  Gounaris, A., Yfoulis, C., Sakellariou, R. & Dikaiakos, M. D., 1 May 2008, In: ACM Transactions on Autonomous and Adaptive Systems. 3, 2, 6.

  Research output: Contribution to journal › Article › peer-review

  • Nonlinear Behavior 100%
  • Operating Point 100%
• 2007

  Optimizing workflow data footprint

  Singh, G., Vahi, K., Ramakrishnan, A., Mehta, G., Deelman, E., Zhao, H., Sakellariou, R., Blackburn, K., Brown, D., Fairhurst, S., Meyers, D., Berriman, G. B., Good, J. & Katz, D. S., 2007, In: Scientific Programming. 15, 4, p. 249-268 19 p.

  Research output: Contribution to journal › Article › peer-review

  • Scientific Collaboration 100%
  • Information Storage 100%
  • Scientific Workflow 100%
  • Data Management 100%
  • Scale Production 100%
• 2004

  Self-monitoring query execution for adaptive query processing

  Gounaris, A., Paton, N. W., Fernandes, A. A. A. & Sakellariou, R., Dec 2004, In: Data and Knowledge Engineering. 51, 3, p. 325-348 23 p.

  Research output: Contribution to journal › Article › peer-review

  • Feedback Loop 100%
• 2003

  Distributed query processing on the grid

  Smith, J., Gounaris, A., Watson, P., Paton, N. W., Fernandes, A. A. A. & Sakellariou, R., Dec 2003, In: International Journal of High Performance Computing Applications. 17, 4, p. 353-367 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Query Processing 100%
  • Processing System 33%
  • Data Access 16%
  • Multiple Location 16%
  • Integrating Data 16%
• 2002

  Compiler-optimized simulation of large-scale applications on high performance architectures

  Adve, V. S., Bagrodia, R., Deelman, E. & Sakellariou, R., 2002, In: Journal of Parallel and Distributed Computing. 62, 3, p. 393-426 33 p.

  Research output: Contribution to journal › Article › peer-review

  • Message Passing 100%
  • Execution Time 33%
  • Passing System 33%
  • Task Graph 33%
  • Measurement Program 33%
• 2000

  POEMS: end-to-end performance design of large parallel adaptive computational systems

  Sakellariou, R. & Adve, V. S., Nov 2000, In: IEEE Transactions on Software Engineering. 26, 11, p. 1027-1048 21 p.

  Research output: Contribution to journal › Article › peer-review

  • End Performance 100%