Thanasis Loukopoulos

Publication Activity (10 Years)

Years Active: 2000-2022
Publications (10 Years): 50

Top Topics

Scheduling Problem

Top Venues

IEEE Trans. Sustain. Comput.

Publications

Panagiotis Oikonomou, Nikos Tziritas, Thanasis Loukopoulos, Georgios Theodoropoulos, Masatoshi Hanai, Samee U. Khan
Online Algorithms for the Interval Scheduling Problem in the Cloud: Affinity Pair Threshold Based Approaches. IEEE Trans. Sustain. Comput. 7 (2) (2022)
Kostas Kolomvatsos, Christos Anagnostopoulos, Maria G. Koziri, Thanasis Loukopoulos
Proactive & Time-Optimized Data Synopsis Management at the Edge. IEEE Trans. Knowl. Data Eng. 34 (7) (2022)
Nikos Pappas, Panagiotis Oikonomou, Nikos Tziritas, Kostas Kolomvatsos, Thanasis Loukopoulos
Bin Packing Heuristics for the Multiple Workflow Scheduling Problem. PCI (2021)
Eleni Fatourou, Nikolaos C. Zygouris, Thanasis Loukopoulos, Georgios I. Stamoulis
Review of Learning Design Choices of Primary School Programming Courses in Empirical Researches. EDUCON (2021)
Natalia Panagou, Panagiotis Belememis, Panos K. Papadopoulos, Maria G. Koziri, Thanasis Loukopoulos
Fast Rules to Speedup HEVC to VVC Transcoding. PCI (2021)
Panagiotis Oikonomou, Nikos Tziritas, Kostas Kolomvatsos, Thanasis Loukopoulos
Fast Heuristics for Mixed Fleet Capacitated Multiple TSP with Applications to Location Based Games and Drone Assisted Transportation. PCI (2021)
Anna Karanika, Panagiotis Oikonomou, Kostas Kolomvatsos, Thanasis Loukopoulos
A Demand-driven, Proactive Tasks Management Model at the Edge. FUZZ-IEEE (2020)
Panagiotis Oikonomou, Nikos Tziritas, Georgios Theodoropoulos, Maria G. Koziri, Thanasis Loukopoulos, Samee U. Khan
Graph-based Approaches for the Interval Scheduling Problem. ICPADS (2020)
Panagiotis Oikonomou, Kostas Kolomvatsos, Nikos Tziritas, Georgios Theodoropoulos, Thanasis Loukopoulos, Georgios I. Stamoulis
Uncertainty Driven Workflow Scheduling Using Unreliable Cloud Resources. NCA (2020)
Panagiotis Oikonomou, Kostas Kolomvatsos, Thanasis Loukopoulos
Resource Provisioning Schemes for Multiple Workflow Scheduling with Seclusion Requirements. PCI (2020)
Giorgos I. Papaioannou, Maria G. Koziri, Panos K. Papadopoulos, Thanasis Loukopoulos, Ioannis Anagnostopoulos
Tile Based Wavefront Parallelism in HEVC. SMAP (2020)
Nikos Tziritas, Samee U. Khan, Thanasis Loukopoulos, Spyros Lalis, Cheng-Zhong Xu, Keqin Li, Albert Y. Zomaya
Online Inter-Datacenter Service Migrations. IEEE Trans. Cloud Comput. 8 (4) (2020)
Panagiotis Oikonomou, Kostas Kolomvatsos, Nikos Tziritas, Georgios Theodoropoulos, Thanasis Loukopoulos, Georgios I. Stamoulis
A Fuzzy Logic Controller for Tasks Scheduling Using Unreliable Cloud Resources. CoRR (2020)
Vasileios Dimitriadis, Panagiotis Oikonomou, Panos K. Papadopoulos, Natalia Panagou, Antonios N. Dadaliaris, Thanasis Loukopoulos
GeoMakeIt!: A Platform for Developing Location Based Games. SMAP (2020)
Natalia Panagou, Panagiotis Oikonomou, Panos K. Papadopoulos, Maria G. Koziri, Thanasis Loukopoulos, Dimitrios K. Iakovidis
On Predicting Bottlenecks in Wavefront Parallel Video Coding Using Deep Neural Networks. EANN (2019)
Nikos Tziritas, Thanasis Loukopoulos, Samee Khan, Cheng-Zhong Xu, Albert Y. Zomaya
Online Live VM Migration Algorithms to Minimize Total Migration Time and Downtime. IPDPS (2019)
Natalia Panagou, Maria G. Koziri, Panos K. Papadopoulos, Panagiotis Oikonomou, Nikos Tziritas, Kostas Kolomvatsos, Thanasis Loukopoulos, Samee U. Khan
Evaluation of Heterogeneous Scheduling Algorithms for Wavefront and Tile Parallelism in Video Coding. ICIOT (2019)
Panos K. Papadopoulos, Natalia Panagou, Maria G. Koziri, Kostas Kolomvatsos, Thanasis Loukopoulos, Ioannis Anagnostopoulos
Coding Time Prediction in H.264/HEVC Transcoding Using Macroblock Sizes. SMAP (2019)
Thanasis Loukopoulos, Nikos Tziritas, Maria G. Koziri, George I. Stamoulis, Samee U. Khan, Cheng-Zhong Xu, Albert Y. Zomaya
Data Stream Processing at Network Edges. IPDPS Workshops (2018)
Panos K. Papadopoulos, Maria G. Koziri, Nikos Tziritas, Thanasis Loukopoulos, Ioannis Anagnostopoulos, Petr Saloun, David Andresic
On the Evaluation of Coarse Grained Parallelism in AV1 Video Coding. SMAP (2018)
Maria G. Koziri, Panos K. Papadopoulos, Nikos Tziritas, Thanasis Loukopoulos, Samee U. Khan, Albert Y. Zomaya
Efficient Cloud Provisioning for Video Transcoding: Review, Open Challenges and Future Opportunities. IEEE Internet Comput. 22 (5) (2018)
Thanasis Loukopoulos, Nikos Tziritas, Maria G. Koziri, Georgios I. Stamoulis, Samee Khan
A Pareto-Efficient Algorithm for Data Stream Processing at Network Edges. CloudCom (2018)
Nikos Tziritas, Saad Mustafa, Maria G. Koziri, Thanasis Loukopoulos, Samee U. Khan, Cheng-Zhong Xu, Albert Y. Zomaya
Server Consolidation in Cloud Computing. ICPADS (2018)
Natalia Panagou, Panos K. Papadopoulos, Maria G. Koziri, Thanasis Loukopoulos
On evaluating the impact of tile partitioning in AV1. PCI (2018)
Kostas Kolomvatsos, Thanasis Loukopoulos
Scheduling the execution of tasks at the edge. EAIS (2018)
Kostas Kolomvatsos, Maria G. Koziri, Thanasis Loukopoulos
An Intelligent Scheme for the Identification of QoS Violations in Virtualized Environments. ICTAI (2018)
Tahir Maqsood, Nikos Tziritas, Thanasis Loukopoulos, Sajjad Ahmad Madani, Samee U. Khan, Cheng-Zhong Xu, Albert Y. Zomaya
Energy and communication aware task mapping for MPSoCs. J. Parallel Distributed Comput. 121 (2018)
Eleni Fatourou, Nikolaos C. Zygouris, Thanasis Loukopoulos, Georgios I. Stamoulis
Teaching Concurrent Programming Concepts Using Scratch in Primary School: Methodology and Evaluation. Int. J. Eng. Pedagog. 8 (4) (2018)
Panagiotis Oikonomou, Antonios N. Dadaliaris, Thanasis Loukopoulos, Athanasios Kakarountas, Georgios I. Stamoulis
A Tetris-based legalization heuristic for standard cell placement with obstacles. MOCAST (2018)
Panos K. Papadopoulos, Maria G. Koziri, Thanasis Loukopoulos
A Fast Heuristic for Tile Partitioning and Processor Assignment in Hevc. ICIP (2018)
Thanasis Loukopoulos, Maria G. Koziri, Kostas Kolomvatsos, Panagiotis Oikonomou
On Green Scheduling for Desktop Grids. WorldCIST (3) (2018)
Kostas Kolomvatsos, Panagiotis Oikonomou, Maria G. Koziri, Thanasis Loukopoulos
A Distributed Data Allocation Scheme for Autonomous Nodes. SmartWorld/SCALCOM/UIC/ATC/CBDCom/IOP/SCI (2018)
Nikos Tziritas, Thanasis Loukopoulos, Samee Khan, Cheng-Zhong Xu, Albert Y. Zomaya
A Communication-Aware Energy-Efficient Graph-Coloring Algorithm for VM Placement in Clouds. SmartWorld/SCALCOM/UIC/ATC/CBDCom/IOP/SCI (2018)
Panagiotis Oikonomou, Maria G. Koziri, Nikos Tziritas, Antonios N. Dadaliaris, Thanasis Loukopoulos, Georgios I. Stamoulis, Samee U. Khan
Scheduling Video Transcoding Jobs in the Cloud. iThings/GreenCom/CPSCom/SmartData (2018)
Eleni Fatourou, Nikolaos C. Zygouris, Thanasis Loukopoulos, Georgios I. Stamoulis
Evaluation of Early Introduction to Concurrent Computing Concepts in Primary School. ICL (1) (2017)
Maria G. Koziri, Panos K. Papadopoulos, Nikos Tziritas, Nikos Giachoudis, Thanasis Loukopoulos, Samee U. Khan, Georgios I. Stamoulis
Heuristics for tile parallelism in HEVC. EUSIPCO (2017)
Antonios N. Dadaliaris, Panagiotis Oikonomou, Maria G. Koziri, Evangelia Nerantzaki, Yannis Hatzaras, Dimitrios Garyfallou, Thanasis Loukopoulos, Georgios I. Stamoulis
Heuristics to Augment the Performance of Tetris Legalization: Making a Fast but Inferior Method Competitive. J. Low Power Electron. 13 (2) (2017)
Dimitris Skoumpourdis, Panos K. Papadopoulos, Maria G. Koziri, Nikos Tziritas, Thanasis Loukopoulos, Ioannis Anagnostopoulos
On Improving the Speedup of Slice and Tile Level Parallelism in HEVC Using AVX2. PCI (2017)
Panagiotis Oikonomou, Maria G. Koziri, Antonios N. Dadaliaris, Thanasis Loukopoulos, Georgios I. Stamoulis
Domocus: Lock free parallel legalization in standard cell placement. MOCAST (2017)
Maria G. Koziri, Thanasis Loukopoulos, Maria Adam, Nicholas Assimakis, Grigoris Tzialas
On the Optimal Processor Assignment for Computing the Steady State Kalman Filter in Parallel and Distributed Systems. WorldCIST (3) (2017)
Maria G. Koziri, Panos K. Papadopoulos, Nikos Tziritas, Antonios N. Dadaliaris, Thanasis Loukopoulos, Georgios I. Stamoulis
On planning the adoption of new video standards in social media networks: a general framework and its application to HEVC. Soc. Netw. Anal. Min. 7 (1) (2017)
Nikos Tziritas, Maria G. Koziri, Areti Bachtsevani, Thanasis Loukopoulos, George I. Stamoulis, Samee U. Khan, Cheng-Zhong Xu
Data Replication and Virtual Machine Migrations to Mitigate Network Overhead in Edge Computing Systems. IEEE Trans. Sustain. Comput. 2 (4) (2017)
Panos K. Papadopoulos, Nikolaos C. Zygouris, Maria G. Koziri, Thanasis Loukopoulos, Georgios I. Stamoulis
Mobivoke: A Mobile System Architecture to Support off School Collaborative Learning Process. IMCL (2017)
Tahir Maqsood, Nikos Tziritas, Thanasis Loukopoulos, Sajjad Ahmad Madani, Samee U. Khan, Cheng-Zhong Xu
Leveraging on Deep Memory Hierarchies to Minimize Energy Consumption and Data Access Latency on Single-Chip Cloud Computers. IEEE Trans. Sustain. Comput. 2 (2) (2017)
Nikos Tziritas, Thanasis Loukopoulos, Samee U. Khan, Cheng-Zhong Xu, Albert Y. Zomaya
On Improving Constrained Single and Group Operator Placement Using Evictions in Big Data Environments. IEEE Trans. Serv. Comput. 9 (5) (2016)
Maria G. Koziri, Panos Papadopoulos, Nikos Tziritas, Antonios N. Dadaliaris, Thanasis Loukopoulos, Samee U. Khan
Slice-based parallelization in HEVC encoding: Realizing the potential through efficient load balancing. MMSP (2016)
Antonios N. Dadaliaris, Evangelia Nerantzaki, Maria G. Koziri, Panagiotis Oikonomou, Thanasis Loukopoulos, Georgios I. Stamoulis
Performance Evaluation of Tetris-based Legalization Heuristics. PCI (2016)
Panos Papadopoulos, Maria G. Koziri, Nikolaos Tziritas, Thanasis Loukopoulos, Ioannis Anagnostopoulos, Georgios I. Stamoulis
Performance Evaluation of Batch Encodings in HEVC Using Slice Level Parallelism. PCI (2016)
Maria G. Koziri, Panos K. Papadopoulos, Nikos Tziritas, Antonios N. Dadaliaris, Thanasis Loukopoulos, Samee U. Khan, Cheng-Zhong Xu
Adaptive Tile Parallelization for Fast Video Encoding in HEVC. iThings/GreenCom/CPSCom/SmartData (2016)
Maria G. Koziri, Panos Papadopoulos, Nikos Tziritas, Antonios N. Dadaliaris, Thanasis Loukopoulos, Georgios I. Stamoulis
A framework for scheduling the encoding of multiple smart user videos. SMAP (2016)
Panos Papadopoulos, Thanasis Loukopoulos, Ioannis Anagnostopoulos, Nikolaos Tziritas, Michael Vassilakopoulos
RAC: a remote application calling framework for coordination of mobile apps. Panhellenic Conference on Informatics (2015)
Nikos Tziritas, Thanasis Loukopoulos, Spyros Lalis, Samee Ullah Khan, Cheng-Zhong Xu
Coordination Strategies for Agent Migrations in Wireless Sensor Networks. ICPADS (2015)
Nikos Tziritas, Thanasis Loukopoulos, Samee U. Khan, Cheng-Zhong Xu
Distributed Algorithms for the Operator Placement Problem. IEEE Trans. Comput. Soc. Syst. 2 (4) (2015)
George Roumelis, Michael Vassilakopoulos, Thanasis Loukopoulos, Antonio Corral, Yannis Manolopoulos
The xBR ^+ -tree: An Efficient Access Method for Points. DEXA (1) (2015)
Panagiotis Oikonomou, Thanasis Loukopoulos, Antonios N. Dadaliaris, Maria G. Koziri, Georgios I. Stamoulis
On formulating and tackling integrated circuit placement as a scheduling problem. Panhellenic Conference on Informatics (2015)
Nikos Tziritas, Samee Ullah Khan, Thanasis Loukopoulos, Spyros Lalis, Cheng-Zhong Xu, Petros Lampsas
Single and Group Agent Migration: Algorithms, Bounds, and Optimality Issues. IEEE Trans. Computers 63 (12) (2014)
George Roumelis, Thanasis Loukopoulos, Michael Vassilakopoulos
Database Design of a Geo-environmental Information System . ICEIS (2) (2014)
Muhammad Bilal Qureshi, Maryam Mehri Dehnavi, Nasro Min-Allah, Muhammad Shuaib Qureshi, Hameed Hussain, Ilias Rentifis, Nikos Tziritas, Thanasis Loukopoulos, Samee Ullah Khan, Cheng-Zhong Xu, Albert Y. Zomaya
Survey on Grid Resource Allocation Mechanisms. J. Grid Comput. 12 (2) (2014)
Nikos Tziritas, Cheng-Zhong Xu, Thanasis Loukopoulos, Samee Ullah Khan, Zhibin Yu
Application-Aware Workload Consolidation to Minimize Both Energy Consumption and Network Load in Cloud Environments. ICPP (2013)
Nikos Tziritas, Spyros Lalis, Samee Ullah Khan, Thanasis Loukopoulos, Cheng-Zhong Xu, Petros Lampsas
Distributed Online Algorithms for the Agent Migration Problem in WSNs. Mob. Networks Appl. 18 (5) (2013)
Nikos Tziritas, Samee Ullah Khan, Cheng-Zhong Xu, Thanasis Loukopoulos, Spyros Lalis
On minimizing the resource consumption of cloud applications using process migrations. J. Parallel Distributed Comput. 73 (12) (2013)
Ilias Rentifis, Nikos Tziritas, Petros Lampsas, Spyros Lalis, Thanasis Loukopoulos
Improving Application Availability in Wireless Sensor Networks with Energy-Harvesting Capability. PDCAT (2012)
Nikos Tziritas, Giorgis Georgakoudis, Spyros Lalis, Tomasz Paczesny, Jaroslaw Domaszewicz, Petros Lampsas, Thanasis Loukopoulos
Middleware Mechanisms for Agent Mobility in Wireless Sensor and Actuator Networks. S-CUBE (2012)
Nikos Tziritas, Petros Lampsas, Spyros Lalis, Thanasis Loukopoulos, Samee Ullah Khan, Cheng-Zhong Xu
Introducing Agent Evictions to Improve Application Placement in Wireless Distributed Systems. ICPP (2012)
Nikos Tziritas, Thanasis Loukopoulos, Spyros Lalis, Petros Lampsas
Algorithms for energy-driven agent placement in wireless embedded systems with memory constraints. Simul. Model. Pract. Theory 19 (6) (2011)
Nikos Tziritas, Thanasis Loukopoulos, Spyros Lalis, Petros Lampsas
GRAL: A Grouping Algorithm to Optimize Application Placement in Wireless Embedded Systems. IPDPS (2011)
Nikos Tziritas, Thanasis Loukopoulos, Spyros Lalis, Petros Lampsas
On Deploying Tree Structured Agent Applications in Networked Embedded Systems. Euro-Par (2) (2010)
Nikos Tziritas, Thanasis Loukopoulos, Spyros Lalis, Petros Lampsas
Agent placement in wireless embedded systems: Memory space and energy optimizations. IPDPS Workshops (2010)
Masud Al Aziz, Samee Ullah Khan, Thanasis Loukopoulos, Pascal Bouvry, Hongxiang Li, Juan Li
An overview of achieving energy efficiency in on-chip networks. Int. J. Commun. Networks Distributed Syst. 5 (4) (2010)
Nikos Tziritas, Thanasis Loukopoulos, Petros Lampsas, Spyros Lalis
Using Multicast Transfers in the Replica Migration Problem: Formulation and Scheduling Heuristics. Euro-Par (2009)
Nikos Tziritas, Thanasis Loukopoulos, Petros Lampsas, Spyros Lalis
Formal Model and Scheduling Heuristics for the Replica Migration Problem. Euro-Par (2008)
Thanasis Loukopoulos, Petros Lampsas, Panos Sigalas
Improved Genetic Algorithms and List Scheduling Techniques for Independent Task Scheduling in Distributed Systems. PDCAT (2007)
Thanasis Loukopoulos, Nikos Tziritas, Petros Lampsas, Spyros Lalis
Implementing Replica Placements: Feasibility and Cost Minimization. IPDPS (2007)
Thanasis Loukopoulos, Ishfaq Ahmad
Policies for Caching OLAP Queries in Internet Proxies. IEEE Trans. Parallel Distributed Syst. 17 (10) (2006)
Petros Lampsas, Thanasis Loukopoulos, Fedon Dimopoulos, Marouso Athanasiou
Scheduling Independent Tasks in Heterogeneous Environments under Communication Constraints. PDCAT (2006)
Thanasis Loukopoulos, Petros Lampsas, Ishfaq Ahmad
Continuous Replica Placement schemes in distributed systems. ICS (2005)
Spiridon Bakiras, Thanasis Loukopoulos
Combining replica placement and caching techniques in content distribution networks. Comput. Commun. 28 (9) (2005)
Spiridon Bakiras, Thanasis Loukopoulos, Dimitris Papadias, Ishfaq Ahmad
Adaptive schemes for distributed web caching. J. Parallel Distributed Comput. 65 (12) (2005)
Spiridon Bakiras, Thanasis Loukopoulos
Increasing the Performance of CDNs Using Replication and Caching: A Hybrid Approach. IPDPS (2005)
Thanasis Loukopoulos, Ishfaq Ahmad
Static and adaptive distributed data replication using genetic algorithms. J. Parallel Distributed Comput. 64 (11) (2004)
Thanasis Loukopoulos, Ishfaq Ahmad
Optimizing Download Time of Embedded Multimedia Objects for Web Browsing. IEEE Trans. Parallel Distributed Syst. 15 (10) (2004)
Spiridon Bakiras, Panos Kalnis, Thanasis Loukopoulos, Wee Siong Ng
A General Framework for Searching in Distributed Data Repositories. IPDPS (2003)
Spiridon Bakiras, Thanasis Loukopoulos, Ishfaq Ahmad
Dynamic Organization Schemes for Cooperative Proxy Cachin. IPDPS (2003)
Thanasis Loukopoulos, Dimitris Papadias, Ishfaq Ahmad
An Overview of Data Replication on the Internet. ISPAN (2002)
Thanasis Loukopoulos, Panos Kalnis, Ishfaq Ahmad, Dimitris Papadias
Active Caching of On-Line-Analytical-Processing Queries in WWW Proxies. ICPP (2001)
Thanasis Loukopoulos, Ishfaq Ahmad
Replicating the Contents of a WWW Multimedia Repository to Minimize Download Time. IPDPS (2000)
Thanasis Loukopoulos, Ishfaq Ahmad
Static and Adaptive Data Replication Algorithms for Fast Information Access in Large Distributed Systems. ICDCS (2000)