Ioannis Konstantinou

Director
Associate Professor
CV (gr)    CV (en)

Teaching

  • PROGRAMMING III
  • OPERATING SYSTEMS
  • BIG DATA SYSTEMS
  • CLOUD COMPUTING

Research Interests

His research interests lie in the field of large scale distributed data management systems (Cloud Computing and Big-Data systems). He has co-authored more than 54 papers in top-tier peer-reviewed conferences and journals in the Database (i.e., SIGMOD, ICDE, IEEE BigData) and Systems (i.e, ACM SoCC, CCGRID, IEEE TPDS, etc.) domains with 1365 citations (h-index 20) according to Google Scholar. He is the recipient of one Best Paper Award (IEEE CCGRID 2013) and one Best Paper Award Nomination (IEEE CCGRID 2015) for his work on large scale distributed systems. He has served in the program committee of more than 19 prestigious conferences (ACM SIGMOD, IEEE/ACM CCgrid, ACM CIKM, CLOSER, etc.). He has worked in the proposal preparation, the technical coordination, the design and the development of numerous EU and GR funded research projects (E2Data, SELIS, CELAR, ARCOMEM, Modissense, CLARIN-El, StratusLab etc.).

Mini CV

Dr Ioannis Konstantinou is an Associate Professor in the Informatics and Telecommunications Department of the University of Thessaly where he regularly teaches Operating Systems and Programming courses. He is also a senior researcher at the Computing Systems Laboratory of the National Technical University of Athens where he also teaches Advanced Topics In Databases. Ioannis Konstantinou currently serves as a Member of the Board of Directors of KTP SA.
He received his Diploma in Electrical and Computer Engineering from National Techinical University of Athens (NTUA) in 2004, his M.Sc. in Techno-Economic Systems from NTUA in 2007 and his PhD from NTUA in 2011.

Publications

58 entries « 1 of 2 »

2024

Chalvantzis, Nikolaos; Vontzalidis, Aristotelis; Kassela, Evdokia; Spyrou, Aris; Nikitas, Nikolaos; Provatas, Nikodimos; Konstantinou, Ioannis; Koziris, Nectarios

IW-NET BDA: A Big Data Infrastructure for Predictive and Geotemporal Analytics of Inland Waterways Journal Article

IEEE Access, 2024, (Publisher: IEEE).

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Spyrou, Aris; Konstantinou, Ioannis; Koziris, Nectarios

A Decision Support System for Automated Configuration of Cloud Native ML Pipelines Inproceedings

2024 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops), pp. 215–220, IEEE, 2024.

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2023

Chrysopoulos, Miltiadis; Konstantinou, Ioannis; Koziris, Nectarios

Deep reinforcement learning in cloud elasticity through offline learning and return based scaling Inproceedings

2023 IEEE 16th International Conference on Cloud Computing (CLOUD), pp. 13–23, IEEE, 2023.

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2021

Nikitas, Nikolaos; Konstantinou, Ioannis; Kalogeraki, Vana; Koziris, Nectarios

Cherry: A distributed task-aware shuffle service for serverless analytics Inproceedings

2021 IEEE International Conference on Big Data (Big Data), pp. 120–130, IEEE, 2021.

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Provatas, Nikodimos; Konstantinou, Ioannis; Koziris, Nectarios

Is Systematic Data Sharding able to Stabilize Asynchronous Parameter Server Training? Inproceedings

2021 IEEE International Conference on Big Data (Big Data), pp. 1092–1101, IEEE, 2021.

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Krisilias, Andreas; Provatas, Nikodimos; Koziris, Nectarios; Konstantinou, Ioannis

A performance evaluation of distributed deep learning frameworks on CPU clusters using image classification workloads Inproceedings

2021 IEEE International Conference on Big Data (Big Data), pp. 3085–3094, IEEE, 2021.

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Tsiourvas, Asterios; Bitsakos, Constantinos; Konstantinou, Ioannis; Fotakis, Dimitris; Koziris, Nectarios

A mechanism design and learning approach for revenue maximization on cloud dynamic spot markets Inproceedings

2021 IEEE 14th International Conference on Cloud Computing (CLOUD), pp. 427–432, IEEE, 2021.

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2020

Provatas, Nikodimos; Kassela, Evdokia; Chalvantzis, Nikolaos; Bakogiannis, Anastasios; Giannakopoulos, Ioannis; Koziris, Nectarios; Konstantinou, Ioannis

Selis bda: Big data analytics for the logistics domain Inproceedings

2020 IEEE International Conference on Big Data (Big Data), pp. 2416–2425, IEEE, 2020.

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2019

Kassela, Evdokia; Provatas, Nikodimos; Konstantinou, Ioannis; Floratou, Avrilia; Koziris, Nectarios

General-Purpose vs. Specialized Data Analytics Systems: A Game of ML & SQL Thrones Inproceedings

2019 IEEE International Conference on Big Data (Big Data), pp. 317–326, IEEE 2019.

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Kassela, Evdokia; Provatas, Nikodimos; Tsiourvas, Asterios; Konstantinou, Ioannis; Koziris, Nectarios

BigOptiBase: Big Data Analytics for Base Station Energy Consumption Optimization Inproceedings

2019 IEEE International Conference on Big Data (Big Data), pp. 6098–6100, IEEE 2019.

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Kassela, Evdokia; Konstantinou, Ioannis; Koziris, Nectarios

Towards a Multi-engine Query Optimizer for Complex SQL Queries on Big Data Inproceedings

2019 IEEE International Conference on Big Data (Big Data), pp. 6095–6097, IEEE 2019.

BibTeX

Fumero, J; Kotselidis, C; Zakkak, F; Papadimitriou, M; Akrivopoulos, O; Tselios, C; Kanakis, N; Doka, K; Konstantinou, I; Mytilinis, I; others,

Programming and Architecture Models Incollection

Heterogeneous Computing Architectures, pp. 53–87, CRC Press, 2019.

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Provatas, Nikodimos; Konstantinou, Ioannis; Koziris, Nectarios

Towards faster distributed deep learning using data hashing techniques Inproceedings

2019 IEEE International Conference on Big Data (Big Data), pp. 6189–6191, IEEE, 2019.

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2018

Giannakopoulos, Ioannis; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

Cloud application deployment with transient failure recovery Journal Article

Journal of Cloud Computing, 7 (1), pp. 1–20, 2018.

BibTeX

Naskos, Athanasios; Gounaris, Anastasios; Konstantinou, Ioannis

Elton: a cloud resource scaling-out manager for nosql databases Inproceedings

2018 IEEE 34th International Conference on Data Engineering (ICDE), pp. 1641–1644, IEEE 2018.

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Mytilinis, Ioannis; Bitsakos, Constantinos; Doka, Katerina; Konstantinou, Ioannis; Koziris, Nectarios

The vision of a heterogenerous scheduler Inproceedings

2018 IEEE International Conference on Cloud Computing Technology and Science (CloudCom), pp. 302–307, IEEE 2018.

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Bitsakos, Constantinos; Konstantinou, Ioannis; Koziris, Nectarios

DERP: A deep reinforcement learning cloud system for elastic resource provisioning Inproceedings

2018 IEEE International Conference on Cloud Computing Technology and Science (CloudCom), pp. 21–29, IEEE 2018.

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2017

Lolos, Konstantinos; Konstantinou, Ioannis; Kantere, Verena; Koziris, Nectarios

Elastic resource management with adaptive state space partitioning of Markov Decision Processes Journal Article

arXiv preprint arXiv:1702.02978, 2017.

BibTeX

Giannakopoulos, Ioannis; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

Aura: Recovering from transient failures in cloud deployments Inproceedings

2017 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID), pp. 762–765, IEEE 2017.

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Lolos, Konstantinos; Konstantinou, Ioannis; Kantere, Verena; Koziris, Nectarios

Adaptive state space partitioning of markov decision processes for elastic resource management Inproceedings

2017 IEEE 33rd International Conference on Data Engineering (ICDE), pp. 191–194, IEEE 2017.

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Chalvantzis, Nikolaos; Konstantinou, Ioannis; Kozyris, Nektarios

BBQ: Elastic MapReduce over cloud platforms Inproceedings

2017 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID), pp. 766–771, IEEE 2017.

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Doka, Katerina; Mytilinis, Ioannis; Giannakopoulos, Ioannis; Konstantinou, Ioannis; Tsitsigkos, Dimitrios; Terrovitis, Manolis; Koziris, Nectarios

Exploiting Social Networking and Mobile Data for Crisis Detection and Management Inproceedings

International Conference on Information Systems for Crisis Response and Management in Mediterranean Countries, pp. 28–40, Springer, Cham 2017.

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Lolos, Konstantinos; Konstantinou, Ioannis; Kantere, Verena; Koziris, Nectarios

Rethinking reinforcement learning for cloud elasticity Inproceedings

Proceedings of the 2017 Symposium on Cloud Computing, pp. 648–648, 2017.

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Doudali, Thaleia Dimitra; Konstantinou, Ioannis; Koziris, Nectarios

Spaten: A spatio-temporal and textual big data generator Inproceedings

2017 IEEE International Conference on Big Data (Big Data), pp. 3416–3421, IEEE 2017.

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Touloupas, Georgios; Konstantinou, Ioannis; Koziris, Nectarios

RASP: Real-time network analytics with distributed NoSQL stream processing Inproceedings

2017 IEEE International Conference on Big Data (Big Data), pp. 2414–2419, IEEE 2017.

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Lolos, Konstantinos; Konstantinou, Ioannis; Kantere, Verena; Koziris, Nectarios

Elastic management of cloud applications using adaptive reinforcement learning Inproceedings

2017 IEEE International Conference on Big Data (Big Data), pp. 203–212, IEEE 2017.

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2016

Copil, Georgiana; Moldovan, Daniel; Le, Hung Duc; Truong, Hong-Linh; Dustdar, Schahram; Sofokleous, Chrystalla; Loulloudes, Nicholas; Trihinas, Demetris; Pallis, George; Dikaiakos, Marios D; others,

On controlling elasticity of cloud applications in celar Incollection

Web-Based Services: Concepts, Methodologies, Tools, and Applications, pp. 1937–1967, IGI Global, 2016.

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Giannakopoulos, Ioannis; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

Recovering from cloud application deployment failures through re-execution Inproceedings

International Workshop of Algorithmic Aspects of Cloud Computing, pp. 117–130, Springer, Cham 2016.

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2015

Naskos, Athanasios; Stachtiari, Emmanouela; Gounaris, Anastasios; Katsaros, Panagiotis; Tsoumakos, Dimitrios; Konstantinou, Ioannis; Sioutas, Spyros

Dependable horizontal scaling based on probabilistic model checking Inproceedings

2015 15th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, pp. 31–40, IEEE 2015.

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Mytilinis, Ioannis; Giannakopoulos, Ioannis; Konstantinou, Ioannis; Doka, Katerina; Tsitsigkos, Dimitrios; Terrovitis, Manolis; Giampouras, Lampros; Koziris, Nectarios

Modissense: A distributed spatio-temporal and textual processing platform for social networking services Inproceedings

Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, pp. 895–900, 2015.

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Kassela, Evie; Konstantinou, Ioannis; Koziris, Nectarios

A generic architecture for scalable and highly available content serving applications in the cloud Inproceedings

2015 IEEE Fourth Symposium on Network Cloud Computing and Applications (NCCA), pp. 83–90, IEEE 2015.

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Sarlis, Dimitrios; Papailiou, Nikolaos; Konstantinou, Ioannis; Smaragdakis, Georgios; Koziris, Nectarios

Datix: A system for scalable network analytics Journal Article

ACM SIGCOMM Computer Communication Review, 45 (5), pp. 21–28, 2015.

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2014

Papailiou, Nikolaos; Tsoumakos, Dimitrios; Konstantinou, Ioannis; Karras, Panagiotis; Koziris, Nectarios

H2RDF+ an efficient data management system for big RDF graphs Inproceedings

Proceedings of the 2014 ACM SIGMOD international conference on Management of data, pp. 909–912, 2014.

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Papailiou, Nikolaos; Tsoumakos, Dimitrios; Konstantinou, Ioannis; Karras, Panagiotis; Koziris, Nectarios

Scalable Indexing and Adaptive Querying of RDF Data in the cloud Incollection

Proceedings of Semantic Web Information Management on Semantic Web Information Management, pp. 1–8, 2014.

BibTeX

Naskos, Athanasios; Stachtiari, Emmanouela; Gounaris, Anastasios; Katsaros, Panagiotis; Tsoumakos, Dimitrios; Konstantinou, Ioannis; Sioutas, Spyros

Cloud elasticity using probabilistic model checking Journal Article

arXiv preprint arXiv:1405.4699, 2014.

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Giannakopoulos, Ioannis; Papailiou, Nikolaos; Mantas, Christos; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

Celar: automated application elasticity platform Inproceedings

2014 IEEE International Conference on Big Data (Big Data), pp. 23–25, IEEE 2014.

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Kassela, Evie; Boumpouka, Christina; Konstantinou, Ioannis; Koziris, Nectarios

Automated workload-aware elasticity of NoSQL clusters in the cloud Inproceedings

2014 IEEE International Conference on Big Data (Big Data), pp. 195–200, IEEE 2014.

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Mytilinis, Ioannis; Giannakopoulos, Ioannis; Konstantinou, Ioannis; Doka, Katerina; Koziris, Nectarios

MoDisSENSE: A distributed platform for social networking services over mobile devices Inproceedings

2014 IEEE International Conference on Big Data (Big Data), pp. 49–51, IEEE 2014.

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2013

Konstantinou, Ioannis; Kantere, Verena; Tsoumakos, Dimitrios; Koziris, Nectarios

COCCUS: self-configured cost-based query services in the cloud Inproceedings

Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data, pp. 1041–1044, 2013.

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Konstantinou, Ioannis; Tsoumakos, Dimitrios; Mytilinis, Ioannis; Koziris, Nectarios

DBalancer: distributed load balancing for NoSQL data-stores Inproceedings

Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data, pp. 1037–1040, 2013.

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Papailiou, Nikolaos; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Karras, Panagiotis; Koziris, Nectarios

H 2 RDF+: High-performance distributed joins over large-scale RDF graphs Inproceedings

2013 IEEE International Conference on Big Data, pp. 255–263, IEEE 2013.

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Tsoumakos, Dimitrios; Konstantinou, Ioannis; Boumpouka, Christina; Sioutas, Spyros; Koziris, Nectarios

Automated, elastic resource provisioning for nosql clusters using tiramola Inproceedings

2013 13th IEEE/ACM International Symposium on Cluster, Cloud, and Grid Computing, pp. 34–41, IEEE 2013.

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2012

Papailiou, Nikolaos; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

H2RDF: adaptive query processing on RDF data in the cloud. Inproceedings

Proceedings of the 21st International Conference on World Wide Web, pp. 397–400, 2012.

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Konstantinou, Ioannis; Angelou, Evangelos; Tsoumakos, Dimitrios; Boumpouka, Christina; Koziris, Nectarios; Sioutas, Spyros

Tiramola: elastic nosql provisioning through a cloud management platform Inproceedings

Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data, pp. 725–728, 2012.

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Konstantinou, Ioannis; Floros, Evangelos; Koziris, Nectarios

Public vs private cloud usage costs: the stratuslab case Inproceedings

Proceedings of the 2nd international workshop on cloud computing platforms, pp. 1–6, 2012.

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Angelou, Evangelos; Papailiou, Nikolaos; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

Automatic scaling of selective SPARQL joins using the TIRAMOLA system Inproceedings

Proceedings of the 4th International Workshop on Semantic Web Information Management, pp. 1–8, 2012.

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Antonopoulos, Panagiotis; Konstantinou, Ioannis; Tsoumakos, Dimitrios; Koziris, Nectarios

Efficient Updates for Web-Scale Indexes over the Cloud Inproceedings

2012 IEEE 28th International Conference on Data Engineering Workshops, pp. 135–142, IEEE 2012.

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Preuß, Susanne; Keffer, Hajo; Schmidt, Paul; Goumas, Georgios; Asiki, Athanasia; Konstantinou, Ioannis

User Adaptation in a Hybrid MT System Inproceedings

International Conference on Text, Speech and Dialogue, pp. 362–369, Springer, Berlin, Heidelberg 2012.

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2011

Konstantinou, Ioannis; Angelou, Evangelos; Boumpouka, Christina; Tsoumakos, Dimitrios; Koziris, Nectarios

On the elasticity of NoSQL databases over cloud management platforms Inproceedings

Proceedings of the 20th ACM international conference on Information and knowledge management, pp. 2385–2388, 2011.

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2010

Konstantinou, Ioannis; Angelou, Evangelos; Tsoumakos, Dimitrios; Koziris, Nectarios

Distributed indexing of web scale datasets for the cloud Inproceedings

Proceedings of the 2010 Workshop on Massive Data Analytics on the Cloud, pp. 1–6, 2010.

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58 entries « 1 of 2 »