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
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). @article{chalvantzis_iw-net_2024, title = {IW-NET BDA: A Big Data Infrastructure for Predictive and Geotemporal Analytics of Inland Waterways}, author = {Nikolaos Chalvantzis and Aristotelis Vontzalidis and Evdokia Kassela and Aris Spyrou and Nikolaos Nikitas and Nikodimos Provatas and Ioannis Konstantinou and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/10496108/}, year = {2024}, date = {2024-01-01}, urldate = {2024-12-18}, journal = {IEEE Access}, note = {Publisher: IEEE}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
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. @inproceedings{spyrou_decision_2024, title = {A Decision Support System for Automated Configuration of Cloud Native ML Pipelines}, author = {Aris Spyrou and Ioannis Konstantinou and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/10502870/}, year = {2024}, date = {2024-01-01}, urldate = {2024-12-18}, booktitle = {2024 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops)}, pages = {215–220}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{chrysopoulos_deep_2023, title = {Deep reinforcement learning in cloud elasticity through offline learning and return based scaling}, author = {Miltiadis Chrysopoulos and Ioannis Konstantinou and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/10255032/}, year = {2023}, date = {2023-01-01}, urldate = {2024-12-18}, booktitle = {2023 IEEE 16th International Conference on Cloud Computing (CLOUD)}, pages = {13–23}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{nikitas_cherry_2021, title = {Cherry: A distributed task-aware shuffle service for serverless analytics}, author = {Nikolaos Nikitas and Ioannis Konstantinou and Vana Kalogeraki and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/9671899/}, year = {2021}, date = {2021-01-01}, urldate = {2024-12-18}, booktitle = {2021 IEEE International Conference on Big Data (Big Data)}, pages = {120–130}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{provatas_is_2021, title = {Is Systematic Data Sharding able to Stabilize Asynchronous Parameter Server Training?}, author = {Nikodimos Provatas and Ioannis Konstantinou and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/9672001/}, year = {2021}, date = {2021-01-01}, urldate = {2024-12-18}, booktitle = {2021 IEEE International Conference on Big Data (Big Data)}, pages = {1092–1101}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{krisilias_performance_2021, title = {A performance evaluation of distributed deep learning frameworks on CPU clusters using image classification workloads}, author = {Andreas Krisilias and Nikodimos Provatas and Nectarios Koziris and Ioannis Konstantinou}, url = {https://ieeexplore.ieee.org/abstract/document/9671461/}, year = {2021}, date = {2021-01-01}, urldate = {2024-12-18}, booktitle = {2021 IEEE International Conference on Big Data (Big Data)}, pages = {3085–3094}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{tsiourvas_mechanism_2021, title = {A mechanism design and learning approach for revenue maximization on cloud dynamic spot markets}, author = {Asterios Tsiourvas and Constantinos Bitsakos and Ioannis Konstantinou and Dimitris Fotakis and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/9582209/}, year = {2021}, date = {2021-01-01}, urldate = {2024-12-18}, booktitle = {2021 IEEE 14th International Conference on Cloud Computing (CLOUD)}, pages = {427–432}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{provatas_selis_2020, title = {Selis bda: Big data analytics for the logistics domain}, author = {Nikodimos Provatas and Evdokia Kassela and Nikolaos Chalvantzis and Anastasios Bakogiannis and Ioannis Giannakopoulos and Nectarios Koziris and Ioannis Konstantinou}, url = {https://ieeexplore.ieee.org/abstract/document/9378421/}, year = {2020}, date = {2020-01-01}, urldate = {2024-12-18}, booktitle = {2020 IEEE International Conference on Big Data (Big Data)}, pages = {2416–2425}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{kassela2019general, title = {General-Purpose vs. Specialized Data Analytics Systems: A Game of ML & SQL Thrones}, author = {Evdokia Kassela and Nikodimos Provatas and Ioannis Konstantinou and Avrilia Floratou and Nectarios Koziris}, year = {2019}, date = {2019-01-01}, booktitle = {2019 IEEE International Conference on Big Data (Big Data)}, pages = {317–326}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{kassela2019bigoptibase, title = {BigOptiBase: Big Data Analytics for Base Station Energy Consumption Optimization}, author = {Evdokia Kassela and Nikodimos Provatas and Asterios Tsiourvas and Ioannis Konstantinou and Nectarios Koziris}, year = {2019}, date = {2019-01-01}, booktitle = {2019 IEEE International Conference on Big Data (Big Data)}, pages = {6098–6100}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{kassela2019towards, title = {Towards a Multi-engine Query Optimizer for Complex SQL Queries on Big Data}, author = {Evdokia Kassela and Ioannis Konstantinou and Nectarios Koziris}, year = {2019}, date = {2019-01-01}, booktitle = {2019 IEEE International Conference on Big Data (Big Data)}, pages = {6095–6097}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @incollection{fumero2019programming, title = {Programming and Architecture Models}, author = {J Fumero and C Kotselidis and F Zakkak and M Papadimitriou and O Akrivopoulos and C Tselios and N Kanakis and K Doka and I Konstantinou and I Mytilinis and others}, year = {2019}, date = {2019-01-01}, booktitle = {Heterogeneous Computing Architectures}, pages = {53–87}, publisher = {CRC Press}, keywords = {}, pubstate = {published}, tppubtype = {incollection} } |
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. @inproceedings{provatas_towards_2019, title = {Towards faster distributed deep learning using data hashing techniques}, author = {Nikodimos Provatas and Ioannis Konstantinou and Nectarios Koziris}, url = {https://ieeexplore.ieee.org/abstract/document/9006378/}, year = {2019}, date = {2019-01-01}, urldate = {2024-12-18}, booktitle = {2019 IEEE International Conference on Big Data (Big Data)}, pages = {6189–6191}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @article{giannakopoulos2018cloud, title = {Cloud application deployment with transient failure recovery}, author = {Ioannis Giannakopoulos and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2018}, date = {2018-01-01}, journal = {Journal of Cloud Computing}, volume = {7}, number = {1}, pages = {1–20}, publisher = {SpringerOpen}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
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. @inproceedings{naskos2018elton, title = {Elton: a cloud resource scaling-out manager for nosql databases}, author = {Athanasios Naskos and Anastasios Gounaris and Ioannis Konstantinou}, year = {2018}, date = {2018-01-01}, booktitle = {2018 IEEE 34th International Conference on Data Engineering (ICDE)}, pages = {1641–1644}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{mytilinis2018vision, title = {The vision of a heterogenerous scheduler}, author = {Ioannis Mytilinis and Constantinos Bitsakos and Katerina Doka and Ioannis Konstantinou and Nectarios Koziris}, year = {2018}, date = {2018-01-01}, booktitle = {2018 IEEE International Conference on Cloud Computing Technology and Science (CloudCom)}, pages = {302–307}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{bitsakos2018derp, title = {DERP: A deep reinforcement learning cloud system for elastic resource provisioning}, author = {Constantinos Bitsakos and Ioannis Konstantinou and Nectarios Koziris}, year = {2018}, date = {2018-01-01}, booktitle = {2018 IEEE International Conference on Cloud Computing Technology and Science (CloudCom)}, pages = {21–29}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @article{lolos2017elastic, title = {Elastic resource management with adaptive state space partitioning of Markov Decision Processes}, author = {Konstantinos Lolos and Ioannis Konstantinou and Verena Kantere and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, journal = {arXiv preprint arXiv:1702.02978}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
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. @inproceedings{giannakopoulos2017aura, title = {Aura: Recovering from transient failures in cloud deployments}, author = {Ioannis Giannakopoulos and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {2017 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID)}, pages = {762–765}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{lolos2017adaptive, title = {Adaptive state space partitioning of markov decision processes for elastic resource management}, author = {Konstantinos Lolos and Ioannis Konstantinou and Verena Kantere and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {2017 IEEE 33rd International Conference on Data Engineering (ICDE)}, pages = {191–194}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{chalvantzis2017bbq, title = {BBQ: Elastic MapReduce over cloud platforms}, author = {Nikolaos Chalvantzis and Ioannis Konstantinou and Nektarios Kozyris}, year = {2017}, date = {2017-01-01}, booktitle = {2017 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID)}, pages = {766–771}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{doka2017exploiting, title = {Exploiting Social Networking and Mobile Data for Crisis Detection and Management}, author = {Katerina Doka and Ioannis Mytilinis and Ioannis Giannakopoulos and Ioannis Konstantinou and Dimitrios Tsitsigkos and Manolis Terrovitis and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {International Conference on Information Systems for Crisis Response and Management in Mediterranean Countries}, pages = {28–40}, organization = {Springer, Cham}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{lolos2017rethinking, title = {Rethinking reinforcement learning for cloud elasticity}, author = {Konstantinos Lolos and Ioannis Konstantinou and Verena Kantere and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {Proceedings of the 2017 Symposium on Cloud Computing}, pages = {648–648}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{doudali2017spaten, title = {Spaten: A spatio-temporal and textual big data generator}, author = {Thaleia Dimitra Doudali and Ioannis Konstantinou and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {2017 IEEE International Conference on Big Data (Big Data)}, pages = {3416–3421}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{touloupas2017rasp, title = {RASP: Real-time network analytics with distributed NoSQL stream processing}, author = {Georgios Touloupas and Ioannis Konstantinou and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {2017 IEEE International Conference on Big Data (Big Data)}, pages = {2414–2419}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{lolos2017elasticb, title = {Elastic management of cloud applications using adaptive reinforcement learning}, author = {Konstantinos Lolos and Ioannis Konstantinou and Verena Kantere and Nectarios Koziris}, year = {2017}, date = {2017-01-01}, booktitle = {2017 IEEE International Conference on Big Data (Big Data)}, pages = {203–212}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @incollection{copil2016controlling, title = {On controlling elasticity of cloud applications in celar}, author = {Georgiana Copil and Daniel Moldovan and Hung Duc Le and Hong-Linh Truong and Schahram Dustdar and Chrystalla Sofokleous and Nicholas Loulloudes and Demetris Trihinas and George Pallis and Marios D Dikaiakos and others}, year = {2016}, date = {2016-01-01}, booktitle = {Web-Based Services: Concepts, Methodologies, Tools, and Applications}, pages = {1937–1967}, publisher = {IGI Global}, keywords = {}, pubstate = {published}, tppubtype = {incollection} } |
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. @inproceedings{giannakopoulos2016recovering, title = {Recovering from cloud application deployment failures through re-execution}, author = {Ioannis Giannakopoulos and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2016}, date = {2016-01-01}, booktitle = {International Workshop of Algorithmic Aspects of Cloud Computing}, pages = {117–130}, organization = {Springer, Cham}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{naskos2015dependable, title = {Dependable horizontal scaling based on probabilistic model checking}, author = {Athanasios Naskos and Emmanouela Stachtiari and Anastasios Gounaris and Panagiotis Katsaros and Dimitrios Tsoumakos and Ioannis Konstantinou and Spyros Sioutas}, year = {2015}, date = {2015-01-01}, booktitle = {2015 15th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing}, pages = {31–40}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{mytilinis2015modissense, title = {Modissense: A distributed spatio-temporal and textual processing platform for social networking services}, author = {Ioannis Mytilinis and Ioannis Giannakopoulos and Ioannis Konstantinou and Katerina Doka and Dimitrios Tsitsigkos and Manolis Terrovitis and Lampros Giampouras and Nectarios Koziris}, year = {2015}, date = {2015-01-01}, booktitle = {Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data}, pages = {895–900}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{kassela2015generic, title = {A generic architecture for scalable and highly available content serving applications in the cloud}, author = {Evie Kassela and Ioannis Konstantinou and Nectarios Koziris}, year = {2015}, date = {2015-01-01}, booktitle = {2015 IEEE Fourth Symposium on Network Cloud Computing and Applications (NCCA)}, pages = {83–90}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @article{sarlis2015datix, title = {Datix: A system for scalable network analytics}, author = {Dimitrios Sarlis and Nikolaos Papailiou and Ioannis Konstantinou and Georgios Smaragdakis and Nectarios Koziris}, year = {2015}, date = {2015-01-01}, journal = {ACM SIGCOMM Computer Communication Review}, volume = {45}, number = {5}, pages = {21–28}, publisher = {ACM}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
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. @inproceedings{papailiou2014h2rdf+, title = {H2RDF+ an efficient data management system for big RDF graphs}, author = {Nikolaos Papailiou and Dimitrios Tsoumakos and Ioannis Konstantinou and Panagiotis Karras and Nectarios Koziris}, year = {2014}, date = {2014-01-01}, booktitle = {Proceedings of the 2014 ACM SIGMOD international conference on Management of data}, pages = {909–912}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @incollection{papailiou2014scalable, title = {Scalable Indexing and Adaptive Querying of RDF Data in the cloud}, author = {Nikolaos Papailiou and Dimitrios Tsoumakos and Ioannis Konstantinou and Panagiotis Karras and Nectarios Koziris}, year = {2014}, date = {2014-01-01}, booktitle = {Proceedings of Semantic Web Information Management on Semantic Web Information Management}, pages = {1–8}, keywords = {}, pubstate = {published}, tppubtype = {incollection} } |
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. @article{naskos2014cloud, title = {Cloud elasticity using probabilistic model checking}, author = {Athanasios Naskos and Emmanouela Stachtiari and Anastasios Gounaris and Panagiotis Katsaros and Dimitrios Tsoumakos and Ioannis Konstantinou and Spyros Sioutas}, year = {2014}, date = {2014-01-01}, journal = {arXiv preprint arXiv:1405.4699}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
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. @inproceedings{giannakopoulos2014celar, title = {Celar: automated application elasticity platform}, author = {Ioannis Giannakopoulos and Nikolaos Papailiou and Christos Mantas and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2014}, date = {2014-01-01}, booktitle = {2014 IEEE International Conference on Big Data (Big Data)}, pages = {23–25}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{kassela2014automated, title = {Automated workload-aware elasticity of NoSQL clusters in the cloud}, author = {Evie Kassela and Christina Boumpouka and Ioannis Konstantinou and Nectarios Koziris}, year = {2014}, date = {2014-01-01}, booktitle = {2014 IEEE International Conference on Big Data (Big Data)}, pages = {195–200}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{mytilinis2014modissense, title = {MoDisSENSE: A distributed platform for social networking services over mobile devices}, author = {Ioannis Mytilinis and Ioannis Giannakopoulos and Ioannis Konstantinou and Katerina Doka and Nectarios Koziris}, year = {2014}, date = {2014-01-01}, booktitle = {2014 IEEE International Conference on Big Data (Big Data)}, pages = {49–51}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{konstantinou2013coccus, title = {COCCUS: self-configured cost-based query services in the cloud}, author = {Ioannis Konstantinou and Verena Kantere and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2013}, date = {2013-01-01}, booktitle = {Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data}, pages = {1041–1044}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{konstantinou2013dbalancer, title = {DBalancer: distributed load balancing for NoSQL data-stores}, author = {Ioannis Konstantinou and Dimitrios Tsoumakos and Ioannis Mytilinis and Nectarios Koziris}, year = {2013}, date = {2013-01-01}, booktitle = {Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data}, pages = {1037–1040}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{papailiou2013h, title = {H 2 RDF+: High-performance distributed joins over large-scale RDF graphs}, author = {Nikolaos Papailiou and Ioannis Konstantinou and Dimitrios Tsoumakos and Panagiotis Karras and Nectarios Koziris}, year = {2013}, date = {2013-01-01}, booktitle = {2013 IEEE International Conference on Big Data}, pages = {255–263}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{tsoumakos2013automated, title = {Automated, elastic resource provisioning for nosql clusters using tiramola}, author = {Dimitrios Tsoumakos and Ioannis Konstantinou and Christina Boumpouka and Spyros Sioutas and Nectarios Koziris}, year = {2013}, date = {2013-01-01}, booktitle = {2013 13th IEEE/ACM International Symposium on Cluster, Cloud, and Grid Computing}, pages = {34–41}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{papailiou2012h2rdf, title = {H2RDF: adaptive query processing on RDF data in the cloud.}, author = {Nikolaos Papailiou and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2012}, date = {2012-01-01}, booktitle = {Proceedings of the 21st International Conference on World Wide Web}, pages = {397–400}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{konstantinou2012tiramola, title = {Tiramola: elastic nosql provisioning through a cloud management platform}, author = {Ioannis Konstantinou and Evangelos Angelou and Dimitrios Tsoumakos and Christina Boumpouka and Nectarios Koziris and Spyros Sioutas}, year = {2012}, date = {2012-01-01}, booktitle = {Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data}, pages = {725–728}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{konstantinou2012public, title = {Public vs private cloud usage costs: the stratuslab case}, author = {Ioannis Konstantinou and Evangelos Floros and Nectarios Koziris}, year = {2012}, date = {2012-01-01}, booktitle = {Proceedings of the 2nd international workshop on cloud computing platforms}, pages = {1–6}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{angelou2012automatic, title = {Automatic scaling of selective SPARQL joins using the TIRAMOLA system}, author = {Evangelos Angelou and Nikolaos Papailiou and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2012}, date = {2012-01-01}, booktitle = {Proceedings of the 4th International Workshop on Semantic Web Information Management}, pages = {1–8}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{antonopoulos2012efficient, title = {Efficient Updates for Web-Scale Indexes over the Cloud}, author = {Panagiotis Antonopoulos and Ioannis Konstantinou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2012}, date = {2012-01-01}, booktitle = {2012 IEEE 28th International Conference on Data Engineering Workshops}, pages = {135–142}, organization = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{preuss2012user, title = {User Adaptation in a Hybrid MT System}, author = {Susanne Preuß and Hajo Keffer and Paul Schmidt and Georgios Goumas and Athanasia Asiki and Ioannis Konstantinou}, year = {2012}, date = {2012-01-01}, booktitle = {International Conference on Text, Speech and Dialogue}, pages = {362–369}, organization = {Springer, Berlin, Heidelberg}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{konstantinou2011elasticity, title = {On the elasticity of NoSQL databases over cloud management platforms}, author = {Ioannis Konstantinou and Evangelos Angelou and Christina Boumpouka and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2011}, date = {2011-01-01}, booktitle = {Proceedings of the 20th ACM international conference on Information and knowledge management}, pages = {2385–2388}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
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. @inproceedings{konstantinou2010distributed, title = {Distributed indexing of web scale datasets for the cloud}, author = {Ioannis Konstantinou and Evangelos Angelou and Dimitrios Tsoumakos and Nectarios Koziris}, year = {2010}, date = {2010-01-01}, booktitle = {Proceedings of the 2010 Workshop on Massive Data Analytics on the Cloud}, pages = {1–6}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |