- Position: Assistant Professor
- Tel: +302821037399
- E-mail: ngiatrakos(at)tuc.gr
- Personal page: http://users.softnet.tuc.gr/~ngiatrakos/
- Office: Λ, 2nd Floor, 145Α-37.1
Nikos Giatrakos
As of Nov.2022, I am an Assistant Professor at the School of Electrical and Computer Engineering of the Technical University of Crete (Greece). I received the Diploma degree in Computer Science from the University of Piraeus (Greece) in 2006, the MSc degree in Information Systems from the Athens University of Economics and Business (Greece) in 2007, and the PhD degree in Computer Science from the University of Piraeus (Greece) in 2012. My research interests are in the broad area of Big Data Management algorithms, software architectures and systems including Big streaming Data & Real-Time Analytics, Distributed/Decentralized Big Data Processing, Federated Machine Learning, Edge-to-Cloud Big Data Management, Synopses for Massive Data/Approximate Query Processing, Complex Event Processing. I was a recipient of the Best Demo Award in ACM CIKM 2020. I have contributed as one of the key investigators in several recent EU projects.
Publications (click to toggle)
Publications of the member that have been associated with the laboratory. For a full list of publications, please refer to the person's personal page
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A. Deligiannakis, N. Giatrakos, Y. Kotidis, V. Samoladas, and A. Simitsis, “Extreme-scale interactive cross-platform streaming analytics - the INFORE approach,” in Proceedings of the 2nd Workshop on Search, Exploration, and Analysis in Heterogeneous Datastores (SEA-Data 2021), Copenhagen, Denmark, 2021, vol. 2929, pp. 7–13, 2021. https://ceur-ws.org/Vol-2929/paper2.pdf
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N. Giatrakos, E. Kougioumtzi, A. Kontaxakis, A. Deligiannakis and Y. Kotidis, “EasyFlinkCEP: big event data analytics for everyone,” in Proceedings of the 30th ACM International Conference on Information & Knowledge Management (CIKM 2021), virtual event, 2021, pp. 3029–3033, doi: 10.1145/3459637.3482094.
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I. Flouris, N. Giatrakos, A. Deligiannakis, and M. Garofalakis, “Network-wide complex event processing over geographically distributed data sources,” Inf. Syst., vol. 88, Feb. 2020, doi: 10.1016/j.is.2019.101442
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N. Giatrakos, D. Arnu, T. Bitsakis, A. Deligiannakis, M. Garofalakis, R. Klinkenberg, A. Konidaris, A. Kontaxakis, Y. Kotidis, V. Samoladas, A. Simitsis, G. Stamatakis, F. Temme, M. Torok, E. Yaqub, A. Montagud, M. Ponce De León, H. Arndt, and S. Burkard, “INforE: interactive cross-platform analytics for everyone,” in Proc. 29th ACM Int. Conf. Inf. Knowl. Manage. (CIKM 2020), virtual event, 2020, pp. 3389–3392, doi: 10.1145/3340531.3417435.
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N. Giatrakos, E. Alevizos, A. Artikis, A. Deligiannakis, and M. Garofalakis, “Complex event recognition in the Big Data era: a survey,” VLDB J., vol. 29, no. 1, pp. 313–352, Jan. 2020. doi: 10.1007/s00778-019-00557-w
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N. Giatrakos, A. Artikis, A. Deligiannakis and M. Garofalakis, "Uncertainty-aware event analytics over distributed settings," in 13th ACM International Conference on Distributed and Event-Based Systems, 2019, pp. 175-186. doi: 10.1145/3328905.3329763
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N. Giatrakos, N. Katzouris, A. Deligiannakis, A. Artikis, M. Garofalakis, G. Paliouras, H. Arndt, R. Grasso, R. Klinkenberg, M. Ponce De Leon, G.G. Tartaglia, A. Valencia and D. Zissis, "Interactive extreme-scale analytics: towards battling cancer," IEEE Technol. Soc. Mag., vol. 38, no. 2, Jun. 2019. doi: 10.1109/MTS.2019.2913071
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N. Giatrakos, A. Deligiannakis, M. Garofalakis and Y. Kotidis, "Omnibus outlier detection in sensor networks using windowed locality sensitive hashing," Future Gener. Comput. Syst., Apr. 2018. doi: 10.1016/j.future.2018.04.046
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N. Giatrakos, A. Deligiannakis, M. Garofalakis, D. Keren and V. Samoladas, "Scalable approximate query tracking over highly distributed data streams with tunable accuracy guarantees," Inf. Syst., vol. 76, pp. 59-87, Jul. 2018. doi: 10.1016/j.is.2018.05.001
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I. Flouris, N. Giatrakos, A. Deligiannakis, M. Garofalakis, M. Kamp and M. Mock, "Issues in complex event processing: status and prospects in the Big Data era," J. Syst. Software, vol. 127, pp. 217-236, May 2017. doi: 10.1016/j.jss.2016.06.011
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N. Giatrakos, A. Artikis, A. Deligiannakis and M. Garofalakis, "Complex event recognition in the big data era," in 43rd International Conference on Very Large Data Bases, 2017, pp. 1996-1999. doi: 10.14778/3137765.3137829
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I. Flouris, V. Manikaki, N. Giatrakos, A. Deligiannakis, M. Garofalakis, M. Mock, S. Bothe, I. Skarbovsky, F. Fournier, M. Štajcer, T. Križan, J. Yom-Tov and M. Volarevíc, "Demo: Complex event processing over streaming multi-cloud platforms - The FERARI approach," in ACM International Conference on Distributed and Event-based Systems, 2016, pp. 348-349. doi: 10.1145/2933267.2933289
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I. Flouris, V. Manikaki, N. Giatrakos, A. Deligiannakis, M. Garofalakis, M. Mock, S. Bothe, I. Skarbovsky, F. Fournier, M. Štajcer, T. Križan, J. Yom-Tov and T. Čurin, "FERARI: a prototype for complex event processing over streaming multi-cloud platforms," in ACM SIGMOD International Conference on Management of Data, 2016, pp. 2093-2096. doi : 10.1145/2882903.2899395
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N. Giatrakos, A. Deligiannakis and M. Garofalakis, "Scalable approximate query tracking over highly distributed data streams," in ACM SIGMOD International Conference on Management of Data, 2016, pp. 1497-1512. doi: 10.1145/2882903.2915225
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N. Giatrakos, A. Deligiannakis, M. Garofalakis, I. Sharfman and A. Schuster, "Distributed geometric query monitoring using prediction models," ACM Trans. Dat. Syst., vol. 39, no. 2, May 2014. doi:10.1145/2602137
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N. Giatrakos, Y. Kotidis, A. Deligiannakis, V. Vassalos and Y. Theodoridis, "In-network approximate computation of outliers with quality guarantees," Inform. Syst., vol. 38, no. 8, pp. 1285-1308, Nov. 2013. doi:10.1016/j.is.2011.08.005