Nikos Giatrakos

49 papers A* 3A 4B 6C 1Journal 18Unranked 15
YearRankTypeTitle / Venue / Authors
2026 J jnl
SaaMS: The synopses-as-a-microservice paradigm for scalable adaptive streaming analytics across the cloud to edge continuum.
Inf. Syst.
Georgios Panagiotis Kalfakis, Nikos Giatrakos
2025 J jnl
APEROL: Adaptive Parallel Edge-to-Cloud Runtime Optimization for Layered Workflow Execution.
Proc. VLDB Endow.
Dimitrios Banelas, Alkis Simitsis, Nikos Giatrakos
2025 A* conf
DAG*: A Novel A*-Alike Algorithm for Optimal Workflow Execution Across IoT Platforms.
ICDE
Errikos Streviniotis, Dimitrios Banelas, Nikos Giatrakos, Antonios Deligiannakis
2025 J jnl
NeuroFlinkCEP: Neurosymbolic Complex Event Recognition Optimized across IoT Platforms.
Proc. VLDB Endow.
Ourania Ntouni, Dimitrios Banelas, Nikos Giatrakos
2025 J jnl
RATS: A resource allocator for optimizing the execution of tumor simulations over HPC infrastructures.
Inf. Syst.
Errikos Streviniotis, Nikos Giatrakos, Yannis Kotidis, Thaleia Ntiniakou, Miguel Ponce de Leon
2025 — conf
Run-Time Adaptation of Complex Event Forecasting.
DEBS
Manolis Pitsikalis, Elias Alevizos, Nikos Giatrakos, Alexander Artikis
2025 A* conf
SuBiTO: Synopsis-based Training Optimization for Continuous Real-Time Neural Learning over Big Streaming Data.
AAAI
Errikos Streviniotis, George Klioumis, Nikos Giatrakos
2025 — conf
Towards Run-Time Adaptation of Complex Event Forecasting.
EDBT/ICDT Workshops
Manolis Pitsikalis, Elias Alevizos, Nikos Giatrakos, Alexander Artikis
2024 B conf
A Novel Reverse Random Hyperplane Projection Scheme and Its Effect on Mining Sensor Streams.
IEEE Big Data
Antonios Skevis, George Klioumis, Nikos Giatrakos
2024 B conf
Data-driven Synchronization Protocols for Data-parallel Neural Learning over Streaming Data.
IEEE Big Data
George Klioumis, Nikos Giatrakos
2023 J jnl
And synopses for all: A synopses data engine for extreme scale analytics-as-a-service.
Inf. Syst.
Antonios Kontaxakis, Nikos Giatrakos, Dimitris Sacharidis, Antonios Deligiannakis
2023 B conf
Optimizing Resource Allocation for Tumor Simulations over HPC Infrastructures.
DSAA
Errikos Streviniotis, Nikos Giatrakos, Yannis Kotidis, Thaleia Ntiniakou, Miguel Ponce de Leon
2023 A conf
Proactive Streaming Analytics at Scale: A Journey from the State-of-the-art to a Production Platform.
CIKM
Nikos Giatrakos, Elias Alevizos, Antonios Deligiannakis, Ralf Klinkenberg, Alexander Artikis
2023 C conf
SSTRESED: Scalable Semantic Trajectory Extraction for Simple Event Detection over Streaming Movement Data (Extended Abstract).
TIME
Nikos Giatrakos
2022 — conf
Optimizing complex event forecasting.
DEBS
Vasileios Stavropoulos, Elias Alevizos, Nikos Giatrakos, Alexander Artikis
2022 — ch.
Processing Big Data in Motion: Core Components and System Architectures with Applications to the Maritime Domain.
Technologies and Applications for Big Data Value
Nikos Giatrakos, Antonios Deligiannakis, Konstantina Bereta, Marios Vodas, Dimitris Zissis, Elias Alevizos, Charilaos Akasiadis, Alexander Artikis
2022 B conf
SheerMP: Optimized Streaming Analytics-as-a-Service over Multi-site and Multi-platform Settings.
EDBT
George Stamatakis, Antonis Kontaxakis, Alkis Simitsis, Nikos Giatrakos, Antonios Deligiannakis
2021 A conf
EasyFlinkCEP: Big Event Data Analytics for Everyone.
CIKM
Nikos Giatrakos, Eleni Kougioumtzi, Antonios Kontaxakis, Antonios Deligiannakis, Yannis Kotidis
2021 — conf
Extreme-Scale Interactive Cross-Platform Streaming Analytics - The INFORE Approach.
SEA-Data@VLDB
Antonios Deligiannakis, Nikos Giatrakos, Yannis Kotidis, Vasilis Samoladas, Alkis Simitsis
2021 — conf
Online Distributed Maritime Event Detection & Forecasting over Big Vessel Tracking Data.
IEEE BigData
Marios Vodas, Konstantina Bereta, Dimitris Kladis, Dimitris Zissis, Elias Alevizos, Emmanouil Ntoulias, Alexander Artikis, Antonios Deligiannakis, Antonios Kontaxakis, Nikos Giatrakos, David Arnu, Edwin Yaqub, Fabian Temme, Mate Torok, Ralf Klinkenberg
2020 A conf
A Synopses Data Engine for Interactive Extreme-Scale Analytics.
CIKM
Antonis Kontaxakis, Nikos Giatrakos, Antonios Deligiannakis
2020 J jnl
A Synopses Data Engine for Interactive Extreme-Scale Analytics.
CoRR
Antonis Kontaxakis, Nikos Giatrakos, Antonios Deligiannakis
2020 J jnl
Complex event recognition in the Big Data era: a survey.
VLDB J.
Nikos Giatrakos, Elias Alevizos, Alexander Artikis, Antonios Deligiannakis, Minos N. Garofalakis
2020 A conf
INforE: Interactive Cross-platform Analytics for Everyone.
CIKM
Nikos Giatrakos, David Arnu, Theodoros Bitsakis, Antonios Deligiannakis, Minos N. Garofalakis, Ralf Klinkenberg, Aris Konidaris, Antonis Kontaxakis, Yannis Kotidis, Vasilis Samoladas, Alkis Simitsis, George Stamatakis, Fabian Temme, Mate Torok, Edwin Yaqub, Arnau Montagud, Miguel Ponce de Leon, Holger Arndt, Stefan Burkard
2020 J jnl
Network-wide complex event processing over geographically distributed data sources.
Inf. Syst.
Ioannis Flouris, Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis
2020 J jnl
Omnibus outlier detection in sensor networks using windowed locality sensitive hashing.
Future Gener. Comput. Syst.
Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Yannis Kotidis
2019 J jnl
Interactive Extreme: Scale Analytics Towards Battling Cancer.
IEEE Technol. Soc. Mag.
Nikos Giatrakos, Nikos Katzouris, Antonios Deligiannakis, Alexander Artikis, Minos N. Garofalakis, George Paliouras, Holger Arndt, Raffaele Grasso, Ralf Klinkenberg, Miguel Ponce de Leon, Gian Gaetano Tartaglia, Alfonso Valencia, Dimitrios Zissis
2019 — conf
Uncertainty-Aware Event Analytics over Distributed Settings.
DEBS
Nikos Giatrakos, Alexander Artikis, Antonios Deligiannakis, Minos N. Garofalakis
2018 J jnl
Scalable approximate query tracking over highly distributed data streams with tunable accuracy guarantees.
Inf. Syst.
Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Daniel Keren, Vasilis Samoladas
2017 J jnl
Complex Event Recognition in the Big Data Era.
Proc. VLDB Endow.
Nikos Giatrakos, Alexander Artikis, Antonios Deligiannakis, Minos N. Garofalakis
2017 J jnl
Issues in complex event processing: Status and prospects in the Big Data era.
J. Syst. Softw.
Ioannis Flouris, Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Michael Kamp, Michael Mock
2016 — conf
Complex event processing over streaming multi-cloud platforms: the FERARI approach: demo.
DEBS
Ioannis Flouris, Vasiliki Manikaki, Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Michael Mock, Sebastian Bothe, Inna Skarbovsky, Fabiana Fournier, Marko Stajcer, Tomislav Krizan, Jonathan Yom-Tov, Marijo Volarevic
2016 — conf
FERARI: A Prototype for Complex Event Processing over Streaming Multi-cloud Platforms.
SIGMOD Conference
Ioannis Flouris, Vasiliki Manikaki, Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Michael Mock, Sebastian Bothe, Inna Skarbovsky, Fabiana Fournier, Marko Stajcer, Tomislav Krizan, Jonathan Yom-Tov, Taji Curin
2016 — conf
Scalable Approximate Query Tracking over Highly Distributed Data Streams.
SIGMOD Conference
Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis
2015 J jnl
HERMES: A Trajectory DB Engine for Mobility-Centric Applications.
Int. J. Knowl. Based Organ.
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Yannis Theodoridis
2015 — conf
Issues in Complex Event Processing Systems.
TrustCom/BigDataSE/ISPA (2)
Ioannis Flouris, Nikos Giatrakos, Minos N. Garofalakis, Antonios Deligiannakis
2014 J jnl
Distributed Geometric Query Monitoring Using Prediction Models.
ACM Trans. Database Syst.
Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Izchak Sharfman, Assaf Schuster
2014 J jnl
On the Support of Mobility in ORDBMS.
Int. J. Knowl. Based Organ.
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Yannis Theodoridis
2014 — conf
Towards a prototype medical system for devices vigilance and patient safety.
CICARE
Antonios Deligiannakis, Nikos Giatrakos, Nicolas Pallikarakis
2013 B conf
Cost Models for Nearest Neighbor Query Processing over Existentially Uncertain Spatial Data.
SSTD
Elias Frentzos, Nikos Pelekis, Nikos Giatrakos, Yannis Theodoridis
2013 J jnl
In-network approximate computation of outliers with quality guarantees.
Inf. Syst.
Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis
2012 — —
Monitoring and mining distributed data streams
Nikos Giatrakos
2012 — conf
Prediction-based geometric monitoring over distributed data streams.
SIGMOD Conference
Nikos Giatrakos, Antonios Deligiannakis, Minos N. Garofalakis, Izchak Sharfman, Assaf Schuster
2011 B conf
SeTraStream: Semantic-Aware Trajectory Construction over Streaming Movement Data.
SSTD
Zhixian Yan, Nikos Giatrakos, Vangelis Katsikaros, Nikos Pelekis, Yannis Theodoridis
2011 J jnl
Visual Mobility Analysis using T-Warehouse.
Int. J. Data Warehous. Min.
Alessandra Raffaetà, Luca Leonardi, Gerasimos Marketos, Gennady L. Andrienko, Natalia V. Andrienko, Elias Frentzos, Nikos Giatrakos, Salvatore Orlando, Nikos Pelekis, Alessandro Roncato, Claudio Silvestri
2010 — conf
PAO: power-efficient attribution of outliers in wireless sensor networks.
DMSN
Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis
2010 A* conf
T-Warehouse: Visual OLAP analysis on trajectory data.
ICDE
Luca Leonardi, Gerasimos Marketos, Elias Frentzos, Nikos Giatrakos, Salvatore Orlando, Nikos Pelekis, Alessandra Raffaetà, Alessandro Roncato, Claudio Silvestri, Yannis Theodoridis
2010 — conf
TACO: tunable approximate computation of outliers in wireless sensor networks.
SIGMOD Conference
Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis
2008 — conf
HERMES: aggregative LBS via a trajectory DB engine.
SIGMOD Conference
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Yannis Theodoridis