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Nikos Giatrakos · SciRah

Researcher profile · Semantic Scholar

Nikos Giatrakos

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Nikos Giatrakos — researcher profile on SciRah

h-index: 15
Works: 47
Citations: 887

Most-cited papers

Complex event recognition in the Big Data era: a survey
Nikos Giatrakos, E. Alevizos, A. Artikis, Antonios Deligiannakis +1 more
2019The VLDB journal147 citations Open access
Semantic Scholar
Issues in complex event processing: Status and prospects in the Big Data era
Ioannis Flouris, Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis +2 more
2017Journal of Systems and Software125 citations
Semantic Scholar
HERMES: aggregative LBS via a trajectory DB engine
N. Pelekis, E. Frentzos, Nikos Giatrakos, Y. Theodoridis
2008SIGMOD Conference72 citations
Semantic Scholar
Prediction-based geometric monitoring over distributed data streams
Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis, I. Sharfman +1 more
2012SIGMOD Conference61 citations
Semantic Scholar
SeTraStream: Semantic-Aware Trajectory Construction over Streaming Movement Data
Zhixian Yan, Nikos Giatrakos, Vangelis Katsikaros, N. Pelekis +1 more
2011International Symposium on Spatial and Temporal Databases46 citations Open access
Semantic Scholar
Complex Event Recognition in the Big Data Era
Nikos Giatrakos, A. Artikis, Antonios Deligiannakis, M. Garofalakis
2017Proceedings of the VLDB Endowment43 citations
Semantic Scholar
T-Warehouse: Visual OLAP analysis on trajectory data
Luca Leonardi, Gerasimos Marketos, E. Frentzos, Nikos Giatrakos +6 more
2010IEEE International Conference on Data Engineering42 citations
Semantic Scholar
TACO: tunable approximate computation of outliers in wireless sensor networks
Nikos Giatrakos, Y. Kotidis, Antonios Deligiannakis, V. Vassalos +1 more
2010SIGMOD Conference36 citations
Semantic Scholar
HERMES: A Trajectory DB Engine for Mobility-Centric Applications
N. Pelekis, E. Frentzos, Nikos Giatrakos, Y. Theodoridis
2015Int. J. Knowl. Based Organ.29 citations
Semantic Scholar
Distributed Geometric Query Monitoring Using Prediction Models
Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis, I. Sharfman +1 more
2014ACM Transactions on Database Systems28 citations
Semantic Scholar
Visual Mobility Analysis using T-Warehouse
Alessandra Raffaetà, Luca Leonardi, Gerasimos Marketos, G. Andrienko +7 more
2011International Journal of Data Warehousing and Mining27 citations
Semantic Scholar
FERARI: A Prototype for Complex Event Processing over Streaming Multi-cloud Platforms
Ioannis Flouris, Vasiliki Manikaki, Nikos Giatrakos, Antonios Deligiannakis +9 more
2016SIGMOD Conference25 citations
Semantic Scholar
In-network approximate computation of outliers with quality guarantees
Nikos Giatrakos, Y. Kotidis, Antonios Deligiannakis, V. Vassalos +1 more
2013Information Systems25 citations Open access
Semantic Scholar
Network-wide complex event processing over geographically distributed data sources
Ioannis Flouris, Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis
2020Information Systems18 citations Open access
Semantic Scholar
A Synopses Data Engine for Interactive Extreme-Scale Analytics
Antonios Kontaxakis, Nikos Giatrakos, Antonios Deligiannakis
2020International Conference on Information and Knowledge Management15 citations Open access
Semantic Scholar
Future Generation Computer Systems
Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis, Y. Kotidis
14 citations
Semantic Scholar
Interactive Extreme: Scale Analytics Towards Battling Cancer
Nikos Giatrakos, Nikos Katzouris, Antonios Deligiannakis, A. Artikis +9 more
2019IEEE technology & society magazine12 citations Open access
Semantic Scholar
PAO: power-efficient attribution of outliers in wireless sensor networks
Nikos Giatrakos, Y. Kotidis, Antonios Deligiannakis
2010Data Management for Sensor Networks11 citations
Semantic Scholar
EasyFlinkCEP: Big Event Data Analytics for Everyone
Nikos Giatrakos, E. Kougioumtzi, Antonios Kontaxakis, Antonios Deligiannakis +1 more
2021International Conference on Information and Knowledge Management10 citations
Semantic Scholar
INforE: Interactive Cross-platform Analytics for Everyone
Nikos Giatrakos, David Arnu, T. Bitsakis, Antonios Deligiannakis +15 more
2020International Conference on Information and Knowledge Management10 citations Open access
Semantic Scholar
Scalable Approximate Query Tracking over Highly Distributed Data Streams
Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis
2016SIGMOD Conference9 citations
Semantic Scholar
Issues in Complex Event Processing Systems
Ioannis Flouris, Nikos Giatrakos, M. Garofalakis, Antonios Deligiannakis
20152015 IEEE Trustcom/BigDataSE/ISPA9 citations
Semantic Scholar
Scalable approximate query tracking over highly distributed data streams with tunable accuracy guarantees
Nikos Giatrakos, Antonios Deligiannakis, M. Garofalakis, Daniel Keren +1 more
2018Information Systems8 citations
Semantic Scholar
A Framework for Trajectory Data Warehousing
Gerasimos Marketos, E. Frentzos, Nikos Giatrakos, Irene Ntoutsi +3 more
20087 citations
Semantic Scholar
Optimizing complex event forecasting
Vasileios Stavropoulos, E. Alevizos, Nikos Giatrakos, A. Artikis
2022Distributed Event-Based Systems6 citations
Semantic Scholar
Online Distributed Maritime Event Detection & Forecasting over Big Vessel Tracking Data
M. Vodas, K. Bereta, Dimitris Kladis, D. Zissis +11 more
20212021 IEEE International Conference on Big Data (Big Data)6 citations
Semantic Scholar
Extreme-Scale Interactive Cross-Platform Streaming Analytics - The INFORE Approach
Antonios Deligiannakis, Nikos Giatrakos, Y. Kotidis, V. Samoladas +1 more
2021SEA-Data@VLDB6 citations
Semantic Scholar
SheerMP: Optimized Streaming Analytics-as-a-Service over Multi-site and Multi-platform Settings
G. Stamatakis, Antonis Kontaxakis, A. Simitsis, Nikos Giatrakos +1 more
2022International Conference on Extending Database Technology5 citations
Semantic Scholar
Complex event processing over streaming multi-cloud platforms: the FERARI approach: demo
Ioannis Flouris, Vasiliki Manikaki, Nikos Giatrakos, Antonios Deligiannakis +9 more
2016Distributed Event-Based Systems5 citations
Semantic Scholar
DAG*: A Novel A*-Alike Algorithm for Optimal Workflow Execution Across IoT Platforms
Errikos Streviniotis, Dimitrios Banelas, Nikos Giatrakos, Antonios Deligiannakis
2025IEEE International Conference on Data Engineering4 citations
Semantic Scholar
Proactive Streaming Analytics at Scale: A Journey from the State-of-the-art to a Production Platform
Nikos Giatrakos, E. Alevizos, Antonios Deligiannakis, Ralf Klinkenberg +1 more
2023International Conference on Information and Knowledge Management3 citations Open access
Semantic Scholar
And synopses for all: A synopses data engine for extreme scale analytics-as-a-service
Antonios Kontaxakis, Nikos Giatrakos, Dimitris Sacharidis, Antonios Deligiannakis
2023Information Systems3 citations Open access
Semantic Scholar
Processing Big Data in Motion: Core Components and System Architectures with Applications to the Maritime Domain
Nikos Giatrakos, Antonios Deligiannakis, K. Bereta, M. Vodas +4 more
2022Technologies and Applications for Big Data Value3 citations Open access
Semantic Scholar
Towards a prototype medical system for devices vigilance and patient safety
Antonios Deligiannakis, Nikos Giatrakos, N. Pallikarakis
2014IEEE Symposium on Computational Intelligence in Healthcare and e-health3 citations
Semantic Scholar
Cost Models for Nearest Neighbor Query Processing over Existentially Uncertain Spatial Data
E. Frentzos, N. Pelekis, Nikos Giatrakos, Y. Theodoridis
2013International Symposium on Spatial and Temporal Databases3 citations
Semantic Scholar
Optimizing Resource Allocation for Tumor Simulations over HPC Infrastructures
Errikos Streviniotis, Nikos Giatrakos, Y. Kotidis, Thaleia Ntiniakou +1 more
2023International Conference on Data Science and Advanced Analytics2 citations Open access
Semantic Scholar
Industry Paper: Uncertainty-Aware Event Analytics over Distributed Settings
Nikos Giatrakos
20192 citations
Semantic Scholar
Information Extraction, Matching and Reporting for Medical Devices Vigilance
Athanasios Anastasiou, Z. Bliznakov, Antonios Deligiannakis, Nikos Giatrakos +7 more
20152 citations
Semantic Scholar
On the Support of Mobility in ORDBMS
N. Pelekis, E. Frentzos, Nikos Giatrakos, Y. Theodoridis
2014Int. J. Knowl. Based Organ.2 citations
Semantic Scholar
Run-Time Adaptation of Complex Event Forecasting
Manolis Pitsikalis, E. Alevizos, Nikos Giatrakos, Alexander Artikis
2025Distributed Event-Based Systems1 citations Open access
Semantic Scholar
SaaMS: The synopses-as-a-microservice paradigm for scalable adaptive streaming analytics across the cloud to edge continuum
Georgios Panagiotis Kalfakis, Nikos Giatrakos
2025Information Systems1 citations Open access
Semantic Scholar
SSTRESED: Scalable Semantic Trajectory Extraction for Simple Event Detection over Streaming Movement Data (Extended Abstract)
Nikos Giatrakos
2023Time1 citations
Semantic Scholar
Towards Run-Time Adaptation of Complex Event Forecasting
Manolis Pitsikalis, E. Alevizos, Nikos Giatrakos, A. Artikis
2025EDBT/ICDT Workshops0 citations
Semantic Scholar
RATS: A resource allocator for optimizing the execution of tumor simulations over HPC infrastructures
Errikos Streviniotis, Nikos Giatrakos, Y. Kotidis, Thaleia Ntiniakou +1 more
2025Information Systems0 citations Open access
Semantic Scholar
Refined Architecture, Initial System Prototype and Design of Software Stacks
Ralf Klinkenberg, David Arnu, Edwin Yaqub, F. Temme +3 more
20200 citations
Semantic Scholar
ICT, STREP FERARI ICT-FP7-619491 Flexible Event pRocessing for big dAta aRchItectures Collaborative Project
Antonios Deligiannakis, Ioannis Flouris, M. Garofalakis, Nikos Giatrakos
20150 citations
Semantic Scholar
Monitoring and mining distributed data streams
Nikos Giatrakos
20120 citations
Semantic Scholar

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Antonios Deligiannakis×30
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M. Garofalakis×15
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Y. Theodoridis×9
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Y. Kotidis×9
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A. Artikis — researcher profile on SciRah

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E. Alevizos — researcher profile on SciRah

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Ioannis Flouris×6

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