Sophia Karagiorgou

According to our database, Sophia Karagiorgou authored at least 28 papers between 2009 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Privacy-preserving Data Federation for Trainable, Queryable and Actionable Data.

Stavroula Iatropoulou, Theodora Anastasiou, Sophia Karagiorgou, Petros Petrou, Dimitrios Alexandrou, Thanassis D. Bouras

Proceedings of the 39th IEEE International Conference on Data Engineering, ICDE 2023, 2023

MobiSpaces: An Architecture for Energy-Efficient Data Spaces for Mobility Data.

Christos Doulkeridis, Georgios M. Santipantakis, Nikolaos Koutroumanis, George Makridis, Vasilis Koukos, George S. Theodoropoulos, Yannis Theodoridis, Dimosthenis Kyriazis, Pavlos Kranas, Diego Burgos, Ricardo Jiménez-Peris, Mariana M. G. Duarte, Mahmoud Attia Sakr, Esteban Zimányi, Anita Graser, Clemens Heistracher, Kristian Torp, Ioannis Chrysakis, Theofanis Orphanoudakis, Evgenia Kapassa, Marios Touloupou, Jürgen Neises, Petros Petrou, Sophia Karagiorgou, Rosario Catelli, Domenico Messina, Marcelo Corrales Compagnucci, Matteo Falsetta

Proceedings of the IEEE International Conference on Big Data, 2023

Harvesting Large Textual and Multimedia Data to Detect Illegal Activities on Dark Web Marketplaces.

Georgia Chatzimarkaki, Sophia Karagiorgou, Mariza Konidi, Dimitrios Alexandrou, Thanassis D. Bouras, Spyridon Evangelatos

Proceedings of the IEEE International Conference on Big Data, 2023

2022

Towards Robustifying Image Classifiers against the Perils of Adversarial Attacks on Artificial Intelligence Systems.

Theodora Anastasiou, Sophia Karagiorgou, Petros Petrou, Dimitrios Papamartzivanos, Thanassis Giannetsos, Georgia Tsirigotaki, Jelle Keizer

Sensors, 2022

2021

Weighted Load Balancing Mechanisms over Streaming Big Data for Online Machine Learning.

Petros Petrou, Sophia Karagiorgou, Dimitrios Alexandrou

Proceedings of the Workshops of the EDBT/ICDT 2021 Joint Conference, 2021

Towards Platform-Agnostic and Autonomous Orchestration of Big Data Services.

Stavroula Iatropoulou, Petros Petrou, Sophia Karagiorgou, Dimitrios Alexandrou

Proceedings of the Seventh IEEE International Conference on Big Data Computing Service and Applications, 2021

On Strengthening SMEs and MEs Threat Intelligence and Awareness by Identifying Data Breaches, Stolen Credentials and Illegal Activities on the Dark Web.

George Pantelis, Petros Petrou, Sophia Karagiorgou, Dimitrios Alexandrou

Proceedings of the ARES 2021: The 16th International Conference on Availability, 2021

2020

Converging HPC, Big Data and Cloud Technologies for Precision Agriculture Data Analytics on Supercomputers.

Yiannis Georgiou, Naweiluo Zhou, Li Zhong, Dennis Hoppe, Marcin Pospieszny, Nikela Papadopoulou, Kostis Nikas, Orestis Lagkas Nikolos, Pavlos Kranas, Sophia Karagiorgou, Eric Pascolo, Michael Mercier, Pedro Velho

Proceedings of the High Performance Computing, 2020

2019

Unveiling Trends and Predictions in Digital Factories.

Sophia Karagiorgou, Georgios Vafeiadis, Dimitrios Ntalaperas, Nikolaos Lykousas, Danae Vergeti, Dimitrios Alexandrou

Proceedings of the 15th International Conference on Distributed Computing in Sensor Systems, 2019

2018

FML-kNN: scalable machine learning on Big Data using <i>k</i>-nearest neighbor joins.

Georgios Chatzigeorgakidis, Sophia Karagiorgou, Spiros Athanasiou, Spiros Skiadopoulos

J. Big Data, 2018

Moving Objects Analytics: Survey on Future Location & Trajectory Prediction Methods.

Harris V. Georgiou, Sophia Karagiorgou, Yannis Kontoulis, Nikos Pelekis, Petros Petrou, David Scarlatti, Yannis Theodoridis

CoRR, 2018

An Ontology-Driven Elderly People Home Mobilization Approach.

Sophia Karagiorgou, Dimitrios Ntalaperas, Georgios Vafeiadis, Dimitrios Alexandrou, Konstantinos Perakis, Dimitrios Baltas, Claudiu Amza, Anna Wanka, Hermine Freitag, Marije Blok, Martin Kampel, Veerle de Rond, Thomas Münzer, Rainer Planinc

Proceedings of the Emerging Topics in Semantic Technologies, 2018

2017

Map Construction from GPS Data.

Sophia Karagiorgou

Proceedings of the Encyclopedia of GIS., 2017

A Layered Approach for More Robust Generation of Road Network Maps from Vehicle Tracking Data.

Sophia Karagiorgou, Dieter Pfoser, Dimitrios Skoutas

ACM Trans. Spatial Algorithms Syst., 2017

2015

Crowdsourcing urban form and function.

Andrew T. Crooks, Dieter Pfoser, Andrew Jenkins, Arie Croitoru, Anthony Stefanidis, Duncan Smith, Sophia Karagiorgou, Alexandros Efentakis, George Lamprianidis

Int. J. Geogr. Inf. Sci., 2015

A comparison and evaluation of map construction algorithms using vehicle tracking data.

Mahmuda Ahmed, Sophia Karagiorgou, Dieter Pfoser, Carola Wenk

GeoInformatica, 2015

A MapReduce based k-NN joins probabilistic classifier.

Georgios Chatzigeorgakidis, Sophia Karagiorgou, Spiros Athanasiou, Spiros Skiadopoulos

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

Map Construction Algorithms

Mahmuda Ahmed, Sophia Karagiorgou, Dieter Pfoser, Carola Wenk

Springer, ISBN: 978-3-319-25166-0, 2015

2014

Inference of transportation networks from sparse tracking data

Sofia Karagiorgou

PhD thesis, 2014

A Comparison and Evaluation of Map Construction Algorithms.

Mahmuda Ahmed, Sophia Karagiorgou, Dieter Pfoser, Carola Wenk

CoRR, 2014

Geosemantic Network-of-Interest Construction Using Social Media Data.

Sophia Karagiorgou, Dieter Pfoser, Dimitrios Skoutas

Proceedings of the Geographic Information Science - 8th International Conference, 2014

Experimenting With Polylines on the Visualization of Eye Tracking Data From Observations of Cartographic Lines.

Sophia Karagiorgou, Vassilios Krassanakis, Vassilios C. Vescoukis, Byron P. Nakos

Proceedings of the 2nd International Workshop on Eye Tracking for Spatial Research co-located with the 8th International Conference on Geographic Information Science, 2014

2013

Segmentation-based road network construction.

Sophia Karagiorgou, Dieter Pfoser, Dimitrios Skoutas

Proceedings of the 21st SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2013

2012

A service oriented architecture for decision support systems in environmental crisis management.

Vassilios C. Vescoukis, Nikolaos D. Doulamis, Sofia Karagiorgou

Future Gener. Comput. Syst., 2012

On vehicle tracking data-based road network generation.

Sophia Karagiorgou, Dieter Pfoser

Proceedings of the SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), 2012

2011

Supporting Service Differentiation in Wireless Sensor Networks.

Marie-Aurelie Nef, Sophia Karagiorgou, George I. Stamoulis, Panayotis Kikiras

Proceedings of the 15th Panhellenic Conference on Informatics, 2011

2010

Language-Independent Access to History Textbooks: Utilizing GIS Functionality with Spatiotemporal and Thematic Metadata.

Dieter Pfoser, Alexandros Efentakis, Thanasis Hadzilacos, Sophia Karagiorgou, Giorgos Vasiliou

Trans. GIS, 2010

2009

Providing Universal Access to History Textbooks: A Modified GIS Case.

Dieter Pfoser, Alexandros Efentakis, Thanasis Hadzilacos, Sophia Karagiorgou, Giorgos Vasiliou

Proceedings of the Web and Wireless Geographical Information Systems, 2009