IMSI Member:
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A Supervised Skyline-Based Algorithm for Spatial Entity Linkage. Suela Isaj, Vassilis Kaffes, Torben Bach Pedersen, Giorgos Giannopoulos. Published in Proceedings of the 25th International Conference on Extending Database Technology (EDBT), 29th March-1st April, 2022, ISBN 978-3-89318-085-7, 2022 Full text
YeSQL: You extend SQL with Rich and Highly Performant User-Defined Functions in Relational Databases. Yannis Foufoulas, Alkis Simitsis, Lefteris Stamatogiannakis, Yannis Ioannidis. PVLDB, 2022
YeSQL: Rich User-Defined Functions without the Overhead. Yannis Foufoulas, Alkis Simitsis, Yannis Ioannidis. PVLDB, 2022
SheerMP: Optimized Streaming Analytics-as-a-Service over Multi-site and Multi-platform Settings. George Stamatakis, Antonis Kontaxakis, Alkis Simitsis, Nikos Giatrakos, Antonios Deligiannakis. EDBT, 2022 Full text
Database Optimizers in the Era of Learning. Dimitris Tsesmelis, Alkis Simitsis. IEEE ICDE, 2022 Full text


Simplifying Impact Prediction for Scientific Articles. Thanasis Vergoulis, Ilias Kanellos, Giorgos Giannopoulos, Theodore Dalamagas. EDBT/ICDT Workshops 2021, 2021 Full text
Model-Agnostic Counterfactual Explanations of Recommendations. Vassilis Kaffes, Dimitris Sacharidis, Giorgos Giannopoulos. Proceedings of the 29th ACM Conference on User Modeling, Adaptation and Personalization. June 2021. Pages 280–285, 2021 Full text
A Machine Learning Methodology for Next Day Wildfire Prediction. Stella Girtsou, Alexis Apostolakis, Giorgos Giannopoulos, Charalampos Kontoes. Published in: 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021 Full text
A Deep Dive into Deep Learning Approaches for Text-to-SQL Systems. George Katsogiannis-Meimarakis, Georgia Koutrika. SIGMOD Conference 2021: 2846-2851, 2021
Extreme-Scale Interactive Cross-Platform Streaming Analytics - The INFORE Approach. Antonios Deligiannakis, Nikos Giatrakos, Yannis Kotidis, Vasilis Samoladas, Alkis Simitsis. SEA-Data@VLDB, 2021 Full text


Databases and Information Systems in the AI Era: Contributions from ADBIS, TPDL and EDA 2020 Workshops and Doctoral Consortium. Ladjel Bellatreche, Fadila Bentayeb, Mária Bieliková, Omar Boussaid, Barbara Catania, Paolo Ceravolo, Elena Demidova, Mírian Halfeld Ferrari, María Teresa Gómez López, Carmem S. Hara, Slavica Kordic, Ivan Lukovic, Andrea Mannocci, Paolo Manghi, Franc. ADBIS/TPDL/EDA Workshops 2020: 3-20, 2020 Full text
Learning Advanced Similarities and Training Features for Toponym Interlinking. Giorgos Giannopoulos, Vassilis Kaffes, Georgios Kostoulas. ECIR 2020. Lecture Notes in Computer Science(), vol 12035., 2020 Full text
Boosting toponym interlinking by paying attention to both machine and deep learning. Konstantinos Alexis, Vassilis Kaffes, Giorgos Giannopoulos. Proceedings of the Sixth International ACM SIGMOD Workshop on Managing and Mining Enriched Geo-Spatial Data. June 2020. Article No.: 4. Pages 1–5, 2020 Full text
Determining the provenance of land parcel polygons via machine learning. Vassilis Kaffes, Giorgos Giannopoulos, Nontas Tsakonas, Spiros Skiadopoulos. 32nd International Conference on Scientific and Statistical Database Management. July 2020 Article No.: 21. Pages 1–4, 2020 Full text
Improving geocoding quality via learning to integrate multiple geocoders. Konstantinos Alexis, Vassilis Kaffes, Ilias Varkas, Andreas Syngros, Nontas Tsakonas, Giorgos Giannopoulos. 32nd International Conference on Scientific and Statistical Database Management. July 2020 Article No.: 20. Pages 1–4, 2020 Full text
Link Prediction in Bibliographic Networks. Pantelis Chronis, Dimitrios Skoutas, Spiros Athanasiou, Spiros Skiadopoulos. ADBIS Workshops: 335-340, 2020
Analysis of Database Search Systems with THOR. Theofilos Belmpas, Orest Gkini, Georgia Koutrika. SIGMOD Conference 2020: 2681-2684 , 2020
INforE: Interactive Cross-platform Analytics for Everyone. 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, et al.. ACM CIKM, 2020 Full text


Learning domain specific models for toponym interlinking. Vassilis Kaffes, Giorgos Giannopoulos, Nikos Karagiannakis, Nontas Tsakonas. Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. November 2019. Pages 504–507, 2019 Full text
Classifying points of interest with minimum metadata. Giorgos Giannopoulos, Konstantinos Alexis, Nikos Kostagiolas, Dimitrios Skoutas. LocalRec@SIGSPATIAL: 1:1-1:4, 2019
Learning Domain Driven and Semantically Enriched Embeddings for POI Classification. Giorgos Giannopoulos, Marios Meimaris. In SSTD 2019, 2019 Full text
Automatic Ground Truth Dataset Creation for Fake News Detection in Social Media. Danae Pla Karidi, Harry Nakos, and Yannis Stavrakas. 20th International Conference on Intelligent Data Engineering and Automated Learning (IDEAL 2019), Manchester, 14-16 November 2019, 2019
Near-Neighbor Preserving Dimension Reduction for Doubling Subsets of l1. . I.Z. Emiris, Vasilis Margonis, Ioannis Psarros. APPROX-RANDOM 2019: 47:1-47:13, 2019 Full text


Products of euclidean metrics and applications to proximity questions among curves. I.Z. Emiris and I. Psarros. Annual Symp. on Computational Geometry (SoCG), pages 37:1–37:13, 2018 Full text



Estimating Next Day’s Forest Fire Risk via a Complete Machine Learning Methodology. Alexis Apostolakis, Stella Girtsou, Giorgos Giannopoulos, Nikolaos S Bartsotas, Charalampos Kontoes. Remote Sensing 14, no. 5: 1222., 2022 Full text


Assessing the Predictability of Solar Energetic Particles with the use of Machine Learning techniques. Eleni Lavasa, Giorgos Giannopoulos, Athanasios Papaioannou, Anastasios Anastasiadis, IA Daglis, Angels Aran, David Pacheco, B Sanahuja. Solar Physics volume 296, Article number: 107 (2021) , 2021 Full text
An Integrated System for Urban Parks Touring and Management. Kostis Pristouris, Harry Nakos, Yannis Stavrakas, Konstantinos I. Kotsopoulos, Theofanis Alexandridis, Myrto S. Barda, and Konstantinos P. Ferentinos. Urban Science, 5(4), 91, 2021, 2021

Technical Reports


ATRAPOS: Evaluating Metapath Query Workloads in Real Time. Serafeim Chatzopoulos, Thanasis Vergoulis, Dimitrios Skoutas, Theodore Dalamagas, Christos Tryfonopoulos, Panagiotis Karras. CoRR abs/2201.04058, 2022 Full text

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