Publications

QFusor: A UDF Optimizer Plugin for SQL Databases. K. Chasialis, T. Palaiologou, Y. Foufoulas, A. Simitsis, Y. Ioannidis. IEEE ICDE, 2024 

HYPPO: Using Equivalences to Optimize Pipelines in Exploratory Machine Learning. A. Kontaxakis, D. Sacharidis, A. Simitsis, A. Abello, S. Nadal. IEEE ICDE, 2024 

Performance Analysis of Distributed GPU-Accelerated Task-Based Workflows. Marcos N. L. Carvalho, Anna Queralt, Oscar Romero, Alkis Simitsis, Cristian Tatu, Rosa M. Badia. EDBT, 2024 

MIP: Advanced Data Processing and Analytics for Science and Medicine. K. Filippopolitis, Y. Foufoulas, M. N. Garofalakis, A. Glenis, Y. E. Ioannidis, T.-M. Karampatsis, M.-O. Katsouli, E. Mailli, A. Papageorgiou-Mariglis, G. Papanikos, G. Pikramenos, J. Sakellariou, A. Simitsis, P. Ducouret, P. Ryvlin, M.-G. Spuhler. EDBT, 2024 

A Study on Efficient Indexing for Table Search in Data Lakes. Ibraheem Taha, Matteo Lissandrini, Alkis Simitsis, Yannis E. Ioannidis. IEEE ICSC, 2024 

Efficient Execution of User-Defined Functions in SQL Queries. Yannis Foufoulas, Alkis Simitsis. PVLDB, 2023 

Adversarial Learning in Real-World Fraud Detection: Challenges and Perspectives. Daniele Lunghi, Alkis Simitsis, Olivier Caelen, Gianluca Bontempi. ACM Data Economy, SIGMOD, 2023 

The History, Present, and Future of ETL Technology. Alkis Simitsis, Spiros Skiadopoulos, Panos Vassiliadis. DOLAP, 2023 

Toulouse: Learning Join Order Optimization Policies for Rule-based Data Engines. Antonios Karvelas, Yannis Foufoulas, Alkis Simitsis, Yannis Ioannidis. DataPlat, 2023 

User-Defined Functions in Modern Data Engines. Yannis Foufoulas, Alkis Simitsis. IEEE ICDE 2023, 2023 

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 

Database Optimizers in the Era of Learning. Dimitris Tsesmelis, Alkis Simitsis. IEEE ICDE, 2022 

Extreme-Scale Interactive Cross-Platform Streaming Analytics - The INFORE Approach. Antonios Deligiannakis, Nikos Giatrakos, Yannis Kotidis, Vasilis Samoladas, Alkis Simitsis. SEA-Data@VLDB, 2021 

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