Highlights

• VLDB 2025: Best EAB Paper Award
• VLDB 2025: Distinguished Associate Editor Award
• IEEE ICDE 2024: Best Demo Award
• EDBT 2024: Best Demo Award
• ACM DOLAP 2023: Test-Of-Time Award
• VLDB 2023: Distinguished Associate Editor Award
• IEEE ICDE 2023: Industry & Applications, Best Metareviewer Award
• EDBT 2023: Distinguished PC Member Award
• ACM SIGMOD 2021: Distinguished PC
• ACM CIKM 2020: Best Demo Award
• ACM SIGMOD 2014: Best Demo Award
• ACM SIGMOD 2012: Best Demo Award

Recent Projects

• Climpact II: Flagship Initiative for Climate Change (GSRT project – €3.15M) - 2023-2026
• DEDS: Data Engineering for Data Science (H2020-MSCA-ITN project – €3.95M) - 2021-2025
• INFORE: Interactive Extreme-Scale Analytics and Forecasting (H2020-ICT project – €4.43M) - 2019-2022
• Climpact: Flagship Initiative for Climate Change (GSRT project – €3.1M) - 2019-2022

Publications

Patents

• US Patent and Trademark Office url
• European Patent Office url
• Google patents: patents issued url - patent applications url

Recent publications in refereed conferences and workshops (selected)

• IEEE TDSC 2026 - Fraud-RLA: A Reinforcement Learning Adversarial Attack Against Credit Card Fraud Detection

  (to appear)
• PVLDB 2026 - CAPS: Cost-Aware ML Pipeline Selection

  (to appear)
• PVLDB 2026 - APEROL: Adaptive Parallel Edge-to-Cloud Runtime Optimization for Layered Workflow Execution

  pdf code
• EDBT 2026 - Optimizing UDF Queries in SQL Data Engines

  pdf code
• IEEE ICSC 2026 - Supervised Cardinality Estimation for Similarity Queries on Knowledge Graphs

  pdf
• PVLDB 2025 - The UDFBench Benchmark for General-purpose UDF Queries (best EAB paper award)

  pdf poster code
• ACM SIGMOD 2025 - UDFBench: ATool for Benchmarking UDF Queries on SQL Engines

  url pdf code
• IEEE ICDE 2025 - HAIDES: Adaptive Approximation of Inference Queries over Unstructured Data

  url pdf code
• EDBT 2025 - Hyppo: Efficient Discovery and Execution of Data Science Pipelines in Collaborative Environments

  pdf
• PVLDB 2024 - Workload Placement on Heterogeneous CPU-GPU Systems

  pdf slides
• IEEE ICDE 2024 - HYPPO: Using Equivalences to Optimize Pipelines in Exploratory Machine Learning

  pdf code
• IEEE ICDE 2024 - QFusor: A UDF Optimizer Plugin for SQL Databases (best demo award)

  pdf
• EDBT 2024 - Performance Analysis of Distributed GPU-Accelerated Task-Based Workflows

  pdf code
• EDBT 2024 - MIP: Advanced Data Processing and Analytics for Science and Medicine (best demo award)

  pdf
• Inf. Syst. Front. 2024 - Investigating Learning Join Order Optimization Strategies for Rule-based Data Engines

  url pdf
• IEEE ICWS 2024 - Assessing adversarial attacks in real-world fraud detection

  url
• IEEE ICSC 2024 - A Study on Efficient Indexing for Table Search in Data Lakes

  pdf
• PVLDB 2023 - Efficient Execution of User-Defined Functions in SQL Queries

  pdf slides slides-upd
• Data Economy@SIGMOD 2023 - Adversarial Learning in Real-World Fraud Detection: Challenges and Perspectives

  url pdf
• IEEE ICDE 2023 - User-Defined Functions in Modern Data Engines

  pdf slides
• DOLAP@EDBT 2023 - The History, Present, and Future of ETL Technology (test-of-time award invited talk)

  pdf
• DataPlat@EDBT 2023 - Toulouse: Learning Join Order Optimization Policies for Rule-based Data Engines

  pdf
• PVLDB 2022 - YeSQL: "You extend SQL" with Rich and Highly Performant User-Defined Functions in Relational Databases

  pdf poster
• PVLDB 2022 - YeSQL: Rich User-Defined Functions without the Overhead

  pdf
• IEEE ICDE 2022 - Database Optimizers in the Era of Learning

  pdf slides
• EDBT 2022 - SheerMP: Optimized Streaming Analytics-as-a-Service over Multi-site and Multi-platform Settings

  pdf
• SEA-Data@VLDB 2021 - Extreme-Scale Interactive Cross-Platform Streaming Analytics - The INFORE Approach

  pdf
• ACM CIKM 2020 - INforE: Interactive Cross-platform Analytics for Everyone (best demo award)

  pdf
• CIDR 2019 - Automated Performance Management for the Big Data Stack

  pdf
• ACM SIGMOD 2019 - Cost-Effective, Workload-Adaptive Migration of Big Data Applications to the Cloud

  pdf

Professional Activities

Organization

• VLDB 2027, General co-chair
• IEEE ICDE 2026, PC co-chair
• EDBT 2025, PC co-chair
• HDMS 2024, General co-chair
• EDBT/ICDT 2024, Sponsorships chair
• IEEE ICDE 2021, Registration chair
• IEEE ICDE 2016, PhD Symposium, PC co-chair
• ACM DOLAP 2014, PC co-chair
• ER 2011, Industrial, PC co-chair

Editorial

• Proc. of the VLDB Endowment, Associate Editor (AE) for PVLDB Volume 19, 2025-2026
• Proc. of the VLDB Endowment, Associate Editor (AE) for PVLDB Volume 18, 2024-2025
• Proc. of the VLDB Endowment, Associate Editor (AE) for PVLDB Volume 16, 2022-2023
• ACM/IMS Journal of Data Science, Associate Editor (AE) since July 2022
• IEEE TKDE, Associate Editor (AE) since September 2025
• The VLDB Journal, Review Board since March 2025
• DKE/DATAK, Elsevier, Editorial Board Member since April 2018
• ACM SIGMOD Record, Associate Editor for the Research Center Column, July 2012 – June 2019

PC member (selected)

• ACM SIGMOD: 2015, 2016 (reproducibility); 2010, 2018, 2021, 2024, 2025 (research); 2026, 2027 (associate editor)
• PVLDB: 2011 (industrial); 2017 (demo); 2024 (tutorial); 2015, 2019, 2020, 2022 (research); 2023, 2025, 2026 (associate editor)
• IEEE ICDE: 2009, 2012 (demo); 2017, 2019 (PhD Symposium); 2014, 2016, 2022 (research); 2022, 2024, 2025 (industrial); 2023 (industrial area chair); 2027 (research area chair)
• EDBT: 2009, 2010, 2012 (demo); 2012, 2019, 2024 (industrial); 2011, 2014, 2023, 2024 (research); 2022 (senior PC research)
• CIDR: 2019, 2021, 2022, 2023
• IEEE Big Data: 2013-2016, 2019-2022 (research); 2017-2018 (senior PC); 2023 (vice chair)
• ACM SoCC: 2023, 2024
• ACM CIKM: 2014, 2015, 2016, 2020, 2021, 2022, 2023, 2024, 2025
• ACM KDD: 2018-2021 (applied data science track)
• ECML-PKDD: 2015-2017 (industrial); 2018 (applied data science track)
• IEEE ICSC: 2010-2026 (research); 2022 (industrial)
• DASFAA: 2017 (research+industrial); 2018-2020, 2023, 2024, 2025 (research); 2026 (associate editor)

Steering Committee

• ACM DOLAP, since 2015