Detailed Program

Times are displayed in Tampere local time (UTC+2).

Duration of the talks for EDBT papers

Full research papers, experiments & analysis papers, industrial papers, vision papers: 18 minutes (15' presentation + 3' QA and speaker switch)
Short papers: 10 minutes (8' presentation + 2' QA and speaker switch)

Duration of the talks for ICDT papers

Research papers: 20 minutes (16’ presentation + 4’ for QA and speaker switch)
Database Theory in Action papers: 18 minutes (14’ presentation/demo + 4’ for QA and speaker switch)

Tuesday

Wednesday

Thursday

Friday

8:00 AM
-
8:40 AM

Conference registration [Main Building Entrance]

8:40 AM
-
9:00 AM

A1 Auditorium

ICDT Opening

9:00 AM
-
10:30 AM

A1 Auditorium

EDBT/ICDT Keynote: Query Decompositions and All That [9:00 AM-10:00 AM]
(Reinhard Pichler)
[Session Chair: Balder ten Cate]
ICDT Test of Time Award [10:00 AM-10:30 AM]
[Session Chair: Cristian Riveros]

D11 Auditorium

DOLAP: 28th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data

Opening and welcome by the Workhop co-chairs
Selective Use of Yannakakis’ Algorithm for Consistent Performance Gains
(Daniela Böhm, Georg Gottlob, Matthias Lanzinger, Davide Mario Longo, Cem Okulmus, Reinhard Pichler, Alexander Selzer)
Multi-Query Optimization for the novel Analyze Operator
(Marios Iakovidis, Panos Vassiliadis)
Adaptive Noise Injection in Variational Autoencoders for Enhancing Fairness in Group Recommendations (Short paper)
(Emaz Uddin Ahmad, Maria Stratigi, Kostas Stefanidis)

A2a Auditorium

DARLI-AP: 10th International Workshop on Data Analytics solutions for Real-LIfe APplications

Opening and welcome by the Workhop co-chairs
Selective Post-hoc Bias Mitigation via Counterfactual Sensitivity
(Roti Islam Shithy, Maria Stratigi, Kostas Stefanidis)
Navigating the Shift: A Comparative Analysis of Web Search and Generative AI Response Generation
(Mahe Chen, Michelle Wang, Kaiwen Chen, Nick Koudas)
A Vision for Sustainable, Equitable Healthcare Applications with XAI and Transfer Learning to Augment Neural Models
(Aparna Varde, Benjamin Rasmussen)
Differentiable Synthetic Dataset Generation for Non-Trivial Regression Tasks
(Flavio Giobergia, Claudio Savelli)
Interpretable AI for Skin Screening: MultiExCam for Melanoma, Basal Cell Carcinoma and Benign Nevi Classification (online)
(Maira Aracne, Luciano Caroprese, Tommaso Ruga, Eugenio Vocaturo, Ester Zumpano)

A2b Auditorium

BMDA: 8th International Workshop on Big Mobility Data Analytics

Opening and welcome by the Workhop co-chairs
Mobile Traffic Data as a Proxy for Urban Mobility: a Preliminary Study in Paris
(Debora Giovannelli, Fabio Pinelli and Chiara Pugliese)
Short-Term Traffic Congestion Prediction Using Machine Learning: XGBoost vs. Deep Neural Networks
(George Theodoropoulos, Zoi Nikolarakis and Yannis Theodoridis)
MobilityDuck: Mobility Data Management with DuckDB
(Nhu Ngoc Hoang, Ngoc Hoa Pham, Viet Phuong Hoang and Esteban Zimányi)
How to implement your Trajectory Data Warehouse? Design and Evaluation
(Rim Moussa, Sandro Bimonte and Robert Wrembel)

Coffee Break [Main Auditorium Foyer]

11:00 AM
-
12:30 PM

A1 Auditorium

ICDT Session 1: Graph Queries
[Session Chair: Florent Capelli]

Designing and Comparing RPQ Semantics
(Victor Marsault and Antoine Meyer)
Output-Sensitive Evaluation of Acyclic Conjunctive Regular Path Queries
(Mahmoud Abo Khamis, Alexandru-Mihai Hurjui, Ahmet Kara, Dan Olteanu, Dan Suciu and Zilu Tian)
View-based Query Determinacy for Walk-based Semantics
(Nadime Francis)
Complexity of Evaluating GQL Queries
(Diego Figueira, Anthony W. Lin and Liat Peterfreund)

A3 Auditorium
Starts at 10:45 AM

DataEd: 5th International Workshop on Data Systems Education

Opening and welcome by the Workshop co-chairs
CSEd keynote
(Craig Zilles)
GRANT Privileges, REVOKE Risk: Safe and Scalable Teaching of Database Administration with Isolated Containers
(Andrzej Wójtowicz, Maciej Prill)
A Collection of Demonstrations with PostgreSQL for Teaching and Learning Database System Internals
(Stefan Halfpap, Daniel Hristov, Volker Markl)
SemiStructQuest: Unveiling NoSQL Database Concepts Through Gamified Learning Platform Analyses
(Nelly Barret, Mélina Verger)

C6 Auditorium

TGD: 2nd International Workshop on Transforming Graph Data (TGD)

Opening and welcome by the Workshop co-chairs
Keynote: Property Graph Transformations in Action: From Data Integration to Causal Analysis
(Angela Bonifati)
Beyond Prompt-to-RDF: A Vision for Scalable and Explainable Graph Transformations via LLM-assisted Schema Mappings
(Yannis Marketakis, Yannis Tzitzikas)

A4 Auditorium

Sponsor Talks
[Session Chair: Riccardo Tommasini]

To GPU or not to GPU: Is that even a question?
(Kevin Gaffney, Microsoft - GOLD Sponsor)
Developing database systems at scale - what scale really means
(Markus Dreseler, Snowflake - GOLD Sponsor)

D11 Auditorium

DOLAP: 28th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data

Keynote: A Look at the Ecological Impact of Big Data Systems
(Tilmann Rabl)
Interactive Panel on Sustainable Analytics

A2a Auditorium

DARLI-AP: 10th International Workshop on Data Analytics solutions for Real-LIfe APplications

Keynote: Reliable Explanations for Data Analytics
(Ira Assent)
Governing the Whole Stack: Auditable Data Science Queries for Frugal and Sovereign Environmental AI
(Genoveva Vargas-Solar)
From Architecture to Implementation: Robotic Data Pipelines for Digital Agriculture GIS
(Piotr Skrzypczynski, Filip Baranowski, Krzysztof Ćwian, Maciej Krupka, Jakub Pilarski, Antoni Sopata, Robert Wrembel)
SkiSlo, leveraging Digital Twins to improve Ski Safety
(Davide Cortinovis, Giulia De Pascale, Nunzio Licalzi, Andrea Pantano, Matteo Postinghel, Riccardo Savio, Cosmo Spinosa, Andrea Tarabotto, Daniele Apiletti, Carlo Iapige De Gaetani, Giovanni Malnati)

A2b Auditorium

BMDA: 8th International Workshop on Big Mobility Data Analytics

Keynote: What Comes After Big Mobility Data? Openness, Standards, and Collective Stewardship
(Milad Malekzadeh)
A Benchmark Framework for Trajectory Vectorization in Unsupervised Settings
(Cristiano Landi, Petros Mandalis and Nikos Pelekis)
Spatial RAG for Big Data–Driven Urban Itinerary Recommendation
(Maddalena Amendola, Chiara Pugliese, Chiara Renso and Raffaele Perego)
Closing

Lunch Break [Tampere Hall (3rd floor)]

2:00 PM
-
3:30 PM

A1 Auditorium

ICDT Invited Lecture: Building Relational Circuits [2:00 PM - 3:00 PM]
(Florent Capelli)

A3 Auditorium

DataEd: 5th International Workshop on Data Systems Education

Data Systems Keynote
(Azza Abouzied)
AI-Assisted Generation of SQL Comprehension Questions
(Martin Goodfellow, Alasdair Lambert, Andrew Fagan, Robbie Booth)
A Proposal for Revising SQL Error Taxonomies Based on Automated Detection
(Davide Ponzini, Giovanna Guerrini, Barbara Catania)
Sponsor Talk by Oracle

C6 Auditorium

TGD: 2nd International Workshop on Transforming Graph Data (TGD)

Keynote: Trigger Graphs and Probabilistic Equivalence: Towards Scalable and Efficient Neurosymbolic Learning and Inference
(Efthymia Tsamoura)
Declarative Debugging for Datalog with Aggregation
(Raimund Dachselt, Lukas Gerlach, Philipp Hanisch, Alex Ivliev, Markus Krötzsch, Maximilian Marx, Julián Méndez)
Quantum-PG-HIVE: Schema Discovery for Property Graphs Using Quantum Computing
(Emmanouil Limnaios, Sophia Sideri, Haridimos Kondylakis)

A4 Auditorium

QuaLLM-KG: 1st International Workshop on Quality in Large Language Models and Knowledge Graphs

Opening and welcome by the Workshop co-chairs
A Systematic Literature Review on Hallucination Detection Methods in LLMs
(Elisa Bestetti, Zheying Zhang, Kostas Stefanidis)
Keynote
(Renée Miller)

D11 Auditorium

DOLAP: 28th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data

DORM: Dynamic Object-Relational Mapping
(Alberto Abello, Enrico Gallinucci)
On the Efficacy of Using LLMs for Context Driven Entity Augmentation in Property Graphs
(Felipe Vasconcelos, Cristina Aguiar, Alexandre Chanson, Mirian Halfeld-Ferrari, Patrick Marcel, Verónika Peralta)
Semantic Caching for OLAP via LLM-Based Query Canonicalization (Short paper)
(Laurent Bindschaedler)
End-to-End Deep Entity Resolution without Labelled Instances (Short paper)
(Franziska Neuhof, Marco Fisichella, George Papadakis)
Computation of fuzzy joins over large collections of JSON data using semantic similarity (Short paper)
(Alan Petit, Matthew Damigos, Laurent D’Orazio, Eleftherios Kalogeros)

A2a Auditorium

DARLI-AP: 10th International Workshop on Data Analytics solutions for Real-LIfe APplications

Keynote: Artificial Tools and ‘Natural’ Social Exclusion: A Linguistic Perspective
(Francesca Dragotto)
From Human to Scalable Annotation: Teaching LLMs to Mimic Experts Labeling on Economic News Sentiment
(Michele Petrocelli, Andrea Rollin, Matteo Berta, Francesca Zafonte, Simone Monaco, Salvatore Lo Sardo, Daniele Apiletti, Daria Scacciatelli, Tania Cerquitelli)
Transformer-based Analysis of Vehicle CAN Bus Data for Predictive Maintenance: A Real Case Study
(Ali Yassine, Fabio Zorzan, Lucia Salvatori, Luca Vassio, Luca Cagliero)
Data-Driven Fault Detection of Automotive Engine Mounts Using Onboard Vibration Signals
(Yangtao Chen Chen, Mirco Hauke, Alexander Belitzki, Daniele Apiletti)
On testing a data access architecture based on micro-services
(Michał Bodziony, Filip Szóstak, Konrad Tarnacki, Robert Wrembel)

A2b Auditorium

XAI4Science: 1st International Workshop on Explainable Data Science and Machine Learning for the Sciences

XAI4Science Welcome
(V.Christophides, N.Labroche)
Keynote: Advances and Future Perspectives in Graph Counterfactual Explanations
(G. Stilo)
LogiX-Me: Logic-based Self-Explainable Message Passing GNN
(Simone Palumbo, Alessio Ragno, Roberto Capobianco, Marc Plantevit, Céline Robardet

Coffee Break [Main Auditorium Foyer]

4:00 PM
-
5:30 PM

A1 Auditorium

ICDT Session 2: Responsibilities and Repairs
[Session Chair: Reinhard Pichler]

The Importance of Parameters in Ranking Functions
(Wolfgang Gatterbauer, Benny Kimelfeld, Christoph Standke and Nikolaos Tziavelis)
Responsibility measures for conjunctive queries with negation
(Meghyn Bienvenu, Diego Figueira and Pierre Lafourcade)
Computing Consistent Least Upper Bounds in Aggregate Logic
(Aziz Amezian El Khalfioui and Jef Wijsen)
The Complexity of Finding Missing Answer Repairs
(Jesse Comer and Val Tannen)

A3 Auditorium

DataEd: 5th International Workshop on Data Systems Education

Seasoning Data Modeling Education with GARLIC: A Participatory Co-Design Framework
(Viktoriia Makovska, Ihor Michurin, Mariia Tokhtamysh, George Fletcher, Julia Stoyanovich)
Teaching Query-Driven Design in Aggregate-Oriented NoSQL Systems: Resources, Methodology, and Tool Support
(Barbara Catania, Giovanna Guerrini, Amer Al Khoury)
Guided discussion on the future of Data Systems Education
Closing

C6 Auditorium

TGD: 2nd International Workshop on Transforming Graph Data (TGD)

Exploiting Temporal Importance for Adversarial Attacks on Dynamic Graphs
(Brilian Budi, Toshiyuki Amagasa)
Heterogeneity Detection and Comparison for Cost-Aware Graph Schema Evolution and Transformation
(Dominique Hausler, Meike Klettke)
Data Lineage Discovery for Databases based on Knowledge Graph Link Prediction
(Jakub Dutkiewicz, Paweł Misiorek, Robert Wrembel)
GSS: Graph Semantic Summarization Using Answer-Centered Explanatory Subgraphs
(Valantis Zervos, Spyridon Doukeris, Kiki Miniadou, Giannis Vassiliou, Sophia Sideri, Haridimos Kondylakis)
Call for Action and Closing

A4 Auditorium

QuaLLM-KG: 1st International Workshop on Quality in Large Language Models and Knowledge Graphs

Agentic AI, Context Engineering and Knowledge Graphs: Current Approaches, Challenges and Opportunities
(Niraj Karki, Manjila Pandey, Sanju Tiwari, Nandana Mihindukoolasuriya, Sven Groppe)
OQuaRE-KG: an OQuaRE inspired framework for knowledge graph quality assessment
(Belén Juanes-Cortés, Juan Mulero-Hernández, Jesualdo Tomás Fernández-Breis)
Metadata-Guided Diffusion and LLM-Orchestrated Quality Governance for Time Series Imputation
(Imane Hocine, Asma Abboura, Abdelaziz Kella, Maria Hanini, Grégoire Danoy)
Towards LLM-KG Symbiosis for Reducing Factual Hallucinations (Vision Paper)
(Tommaso Dolci, Milos Jovanovik, Katja Hose)

D11 Auditorium

DOLAP: 28th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data

Automated Pattern Extraction in Complex Event Processing systems
(Styliani Kyrama, Anastasios Gounaris)
Interpretable Highlights for Experiment Tracking
(Vassilis Stamatopoulos, Panos Gidarakos, Stavros Maroulis, George Papastefanatos, Panos Vassiliadis)
Every Data Lake Has a Past: Analytical Exploration of Wikipedia History as a Temporal Data Lake (Short paper)
(Mahdi Esmailoghi, Steven Purtzel, Roee Shraga, Renée J. Miller, Matthias Weidlich)
A Simple and Reliable Benchmark for Data Freshness in HTAP (Short paper)
(Takaaki Kanetsuki, Toshiyuki Amagasa)

A2a Auditorium

DARLI-AP: 10th International Workshop on Data Analytics solutions for Real-LIfe APplications

A Dataset Generation Method for Bias Evaluation in Retrieval-Augmented Generation
(Yingqi Zhao, Vasilis Efthymiou, Jyrki Nummenmaa, Kostas Stefanidis)
Hybrid Multi-Source RAG for Context-Aware Conversational Data Access
(Giorgia Di Nicola, Stefano Iannucci, Riccardo Torlone)
On Discovering Provenance of Data Warehouse Objects Created by Select-Project Queries
(Witold Andrzejewski, Pawel Boinski, Robert Wrembel)
Combining Supervised and Unsupervised Learning for Efficient, Explainable, and Interoperable Anomaly Detection (online)
(Grisha Weintraub, Leonid Rise, Doron Hillman, Paula Ta-Shma)
Exploring In-Context Learning Strategies for Temporal Ordering of Legal Events using Large Language Models
(Andrea Cacioli, Luca Cagliero, Francesco Tarasconi)
Closing

A2b Auditorium

XAI4Science: 1st International Workshop on Explainable Data Science and Machine Learning for the Sciences

Towards Guiding Data Imputation for Scientific Data Analytics Via SHAP-like Scores
(Omer Abramovich, Daniel Deutch, Hadas Stiebel-Kalish)
Counterfactual Explanations for Equivariant Graph Neural Networks: CE-EGNN for Molecular Property Regression
(Salah-Eddine Rizki, Fatia Lekbour, Guillaume Renton)
Unified evaluation of predictive models for failure prediction
(Apostolos Giannoulidis, Ioannis Iordanis, Katerina Tzompanaki)
Rethinking HyperSpectral Image Classification (HSIC) Benchmark with Explainability (xAI) under a Causal Estimation Perspective
(Michele Linardi, Sekou Dabo, Claudia Paris )
Challenges of Explainability in Continual Learning for Time Series Forecasting
(Quentin Besnard, Emmanuel Doumard, Mohadeseh Golpour, Nicolas Labroche, Nicolas Ragot

6:00 PM
-
7:00 PM

Guided Walking Tour or Moomin Museum

7:00 PM
-
9:00 PM

Welcome Reception at the Old City Hall

8:00 AM
-
8:40 AM

Conference registration [Main Building Entrance]

8:40 AM
-
9:00 AM

Main Auditorium

EDBT Opening
[Session Chair: Vanessa Braganholo]

9:00 AM
-
10:00 AM

Main Auditorium

EDBT/ICDT Keynote: Enough with the Glue Code! Let’s Build Snap‑Fit Data System Architectures
(Holger Pirk)
[Session Chair: Vanessa Braganholo]

10:00 AM
-
10:30 AM

Main Auditorium

EDBT Test of Time Award

Coffee Break [Main Auditorium Foyer]

11:00 AM
-
12:30 PM

D11 Auditorium

ICDT Session 3: Annotations, Streams, Transactions [11:00 AM - 12:00 PM]
[Session Chair: Frank Neven]
- Bounding the Makespan of Transaction Schedules
  (Tim Baccaert, Brecht Vandevoort and Bas Ketsman)
- A formal query language and automata model for aggregation in complex event recognition
  (Pierre Bourhis, Cristian Riveros and Amaranta Salas)
- Gamma Acyclicity, Annotated Relations, and Consistency Witness Functions
  (Albert Atserias and Phokion Kolaitis)

ICDT Business Meeting [12:00 PM - 1:00PM]

A1 Auditorium

EDBT Session 1: Scalable Schema Matching and Entity Integration
[Session Chair: Johannes Pietrzyk]

Collaborative Scoping: Self-Supervised Linkability Assessment for Schema Matching
(Leonard Traeger, Andreas Behrend, George Karabatis)
In-depth Analysis of LLM-based Schema Linking
(George Katsogiannis-Meimarakis, Katsiaryna Mirylenka, Paolo Scotton, Francesco Fusco, Abdel Labbi)
[Short Paper] Fuzzy Integration of Data Lake Tables
(Aamod Khatiwada, Roee Shraga, Renée J. Miller)
Efficient Model Repository for Entity Resolution: Construction, Search, and Integration
(Victor Christen, Peter Christen)
[Industrial & Applications] SchemaTune: A Hybrid Framework Combining Transformer Fine-Tuning and Large Language Models for Schema Matching
(Sayandeep Mitra, Manasi Patwardhan, Raveendra Kumar Medicherla)

D10b Auditorium

EDBT Session 2: Scalable Indexing and Analytics for Dynamic Graphs
[Session Chair: Alex Krause]

Efficient Locality-based Indexing for Cohesive Subgraphs Discovery in Hypergraphs
(Song Kim, Dahee Kim, Taejoon Han, Junghoon Kim, Hyunji Jeong, Jungeun Kim)
[Short Paper] Efficient Vector-Based Louvain Algorithm for Massive Low-Rank Graphs
(Tengkai Yu, Venkatesh Srinivasan, Alex Thomo)
Fast Landmark Reconfiguration for Highway Cover Indexes
(David Coudert, Andrea D'Ascenzo, Mattia D'Emidio, Giuseppe F. Italiano)
DCSR: A Fast Data Structure with Leaf-Oriented Locks for Streaming Graph Processing
(Yue Shen, Jie Zhang, Huawei Cao, Yuan Zhang, Xuejun An)
Accelerating K-Core Computation in Temporal Graphs
(Zhuo Ma, Dong Wen, Hanchen Wang, Wentao Li, Wenjie Zhang, Lu Qin)

A2a Auditorium

Tutorial 1: Private LLM Inference with Homomorphic Encryption
(Lawrence Lim, Divyakant Agrawal, Amr El Abbadi)

Café & Aula Toivo

EDBT Demo Session 1

TerseTS: A Framework for Time Series Compression
(Carlos Muniz Cuza, Søren Kejser Jensen, Tom Louis Klein, Sabina Bakhtiiarova, Matthias Boehm and Torben Bach Pedersen)
Where Graphs Meet Fuzzy Logic — A DBMS-Centered Engine for Polyphonic Music Matching in Score Databases
(Adel Aly, Olivier Pivert and Virginie Thion)
DEDALUS: A Quantum-Enhanced End-to-End Framework for Cost-Aware Join Order Optimization with Search Space Pruning
(Emmanouil Limnaios, Markos Stergiopoulos, George Stamatiou, Efthymios Papageorgiou, Vasilis Efthymiou, Dimitrios Loupas, Dimitrios Tsourounis, Kostas Blekos, Dimitris Plexousakis, Aggelos Tsikas, Kostas Magoutis, Yannis Tzitzikas and Haridimos Kondylakis)
CoDeC: Constraints-Guided Diverse Counterfactuals
(Avia Asael, Nave Frost, Amir Gilad and Daniel Deutch)
MetricLib: A Modular and Extensible Toolkit for Evaluation of Medical ML Datasets
(Martin Seyferth, Katinka Becker, Tobias Schäffter, Daniel Schwabe and Matthias Böhm)
Practical Spreadsheet Parsing with SheetReader
(Haralampos Gavriilidis, Felix Henze, Joel Ziegler, Jonas Benn, Eleni Tzirita Zacharatou and Volker Markl)
PolyPipe: Merging Data Pipelines and Multi-Model Databases
(David Lengweiler, Tobias Weber, Heiko Schuldt and Marco Vogt)
MM-mapsearch: Workload-Aware Mapping Selection
(Pavel Koupil, Bedřich Mazourek, Jáchym Bártík and Irena Holubová)
NavLLM: Interactive LLM-Assisted Navigation over Multidimensional Data Cubes
(Xiufeng Liu, Ruyu Liu and Yanyan Yang)

Lunch Break [Tampere Hall (3rd floor)]

2:00 PM
-
3:00 PM

A1 Auditorium

EDBT/ICDT Keynote: The Dissection of a Complex Event Recognition Engine
(Cristian Riveros)
[Session Chair: Balder ten Cate]

Break

3:15 PM
-
4:15 PM

D11 Auditorium

ICDT Session 4: Query Optimization
[Session Chair: Dan Olteanu]

Algorithms for Optimizing Acyclic Queries
(Zheng Luo, Wim Van den Broeck, Guy Van den Broeck and Yisu Remy Wang)
Acyclic Join Sampling under Selections: Dichotomy, Union Sampling, and Enumeration
(Jinchao Huang, Yufei Tao and Sibo Wang)
Neither Cover nor Pack: Distributed WCO of Degree-2 Joins
(Heba Mohamed, Xiao Hu and Bas Ketsman)

A1 Auditorium

EDBT Session 3: Incremental Metadata and Dependency Discovery in Databases
[Session Chair: Alberto Abelló]

[EDBT 2026 Best Paper Award] In-memory Incremental Maintenance of Provenance Sketches
(Pengyuan Li, Dieter Gawlick, Vasudha Krishnaswamy, Zhen Hua Liu, Danica Porobic, Xing Niu, Boris Glavic)
SPIND: Scalable Partial Inclusion Dependency Discovery
(Marcian Seeger, Thorsten Papenbrock, Jakob Müller)
PG-HIVE: Hybrid Incremental Schema Discovery for Property Graphs
(Sophia Sideri, Georgia Troullinou, Elisjana Ymeralli, Vasilis Efthymiou, Dimitris Plexousakis, Haridimos Kondylakis)

A3 Auditorium

EDBT Session 4: Knowledge Graph Validation and Graph Data Management
[Session Chair: Aparna Varde]

CMiner: An Algorithm to Discover Frequent Structures in Conceptual Models
(Simone Avellino, Emanuele Valore, Giovanni Micale, Antonio Di Maria, Mattia Fumagalli, Tiago Prince Sales, Alfredo Pulvirenti, Diego Calvanese)
Benchmarking Large Language Models for Knowledge Graph Validation
(Farzad Shami, Stefano Marchesin, Gianmaria Silvello)
Meta-Property Graphs in Practice: Implementation and Evaluation
(Stijn Nooijen, Sepehr Sadoughi, Nikolay Yakovets)

A4 Auditorium

EDBT Session 5: Advanced Analytics for Complex Data Systems
[Session Chair: Tilmann Rabl]

[Vision Paper] Towards a Multimodal Stream Processing System
(Uélison Jean Lopes dos Santos, Alessandro Ferri, Szilard Nistor, Riccardo Tommasini, Carsten Binnig, Manisha Luthra)
Khatri-Rao Clustering for Data Summarization
(Martino Ciaperoni, Collin Leiber, Aristides Gionis, Heikki Mannila)
[Industrial & Applications] Data-driven Trajectory Imputation for Advanced Vessel Monitoring
(Giannis Spiliopoulos, Alexandros Troupiotis-Kapeliaris, Kostas Patroumpas, Nikolaos Liapis, Dimitrios Skoutas, Dimitris Zissis, Nikos Bikakis)

A2a Auditorium

Tutorial 2: Privacy-preserving Record Linkage: Past, Present and Yet-to-Come
(Lefteris Stetsikas, George Papadakis, Manolis Koubarakis, Dimitrios Karapiperis)

D10b Auditorium

Young Researchers Symposium I - YRS Keynotes
[Session Chairs: Sainyam Galhotra and Jia Zou]

Data Processing in Space
(Pınar Tözün)
An industry perspective on modern data management challenges
(Alexander Böhm)

Coffee Break [Main Auditorium Foyer]

4:45 PM
-
5:45 PM

D11 Auditorium

ICDT Session 5: Data Structures, Algorithms, Lower bounds
[Session Chair: Stijn Vansummeren]

[ICDT 2026 Best Paper Award] Lower Bounds for the Algorithmic Complexity of Learned Indexes
(Luis Alberto Croquevielle, Roman Sokolovskii and Thomas Heinis)
Factorised Representations of Join Queries: Tight Bounds and a New Dichotomy
(Christoph Berkholz and Harry Vinall-Smeeth)
Dynamic Necklace Splitting
(Rishi Advani, Abolfazl Asudeh, Mohsen Dehghankar and Stavros Sintos)

A1 Auditorium

EDBT Session 6: Scalable Architectures for Modern Data Systems
[Session Chair: Martin Hentschel]

[Runner-up for EDBT 2026 Best Paper Award] Thunderbolt: Concurrent Smart Contract Execution with Nonblocking Reconfiguration for Sharded DAGs
(Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi)
Efficient Dataframe Systems: Lazy Fat Pandas on a Diet
(Bhushan Singh, Priyesh Kumar, Chiranmoy Bhattacharya, S Sudarshan)
Benchmarking Multi-Tenant Architectures in PostgreSQL
(Patrick Erdelt, Tilmann Rabl)

A3 Auditorium

EDBT Session 7: Fairness-Aware Data Management Under Drift
[Session Chair: Genoveva Vargas-Solar]

Fair Center Clustering in Sliding Windows
(Matteo Ceccarello, Andrea Pietracaprina, Geppino Pucci, Francesco Visonà)
Selective Data Expansion for Model Performance
(Jahid Hasan, Romila Pradhan)
C-SHIFT: Efficient Cluster-based Model Fairness Control under Data Drift
(Yijie Li, Huiping Chen, Paolo Missier)

A4 Auditorium

EDBT Session 8: Scalable Time Series Analytics and Query Processing
[Session Chair: Matthias Boehm]

CAMEO: Autocorrelation-Preserving Line Simplification for Lossy Time Series Compression
(Carlos Muniz Cuza, Matthias Boehm, Torben Bach Pedersen)
DendroTime: Progressive Hierarchical Clustering for Variable-Length Time Series
(Sebastian Schmidl, Ferdinand Rewicki, Felix Naumann, Thorsten Papenbrock)
Scalable Convergence Queries on Time Series Compounds
(Khalid Alnuaim, Noura Alghamdi, Xiaoshuai Li, Elke Rundensteiner, Mohamed Eltabakh)

A2a Auditorium

Tutorial 2 (cont): Privacy-preserving Record Linkage: Past, Present and Yet-to-Come
(Lefteris Stetsikas, George Papadakis, Manolis Koubarakis, Dimitrios Karapiperis)

D10b Auditorium

Young Researchers Symposium II - PhD Lightning Talks and Speedy Networking
[Session Chairs: Sainyam Galhotra and Jia Zou]

Data attribution – Efficient Algorithms and Applications
(Omer Abramovich)
Declarative Recall for ANN Vector Search
(Manos Chatzakis)
Reducing LLM Hallucinations by KG Grounding
(Tommaso Dolci)
Enumerating Non-Hereditary Dense Subgraphs with Quantum Optimisation
(Song Kim)
There is no such thing as “the Shapley value” of a database fact
(Pierre Lafourcade)
From PolyStores to Multi-Engine Stream Processing Systems
(David Lengweiler)
End-to-end data engineering execution system
(Lina Razouk)
Multisided Fairness in Recommender Systems
(Reza Shafiloo)

9:00 AM
-
10:00 AM

Main Auditorium

EDBT/ICDT Keynote: Beauty & the Beast: Deep Learning & Its Resource Needs
(Pınar Tözün)
[Session Chair: Wolfgang Lehner]

10:00 AM
-
10:30 AM

Main Auditorium

EDBT & ICDT Best Paper + Best Reviewer Awards

Coffee Break [Main Auditorium Foyer]

11:00 AM
-
12:30 PM

D11 Auditorium

ICDT Session 6: Database Theory in Action Papers
[Session Chair: Balder ten Cate]

Database Theory in Action: Evaluation of Aggregate Queries without Materialisation
(Matthias Lanzinger, Reinhard Pichler and Alexander Selzer)
Database Theory in Action: Yannakakis’ Algorithm
(Paraschos Koutris, Stijn Vansummeren, Qichen Wang, Yisu Remy Wang and Xiangyao Yu)
Database Theory in Action: From Inexpressibility to Efficiency: Order-Constrained Paths in GQL
(Hadar Rotschield and Liat Peterfreund)
Database Theory in Action: Direct Access to Query Answers
(Jiayin Hu and Nikolaos Tziavelis)
Database Theory in Action: Learning Logical Modelling with Iltis
(Tristan Kneisel, Fabian Vehlken and Thomas Zeume)

A1 Auditorium

EDBT Session 9: Scalable Geospatial Query and Stream Processing
[Session Chair: Riccardo Tommasini]

RTCM: A Distributed Snapshot-Based Framework for Real-Time Co-movement Mining
(Chenxu Wang, Jiaxing Wei, Tianyi Li, Hongzhen Xiang, Junzhou Zhao, Pinghui Wang, Tao Qin, Yushuai Li, Christian S. Jensen)
[Short Paper] Scalable Spatial Topology Joins
(Thanasis Georgiadis, Nikos Mamoulis)
ALOG: Adaptive Longitudinal Grids for Geospatial Data using Local Differential Privacy
(Eduardo Duarte Neto, Serafim Costa, Antonio Marreiras, Javam Machado)
Mobility Trajectory Data Stream Processing Beyond the Cloud
(Mariana Duarte, Dwi P. A. Nugroho, Georges Tod, Evert Bevernage, Pieter Moelans, Elias Saerens, Esteban Zimányi, Mahmoud Sakr, Steffen Zeuch)
[Industrial & Applications] Dynamic Prefiltering for Massive-Scale Equi- and Geospatial Joins
(Knut Stolze, Jason Arnold, Ellis Saupe)

D10b Auditorium

EDBT Session 10: Learned and LLM-Driven Query Optimization
[Session Chair: Yannis Velegrakis]

LearnedWMP: Workload Memory Prediction Using Distribution of Query Templates
(Shaikh Quader, Andres Jaramillo, Sumona Mukhopadhyay, Ghadeer Abuoda, Calisto Zuzarte, David Kalmuk, Marin Litoiu, Manos Papagelis)
LITHE: A Query Rewrite Advisor using LLMs
(Sriram Dharwada, Himanshu Devrani, Jayant Haritsa, Harish Doraiswamy)
[Short Paper] Reliable End-to-End Text-to-SQL Generation
(Kaiwen Chen, Yueting Chen, Nick Koudas, Xiaohui Yu)
What Drives Learned Optimizer Performance? A Systematic Evaluation
(Kostas Mparmparousis, Christos Tsapelas, Georgia Koutrika)
Query Performance Explanation through Large Language Model for HTAP Systems
(Haibo Xiu, Li Zhang, Tieying Zhang, Jun Yang, Jianjun Chen)

A2a Auditorium

Tutorial 3: Disaggregated Data System Architecture: State-of-the-Art and Open Challenges
(Alexander Krause, Johannes Pietrzyk, Alexander Böhm)

Café & Aula Toivo

EDBT Demo Session 2

HistoricRAG: Evidence-Centered Newspaper Retrieval for Misinformation-Resilient Question Answering
(Stergios Konstantinidis, Min-Yen Kan and Michalis Vlachos)
TwinDB: Interactive What-If Analysis for Digital Twins
(Xiufeng Liu, Ruyu Liu, Per Sieverts Nielsen and Hua Lu)
PG-HIVE: Schema Discovery for Property Graphs
(Sophia Sideri, Ioannis Chiras, Myron Giakoumakis, Georgia Troullinou, Elisjana Ymeralli, Vasillis Efthymiou, Dimitris Plexousakis and Haridimos Kondylakis)
Demonstrating PIPE-X: Supporting Iterative Pipeline Development Through Explanations
(Nadja Geisler, Benjamin Hättasch and Carsten Binnig)
AnonymEx: An Interactive Platform for Exploring and Evaluating Anonymization Techniques through Re-identification Attacks
(Andrea Fieschi, Christoph Stach and Pascal Hirmer)
MIMOSA: A Tool for Fairness Exploration Through Explanations
(Vasiliki Papanikou, Danae Pla Karidi, Evaggelia Pitoura, Emmanouil Panagiotou and Eirini Ntoutsi)
PolyBooks: A System for Interactive Multi-Model Querying with Provenance and Reuse
(David Lengweiler, Tobias Weber, Heiko Schuldt and Marco Vogt)
Click, Share, Learn: Teaching Data Science Using Apache Texera
(Sarah Asad, Xiaozhen Liu, Kun Woo Park, Xinyuan Lin, Jiadong Bai, Shengquan Ni, Yicong Huang and Chen Li)

Lunch Break [Tampere Hall (3rd floor)]

2:00 PM
-
3:00 PM

A1 Auditorium

DEI Keynote: Why is Ethical Competence Important to all Computer Scientists?
(Thomas Olsson)
[Session Chair: Eleni Tzirita Zacharatou]

Break

3:15 PM
-
4:15 PM

D11 Auditorium

ICDT Session 7: Rules and Rewritings
[Session Chair: Miika Hannula]

Conjunctive Query Containment with Safe Negation and TGD One-boundedness
(Xavier Oriol)
Rule Rewriting Revisited: A Fresh Look at Static Filtering for Datalog and ASP
(Philipp Hanisch and Markus Krötzsch)
First-Order Rewritability of Rule-based Ontology Mediated Queries with Negation
(Georg Gottlob, Marco Manna, Andreas Pieris and Aldo Ricioppo)

A1 Auditorium

EDBT Session 11: Performance Optimization in Modern Data Engines
[Session Chair: Holger Pirk]

Understanding the Performance of Native Execution in Big Data Engines: The Good, the Bad, and How to Fix It
(Haikai Zhao, Zhenman Fang)
Nova: Scalable Streaming Join Placement and Parallelization in Resource-Constrained Geo-Distributed Environments
(Xenofon Chatziliadis, Eleni Tzirita Zacharatou, Samira Akili, Alphan Eracar, Volker Markl)
[Industrial & Applications] Exploring Dynamic Memory Allocation of CXL Memory Pools in Enterprise In-Memory Database Management Systems
(Donghun Lee, Minseon Ahn, Jungmin Kim, Jaemin Jung, Norman May, Daniel Ritter, Jongmin Gim, Heekwon Park, Changho Choi, Yang Seok Ki)

A3 Auditorium

EDBT Session 12: Data Discovery and Hybrid Search Systems
[Session Chair: Andra Ionescu]

Diverse Unionable Tuple Search: Novelty-Driven Discovery in Data Lakes
(Aamod Khatiwada, Roee Shraga, Renée J. Miller)
[Short Paper] Adaptive Query-Aware Hybrid Search in Vector Databases
(Adeel Aslam, Rizwan Khan, Giovanni Simonini, George Konstantinidis)
[Industrial & Applications] Automatic Detail Extraction from Sustainability Objectives Using Weak Supervision
(Mohammad Mahdavi, Tom Debus)

A4 Auditorium

EDBT Session 13: LSM-Tree Performance Optimization for Modern Workloads
[Session Chair: Anna Queralt]

AdCache: Adaptive Cache Management with Admission Control for LSM-tree Key-Value Stores
(Jiarui Ye, Junfeng Liu, Siqiang Luo)
Evaluating Learned Indexes in LSM-tree Systems: Benchmarks, Insights and Design Choices
(Junfeng Liu, Jiarui Ye, Mengshi Chen, Meng Li, Siqiang Luo)
RecDB: An LSM-Tree based Storage System for Training Large Recommendation Model in Low-Resource Scenarios
(Ming Gao, Qingyin Lin, Zhitao Chen, Yunling Chen, Zhiguang Chen)

D10b Auditorium

Young Researchers Symposium III - Panel
[Session Chairs: Sainyam Galhotra and Jia Zou]

Coffee Break [Main Auditorium Foyer]

4:45 PM
-
6:15 PM

A1 Auditorium

Joint EDBT/ICDT Event
[Session Chairs: George Fletcher and Stijn Vansummeren]

8:00 PM
-
11:30 PM

Social Dinner at Solo Sokos Hotel Torni

9:00 AM
-
10:00 AM

A1 Auditorium

EDBT/ICDT Keynote: Data Management Meets Its AI Partner: Understanding the New Landscape
(Alon Halevy)
[Session Chair: Angela Bonifati]

10:00 AM
-
10:15 AM

A1 Auditorium

EDBT 2026 Best Demo Award + EDBT/ICDT 2027 Announcement
[Session Chair: Martin Hentschel]

Break

10:30 AM
-
11:30 PM

A1 Auditorium

EDBT Session 14: Query Optimization and Execution in Analytical DBMS
[Session Chair: Boris Glavic]

CAMEL Hash Table: striking a balance between CPU and memory efficiency in main-memory hash join
(Sudip Chatterjee, Xiaozheng Zhang, Suprio Ray, Ian Finlay, Calisto Zuzarte, Mark Stoodley)
Optimizing UDF Queries in SQL Data Engines
(Kostantinos Chasialis, Yannis Foufoulas, Alkis Simitsis, Yannis Ioannidis)
Unleashing Data Dependency-based Query Optimization
(Daniel Lindner, Daniel Ritter, Felix Naumann)

A4 Auditorium

EDBT Session 15: Declarative In-Database Machine Learning and Modeling
[Session Chair: Stefania Dumbrava]

In-Database Text Classification with BornSQL
(Emanuele Guidotti, Darya Shlyk, Stefano Montanelli, Alfio Ferrara)
[Vision Paper] A Functional Data Model and Query Language is All You Need
(Jens Dittrich)
[Industrial & Applications] A Declarative, Recursive SQL Framework for Composable Machine Learning Ensembles
(Jason Arnold, Knut Stolze, Dan Zollers, Poojan Khanpara)

A2a Auditorium

Tutorial 4: The Quest for Faster ANN Vector Search
(Manos Chatzakis, Francesca Del Gaudio, Sophia Sideri, Themis Palpanas)

A3 Auditorium

Tutorial 5: Streams Meet Semantics: Foundations and Systems of RDF Stream Processing
(Haridimos Kondylakis, Olivier Curé, Pieter Bonte, Riccardo Tommasini)

Coffee Break [Main Auditorium Foyer]

12:00 PM
-
1:00 PM

A1 Auditorium

EDBT Session 16: Scalable Vector Indexing and Retrieval Optimization
[Session Chair: Toni Taipalus]

Accelerating Graph Construction for MIPS without Search Accuracy Loss
(Yasuhiro Fujiwara, Angel Lopez, Yu Mitsuzumi, Yasutoshi Ida, Atsutoshi Kumagai, Masahiro Nakano, Makoto Nakatsuji, Akisato Kimura)
[Industrial & Applications] Efficient Retrieval Scaling with Hierarchical Indexing for Large Scale Recommendation
(Dongqi Fu, Kaushik Rangadurai, Haiyu Lu, Yunchen Pu, Siyang Yuan, Minhui Huang, Yiqun Liu, Golnaz Ghasemiesfeh, Xingfeng He, Fangzhou Xu, Andrew Cui, Vidhoon Viswanathan, Lin Yang, Liang Wang, Jiyan Yang, Chonglin Sun)
Distance Comparison Operation Optimization in ANNS: A Survey and Experimental Evaluation
(Bohai Wang, Yanhao Wang, Huiqi Hu, Weichen Zhao, Minghao Zhao)

A4 Auditorium

EDBT Session 17: Automated Data Acquisition and Transformation Systems
[Session Chair: Maurice van Keulen]

ReFRED: Reliable Function REtrieval for Data transformation
(Yueting Chen, Nick Koudas, Xiaohui Yu)
Efficient Crawling for Scalable Web Data Acquisition
(Antoine Gauquier, Ioana Manolescu, Pierre Senellart)
[Industrial & Applications] Automating Efficient Data Collection through the Synergy of Agentic AI and Active Learning
(Yael Einy, Guy Dar, Slava Novgorodov, Tova Milo, Nave Frost)

A2a Auditorium

Tutorial 4 (cont): The Quest for Faster ANN Vector Search
(Manos Chatzakis, Francesca Del Gaudio, Sophia Sideri, Themis Palpanas)

A3 Auditorium

Tutorial 5 (cont): Streams Meet Semantics: Foundations and Systems of RDF Stream Processing
(Haridimos Kondylakis, Olivier Curé, Pieter Bonte, Riccardo Tommasini)