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

Co-located with EDBT/ICDT 2026, Tampere, Finland - March 24, 2026

Program

Times are in CET - Central European Time (UTC+1h). Presenting authors are shown in green.

9:00 - 10:30 Opening, Research Session I - Optimization & Performance

  • DOLAP 2026 Opening - Eleni Tzirita Zacharatou, Alejandro Maté
  • Daniela Böhm, Georg Gottlob, Matthias Lanzinger, Davide Mario Longo, Cem Okulmus, Reinhard Pichler, Alexander Selzer. Selective Use of Yannakakis’ Algorithm for Consistent Performance Gains
  • Marios Iakovidis, Panos Vassiliadis. Multi-Query Optimization for the novel Analyze Operator
  • Emaz Uddin Ahmad, Maria Stratigi, Kostas Stefanidis. Adaptive Noise Injection in Variational Autoencoders for Enhancing Fairness in Group Recommendations (Short paper)

11:00 – 12:30 Keynote, Panel Sustainable Analytics

  • Keynote - Prof. Tilmann Rabl. A Look at the Ecological Impact of Big Data Systems
  • Interactive Panel on Sustainable Analytics

12:30 - 14:00 Lunch

14:00 – 15:30 Best Paper award, Research Session II - Large Language Models and Mappings

  • Alberto Abelló, Enrico Gallinucci. DORM: Dynamic Object-Relational Mapping
  • Felipe Vasconcelos, Cristina Aguiar, Alexandre Chanson, Mirian Halfeld-Ferrari, Patrick Marcel, Verónika Peralta. On the Efficacy of Using LLMs for Context Driven Entity Augmentation in Property Graphs
  • Laurent Bindschaedler. Semantic Caching for OLAP via LLM-Based Query Canonicalization (Short paper)
  • Alan Petit, Matthew Damigos, Laurent D’Orazio, Eleftherios Kalogeros. Computation of fuzzy joins over large collections of JSON data using semantic similarity (Short paper)
  • Takaaki Kanetsuki, Toshiyuki Amagasa. A Simple and Reliable Benchmark for Data Freshness in HTAP (Short paper)

16:00 - 17:30 Research Session III - Analytics

  • Styliani Kyrama, Anastasios Gounaris. Automated Pattern Extraction in Complex Event Processing systems
  • Vassilis Stamatopoulos, Panos Gidarakos, Stavros Maroulis, George Papastefanatos, Panos Vassiliadis. Interpretable Highlights for Experiment Tracking
  • Mahdi Esmailoghi, Steven Purtzel, Roee Shraga, Renée J. Miller, Matthias Weidlich. Every Data Lake Has a Past: Analytical Exploration of Wikipedia History as a Temporal Data Lake (Short paper)
  • Franziska Neuhof, Marco Fisichella, George Papadakis. End-to-End Deep Entity Resolution without Labelled Instances (Short paper)