27th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data

Co-located with EDBT/ICDT 2025, Barcelona, Spain - March 25, 2025

Program

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

9:00-10:00 Opening, Research Session I - Recommendations

  • DOLAP 2025 Opening - Matteo Lissandrini, Alejandro Maté
  • Maria Stratigi, Niks Bikakis, Konstas Stefanidis. Counterfactual Explanations for Group Recommendations
  • Nastaran Ebrahimi, Zheying Zhang, Kostas Stefanidis. A Diversity-aware Approach to Bundle Recommendations (Short paper)

10:30-12:30 Keynote, Panel, & Data Spaces

  • Keynote - Edward Curry. The Symbiotic Relationship between Data Spaces and AI. Challenges and Trends
  • Interactive Panel Session - Federated and Distributed Data Spaces
    • Claudia Ayala, Besim Bilalli, Cristina Gómez, José-Norberto Mazón, Oscar Romero. Challenges to Enforce Data Quality in Data Spaces
    • Christoph Quix. Toward Advanced Query Processing in Dataspaces
    • Juan Trujillo, Gustavo Candela, Alejandro Reina-Reina. Data Analytics and Artificial Intelligence in the new scenario of Data Spaces
  • Adriana Morejón, Alberto Berenguer, Lucía de Espona, David Tomás, José-Norberto Mazón. Exploring Content-Based Catalogs for Enhanced Discovery Services in Data Spaces (Short paper)

12:30-14:00 Lunch

14:00 - 15:30 Best paper, Research Session II - Insights & Analytics

  • Best paper - Enrico Gallinucci, Matteo Golfarelli, Wafaa Radwan, Gabriel Zarate, Alberto Abelló. Impact Study of NoSQL Refactoring in SkyServer Database
  • Patrick Marcel, Claire Antoine, Alexandre Chanson, Nicolas Labroche. *Finding comparison insights in multidimensional datasets
  • Stefano Rizzi. Using ChatGPT to refine draft conceptual schemata in supply-driven design of multidimensional cubes (Short paper)*
  • Pouya Khani, Ira Assent. Causal Banzhaf Value for aggregate query explanations (Short paper)
  • Bardia Mhammadi, Laurent Bindschaedler. The Case for Instance-Optimized LLMs in OLAP Databases (Short paper)

16:00 - 17:30 Research Session III - Optimization and workload

  • Shahrzad Haji Amin Shirazi, Xikui Wang, Michael Carey, Vassilis Tsotras. Optimizing Big Active Data Management Systems
  • Ioannis Arvanitis-Kasinikos, George Papadakis. Entity Resolution with 7B LLMs: A Study on Prompting Strategies and Hardware Limitations
  • Ryoga Yoshida, Chuan Xiao, Makoto Onizuka. Workload Cost Optimization Using Dynamic Replication in Decentralized Systems (Short paper)
  • Anupam Sanghi. Beyond Row Counts: Enhancing Workload-Aware Data Synthesis (Short paper)

17:30-19:00 Steering Committee meeting.