DOLAP 2025
Design, Optimization, Languages and Analytical Processing of Big Data 2025

Table of Contents

• Preface
  Alejandro Maté, Matteo Lissandrini

Regular papers

• Impact Study of NoSQL Refactoring in SkyServer Database 1-11
  Enrico Gallinucci, Matteo Golfarelli, Wafaa Radwan, Gabriel Zarate, Alberto Abelló
• Finding comparison insights in multidimensional datasets 12-21
  Patrick Marcel, Claire Antoine, Alexandre Chanson, Nicolas Labroche
• Counterfactual Explanations for Group Recommendations 22-30
  Maria Stratigi, Nikos Bikakis, Kostas Stefanidis
• Entity Matching with 7B LLMs: A Study on Prompting Strategies and Hardware Limitations 31-38
  Ioannis Arvanitis-Kasinikos, George Papadakis
• Optimizing Big Active Data Management Systems 39-48
  Shahrzad Haji Amin Shirazi, Xikui Wang, Michael Carey, Vassilis Tsotras

Short papers

• A Diversity-aware Approach to Bundle Recommendations 49-53
  Nastaran Ebrahimi, Zheying Zhang, Kostas Stefanidis
• Causal Banzhaf Value for aggregate query explanations 54-58
  Pouya Khani, Ira Assent
• The Case for Instance-Optimized LLMs in OLAP Databases 59-63
  Bardia Mohammadi, Laurent Bindschaedler
• Using ChatGPT to refine draft conceptual schemata in supply-driven design of multidimensional cubes 64-68
  Stefano Rizzi
• Beyond Row Counts: Enhancing Workload-Aware Data Synthesis 69-73
  Anupam Sanghi
• Workload Cost Optimization Using Dynamic Replication in Decentralized Systems 74-78
  Ryoga Yoshida, Chuan Xiao, Makoto Onizuka
• Exploring Content-Based Catalogs for Enhanced Discovery Services in Data Spaces 79-84
  Adriana Morejón, Alberto Berenguer, Lucía de Espona, David Tomás, Jose-Norberto Mazón

Panel papers

• Challenges to Enforce Data Quality in Data Spaces 85-87
  Claudia Ayala, Besim Bilalli, Cristina Gómez, Jose-Norberto Mazón, Oscar Romero
• Toward Advanced Query Processing in Dataspaces 88-90
  Christoph Quix
• Data Analytics and Artificial Intelligence in the new scenario of Data Spaces 91-92
  Juan Trujillo, Gustavo Candela, Alejandro Reina-Reina