| Vol-2840 urn:nbn:de:0074-2840-3 Copyright © 2021 for the individual papers by the papers' authors. Copyright © 2021 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# DOLAP 2021
Design, Optimization, Languages and Analytical Processing of Big Data

### Proceedings of the 23rd International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data (DOLAP)
co-located with the 24th International Conference on Extending Database Technology and the 24th International Conference on Database Theory (EDBT/ICDT 2021)

### Nicosia, Cyprus, March 23, 2021.

Edited by

### Kostas Stefanidis *
Patrick Marcel **

* Tampere University, Finland
** University of Tours, France

## Table of Contents

- Effective data pre-processing for AutoML 1-10
  Joseph Giovanelli, Besim Bilalli, Alberto Abello
- A Foundation for Spatio-Textual-Temporal Cube Analytics 11-20
  Mohsin Iqbal, Matteo Lissandrini, Torben Bach Pedersen
- Estimating the job’s pending time on a High-Performance Computing cluster through a hierarchical data-driven methodology 21-30
  Fabio Carfi, Enrica Capitelli, Vladi Massimo Nosenzo, Tania Cerquitelli
- Coining goldMEDAL: A New Contribution to Data Lake Generic Metadata Modeling 31-40
  Etienne Scholly, Pegdwende N. Sawadogo, Pengfei Liu, Javier A. Espinosa-Oviedo, Cecile Favre, Sabine Loudcher, Jerome Darmont, Camille Nous
- Towards Local Post-hoc Recommender Systems Explanations 41-50
  Alexandre Chanson, Nicolas Labroche, Willeme Verdeaux
- MTCopula: Synthetic Complex Data Generation Using Copula 51-60
  Fodil Benali, Damien Bodenes, Nicolas Labroche, Cyril de Runz
- Learning Analysis Behavior in SQL Workloads 61-70
  Clement Moreau, Veronika Peralta
- An In-depth Investigation of Large-scale RDF Relational Schema Optimizations Using Spark-SQL 71-80
  Mohamed Ragab, Riccardo Tommasini, Feras M. Awaysheh, Juan Carlos Ramos
- MDORG: Annotation Assisted Rule Agents for Metadata Files 81-90
  Hiba Khalid, Esteban Zimanyi
- Adaptive Indexing for In-situ Visual Exploration and Analytics 91-100
  Stavros Maroulis, Nikos Bikakis, George Papastefanatos, Panos Vassiliadis, Yannis Vassiliou
- Using Fuzzy Vaults for Privacy Preserving Record Linkage 101-110
  Xhino Mullaymeri, Alexandros Karakasidis
- An Evaluation of Large Set Intersection Techniques on GPUs 111-115
  Christos Bellas, Anastasios Gounaris
- Exploring Data Using Patterns: A Survey and Open Problems 116-120
  Lukasz Golab, Divesh Srivastava
- An Empirical Study of Open Data JSON Files 121-125
  Mark Lukas Moller, Nic Scharlau, Meike Klettke

2021-03-24: submitted by Kostas Stefanidis, metadata incl. bibliographic data published under Creative Commons CC0
2021-03-26: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|