Vol-2572
urn:nbn:de:0074-2572-0

Copyright © 2020 for the individual papers by the papers' authors. Copyright © 2020 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 2020
Design, Optimization, Languages and Analytical Processing of Big Data

Proceedings of the 22nd International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data
co-located with EDBT/ICDT 2020 Joint Conference (EDBT/ICDT 2020)

Copenhagen, Denmark, March 30, 2020.

Edited by

Il-Yeol Song *
Katja Hose
Oscar Romero *

* Drexel University, Philadelphia, USA
** Aalborg University, Aalborg, Denmark
*** Universitat Politècnica de Catalunya - BarcelonaTech, Barcelona, Spain

Table of Contents

Preface

Katja Hose, Oscar Romero, Il-Yeol Song

Invited Talk

Exploring RDF Graphs through Summarization and Analytic Query Discovery 1-5
Ioana Manolescu

Regular Papers

Towards Conversational OLAP 6-15
Matteo Francia, Enrico Gallinucci, Matteo Golfarelli
Query-Centric Regression for In-DBMS Analytics 16-25
Qingzhi Ma, Peter Triantafillou
KD-means: Clustering Method for Massive Data based on KD-tree 26-35
Nabil El Malki, Franck Ravat, Olivier Teste
Hierarchical Property Set Merging for SPARQL Query Optimization 36-45
Marios Meimaris, George Papastefanatos, Panos Vassiliadis
Learning Analysis Patterns using a Contextual Edit Distance 46-55
Clément Moreau, Verónika Peralta, Patrick Marcel, Alexandre Chanson, Thomas Devogele
Query Optimization for Large Scale Clustered RDF Data 56-65
Ishaq Zouaghi, Amin Mesmoudi, Jorge Galicia, Ladjel Bellatreche, Taoufik Aguili
To Each His Own: Accommodating Data Variety by a Multimodel Star Schema 66-73
Sandro Bimonte, Yassine Hifdi, Mohammed Maliari, Patrick Marcel, Stefano Rizzi

Short Papers

On Evaluating Performance of Balanced Optimization of ETL Processes for Streaming Data Sources 74-78
Michal Bodziony, Szymon Roszyk, Robert Wrembel
Large Scale Querying and Processing for Property Graphs 79-83
Mohamed Ragab
An Approach to Automatically Detect and Visualize Bias in Data Analytics 84-88
Ana Lavalle, Alejandro Maté, Juan Trujillo
Position Caching in a Column-Store with Late Materialization: An Initial Study 89-93
Viacheslav Galaktionov, Evgeniy Klyuchikov, George Chernishev
The Traveling Analyst Problem: Definition and Preliminary Study 94-98
Alexandre Chanson, Ben Crulis, Nicolas Labroche, Patrick Marcel, Verónika Peralta, Stefano Rizzi, Panos Vassiliadis

2020-03-11: submitted by Oscar Romero, metadata incl. bibliographic data published under Creative Commons CC0
2020-03-13: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|