Vol-2571⫷ Vol-2572 ⫸Vol-2573
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 |