| Vol-2841 urn:nbn:de:0074-2841-6 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).

# EDBT/ICDT-WS 2021
EDBT/ICDT 2021 Workshops

### Proceedings of the Workshops of the EDBT/ICDT 2021 Joint Conference

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

Edited by

### EDBT/ICDT 2021 Workshops Proceedings Chair
Constantinos Costa, University of Pittsburgh, Pittsburgh, PA 15213, USA

### EDBT/ICDT 2021 Workshops Chair
Evaggelia Pitoura, University of Ioannina, Greece

### Program Chairs of EDBT/ICDT 2021 Workshops
Nikos Bikakis, ATHENA Research Center, Greece
Panos K. Chrysanthis, University of Pittsburgh, USA
George Papastefanatos, ATHENA Research Center, Greece
Tobias Schreck, CGV - Graz University of Technology, Austria
Cyril Ray, Arts & Métiers - ParisTech and Naval Academy Research Inst., France
Chiara Renso, ISTI - CNR Pisa, Italy
Mahmoud Sakr, Université Libre de Bruxelles, Belgium
Yannis Theodoridis, University of Piraeus, Greece
Tania Cerquitelli, Politecnico di Torino, Italy
Silvia Chiusano, Politecnico di Torino, Italy
Genoveva Vargas-Solar, CNRS, LIRIS-LAFMIA, France
Antonios Deligiannakis, Technical University of Crete, Greece
Manolis Koubarakis, National and Kapodistrian University of Athens, Greece
Dimitris Skoutas, Athena Research Center, Greece
Riccardo Torlone, Roma Tre University, Italy
Letizia Tanca, Politecnico di Milano, Italy
Donatella Firmani, Roma Tre University, Italy
Elena Nieddu, Roma Tre University, Italy

## Table of Contents

- Preface

### BigVis 2021: 4th International Workshop on Big Data Visual Exploration and Analytics

- BigDataVoyant: Automated Profiling of Large Geospatial Data
  Pantelis Mitropoulos, Kostas Patroumpas, Dimitrios Skoutas, Thodoris Vakkas, Spiros Athanasiou
- Browsing Internet Content in Multiple Dimensions
  Tiger Cross, Riccardo Bovo, Thomas Heinis
- SenseBoard: Sensor Monitoring for Air Quality Experts
  Federica Rollo, Laura Po
- Real-time visualization of profiling metadata upon data insertions
  Loredana Caruccio, Stefano Cirillo, Vincenzo Deufemia, Giuseppe Polese
- Graph Cities: Their Buildings, Waves, and Fragments
  James Abello, Daniel Nakhimovich, Chengguizi Han, Mridul Aanjaneya
- Visual Analysis of Player Interactions in Soccer Games
  Ivona Ivkovic-Kihic, Daniel Seebacher, Manuel Stein, Tobias Schreck, Reinhold Preiner

### BMDA 2021: 4th International Workshop on Big Mobility Data Analytics

- Local Anomaly Detection In Maritime Traffic Using Visual Analytics
  Fernando Henrique Oliveira Abreu, Amílcar Soares, Fernando V. Paulovich, Stan Matwin
- A Denoising Hybrid Model for Anomaly Detection in Trajectory Sequences
  Maria Liatsikou, Symeon Papadopoulos, Lazaros Apostolidis, Ioannis Kompatsiaris
- Online trajectory analysis with scalable event recognition
  Emmanouil Ntoulias, Elias Alevizos, Alexander Artikis, Athanasios Koumparos
- A tutorial on network-wide multi-horizon traffic forecasting with deep learning
  Giovanni Buroni, Gianluca Bontempi, Karl Determe
- Micro-environment Recognition in the context of Environmental Crowdsensing
  Mohammad Abboud, Hafsa El Hafyani, Jingwei Zuo, Karine Zeitouni, Yehia Taher
- City Indicators for Mobility Data Mining
  Mirco Nanni, Agnese Bonavita, Riccardo Guidotti
- Notebook-based Visual Analysis of Large Tracking Datasets
  Anita Graser
- Multiple aspect trajectories: a case study on fishing vessels in the Northern Adriatic sea
  Giulia Rovinelli, Stan Matwin, Fabio Pranovi, Elisabetta Russo, Claudio Silvestri, Marta Simeoni, Alessandra Raffaetà
- Online Co-movement Pattern Prediction in Mobility Data
  Andreas Tritsarolis, Eva Chondrodima, Panagiotis Tampakis, Aggelos Pikrakis

### DARLI-AP 2021: 5th International workshop on Data Analytics solutions for Real-LIfe Applications

- Needle in a haystack queries in cloud data lakes
  Grisha Weintraub, Ehud Gudes, Shlomi Dolev
- Profiling industrial vehicle duties using CAN bus signal segmentation and clustering
  Silvia Buccafusco, Andrea Megaro, Luca Cagliero, Francesco Vaccarino, Lucia Salvatori, Riccardo Loti
- Trust-empowered, IoT-driven Legitimate Data Offloading
  Zakaria Maamar, Noura Faci, Fadwa Yahya, Ejub Kajan
- Managing Data in a Big Financial Institution: Conclusions from a R&D Project
  Mariusz Sienkiewicz, Robert Wrembel
- Automating Bronchoconstriction Analysis based on U-Net
  Christian Steinmeyer, Susann Dehmel, David Theidel, Armin Braun, Lena Wiese
- The impact of Auto-Sklearn’s Learning Settings: Meta-learning, Ensembling, Time Budget, and Search Space Size
  Hassan Eldeeb, Oleh Matsuk, Mohamed Maher, Abdelrhman Eldallal, Sherif Sakr
- Double-Step deep learning framework to improve wildfire severity classification
  Simone Monaco, Andrea Pasini, Daniele Apiletti, Luca Colomba, Alessandro Farasin, Paolo Garza, Elena Baralis
- Conversational Question Answering Using a Shift of Context
  Nadine Steinmetz, Bhavya Senthil-Kumar, Kai-Uwe Sattler
- Towards human in the loop based query rewriting for exploring datasets
  Genoveva Vargas-Solar, Mehrdad Farokhnejad, Javier A. Espinosa-Oviedo
- Enhancing the friendliness of data analytics tasks: an automated methodology
  Paolo Bethaz, Tania Cerquitelli
- Emotion and sentiment analysis of tweets using BERT
  Andrea Chiorrini, Claudia Diamantini, Alex Mircoli, Domenico Potena

### PIE+Q 2021: 3rd International Workshop on Processing Information Ethically, a plus for data Quality

- Data Wrangling for Fair Classification
  Lacramioara Mazilu, Nikolaos Konstantinou, Norman Paton, Alvaro A. A. Fernandes
- The impact of rewriting on coverage constraint satisfaction
  Chiara Accinelli, Barbara Catania, Giovanna Guerrini, Simone Minisi
- NOAH: Creating Data Integration Pipelines over Continuously Extracted Web Data
  Valerio Cetorelli, Valter Crescenzi, Paolo Merialdo, Roger Voyat
- FAIR-DB: FunctionAl DependencIes to discoveR Data Bias
  Fabio Azzalini, Chiara Criscuolo, Letizia Tanca
- Data Challenges in Disinformation Diffusion Analysis
  Paolo Papotti
- The Many Facets of Data Equity
  H. V. Jagadish, Julia Stoyanovich, Bill Howe

### SIMPLIFY 2021: 1st International Workshop on Data Analytics and Machine Learning Made Simple

- What’s Mine is Yours, What’s Yours is Mine: Simplifying Significance Testing With Big Data
  Karan Matnani, Valerie Liptak, George Forman
- Scale-independent Data Analysis with Database-backed Dataframes: a Case Study
  Phanwadee Sinthong, Michael Carey, Yuhan Yao
- Speculative Execution of Similarity Queries: Real-Time Parameter Optimization through Visual Exploration
  Thilo Spinner, Udo Schlegel, Martin Schall, Fabian Sperrle, Rita Sevastjanova, Beatrice Gobbo, Julius Rauscher, Mennatallah El-Assady, Daniel A. Keim
- Weighted Load Balancing Mechanisms over Streaming Big Data for Online Machine Learning
  Petros Petrou, Sophia Karagiorgou, Dimitrios Alexandrou
- An Empirical Evaluation of Early Time-Series Classification Algorithms
  Evgenios Kladis, Charilaos Akasiadis, Evangelos Michelioudakis, Elias Alevizos, Alexandros Artikis
- Easy Spark
  Ylaise van den Wildenberg, Wouter W.L. Nuijten, Odysseas Papapetrou
- Storage Management in Smart Data Lake
  Haoqiong Bian, Bikash Chandra, Ioannis Mytilinis, Anastasia Ailamaki
- Simplifying Impact Prediction for Scientific Articles
  Thanasis Vergoulis, Ilias Kanellos, Giorgos Giannopoulos, Theodore Dalamagas
- MRbox: Simplifying Working with Remote Heterogeneous Analytics and Storage Services via Localised Views
  Athina Kyriakou, Iraklis Angelos Klampanos
- Multi-Attribute Similarity Search for Interactive Data Exploration
  Kostas Patroumpas, Alexandros Zeakis, Dimitrios Skoutas, Roberto Santoro
- Simplifying p-value calculation for the unbiased microRNA enrichment analysis, using ML-techniques
  Konstantinos Zagganas, Maria Lioli, Thanasis Vergoulis, Theodore Dalamagas

2021-03-23: submitted by Constantinos Costa, 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|