| Vol-2958 urn:nbn:de:0074-2958-5 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).

# ER-Demos-Posters 2021
ER Demos and Posters 2021

### Proceedings of the ER Demos and Posters 2021
co-located with 40th International Conference on Conceptual Modeling (ER 2021)

### St. John's, NL, Canada, October 18-21, 2021.

Edited by

### Roman Lukyanenko *
Binny Samuel **
Arnon Sturm ***

* HEC Montreal, Canada
** University of Cincinnati, USA
*** Ben-Gurion University of the Negev, Israel

## Table of Contents

- Preface
  Summary: There were 14 papers submitted for peer-review to this track. Out of these, 9 papers were accepted for this volume.

### Reviewed Papers

- Multilevel Modeling with ConceptBase 1-6
  Manfred A. Jeusfeld
- MORTAL: A Tool of Automatically Designing Relational Storage Schemas for Multi-model Data through Reinforcement Learning 7-12
  Gongsheng Yuan, Jiaheng Lu
- Conceptual Modelling of Log Files: From a UML-based Design to JSON Files 13-18
  Evelina Rakhmetova, Carlo Combi, Andrea Fruggi
- A Test Suite for JSON Schema Containment 19-24
  Lyes Attouche, Mohamed-Amine Baazizi, Dario Colazzo, Yunchen Ding, Michael Fruth, Giorgio Ghelli, Carlo Sartiani, Stefanie Scherzinger
- Automated Assistance for Data Modelers combining Natural Language Processing and Data Modeling Heuristics: A Prototype Demonstration 25-30
  Benjamin Ternes, Kristina Rosenthal, Stefan Strecker
- Towards the Comparison of Blockchain-based Applications Using Enterprise Modeling 31-36
  Simon Curty, Felix Härer, Hans-Georg Fill
- Towards Automated Schema Optimization 37-42
  André Conrad, Sebastian Gärtner, Uta Störl
- Just-In-Time Modeling with DataMingler 43-48
  Damianos Chatziantoniou, Verena Kantere
- Initial Concepts for Augmented and Virtual Reality-based Enterprise Modeling 49-54
  Fabian Muff, Hans-Georg Fill

2021-09-25: submitted by Arnon Sturm, metadata incl. bibliographic data published under Creative Commons CC0
2021-09-27: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|