ER-Companion 2026
Companion Proceedings of ER 2026

Table of Contents

• Preface
  

Demos and Posters

• Simpler is Better: JDT as a New Schema Language for JSON Documents 1–5
  Benedikt Sennebogen , Antoon Bronselaer , Toon Boeckling , Uta Störl , Meike Klettke
• Digital Archeology: LLM-Driven Relational Modeling of Banking Archives 6–10
  Andrea Colombo , Pietro Pinoli
• Spatial Conceptual Modeling of Robotic Tasks in Virtual Reality Using Petri Nets 11–15
  Naomi Feldmann , Daniel Borcard , Hans-Georg Fill , Simon Curty
• BPMNGen: A Conversational Environment for Collaborative and Multi-Perspective Process Modeling 16–20
  Luca Franziska Hörner , Maximilian Möller , Manfred Reichert
• PC-VERA: Process Compliance Verification, Extraction, and Repair 21–25
  Johannes Loebbecke , Marisol Barrientos , Karolin Winter , Juergen Mangler , Stefanie Rinderle-Ma
• A Tool for End-to-End Analytics: From Multi-driven Analytical Modeling to Goal-oriented Data Storytelling 26–30
  Luís Pedro Baptista , Vânia Sousa , Pedro Guimarães , António Vieira , Maribel Yasmina Santos
• Re-Using Design Time Artifacts for Model-Based Digital Twins in Collaborative Assembly 31–35
  Jeshwitha Jesus Raja , Shaza Elbishbishy , Yanire Gutierrez , Philipp Kranz , Marian Daun
• LLM-Assisted Semantic Assessment of Entity–Relationship Diagrams in Conceptual Modeling Education 36–40
  Meike Ullrich , Fabian Aisenbrey , Andreas Fritsch
• NoER: a Tool for End-to-End Design of Document Databases 41–45
  Andrea Avignone , Silvia Chiusano , Alessandro Fiori , Sara Giorza , Santa Panduri , Riccardo Torlone
• A Conceptual Model for Knowledge Management with Reference Implementation as a Filesystem 46–50
  Shivam Sharma , Mengxiang Jiang , Shraddha Sharma

Doctoral Consortium

• Operationalising Foundational Ontologies for Enforceable Data-Use Policy: A Case of Privacy Policy 51–60
  Alexandra Rowland
• Does Concept-Structured Text Decomposition Improve LLM-enabled Domain Modeling? An Exploratory Study of Its Decomposition Patterns 61–70
  Zixin Wu
• Extending Crowdsourcing Provenance Models to Represent AI-Assisted Contributions 71–79
  Samaneh Kiamanesh
• A Conceptual Meta-Model for Representing Proxy-Based Measurement in Information Systems Research 80–89
  Saba Malekpour Bejandi

Tutorials

• Building Executable Entity-Relationship Models 90–93
  Joshua Send
• Integrated Modeling of Statics & Dynamics: Integrating Data and Processes 94–96
  Bert de Brock
• An Overview of Process Modelling Languages and their Interrelationships 97-100
  Sander J.J. Leemans