| Vol-2887 urn:nbn:de:0074-2887-2 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).

# SeDiT 2021
Semantic Digital Twins 2021

### Proceedings of the Second International Workshop on Semantic Digital Twins
co-located with the 18th Extended Semantic Web Conference (ESWC 2021)

### Hersonissos, Greece, June 6, 2021.

Edited by

### Raúl García-Castro *
John Davies **
Grigoris Antoniou ***
Carolina Fortuna ****

* Universidad Politécnica de Madrid, Ontology Engineering Group, ETSI Informáticos, Avda. Montepríncipe s/n, Boadilla del Monte, 28660 Madrid, Spain
** British Telecommunications plc, Future Business Systems Research, Adastral Park, Ipswich, IP5 3RE, UK
*** University of Huddersfield, Department of Computer Science, Huddersfield, HD1 3DH, UK
**** Institut Jožef Stefan, Ljubljana, Slovenia

## Table of Contents

- Preface
  Summary: There were 5 papers submitted for peer-review to this workshop. Out of these, 5 papers were accepted for this volume.

### Keynote

- Semantic Digital Twins for the Built Environment - a Key Facilitator for the European Green Deal? (Keynote)
  Jakob Beetz

### Research papers

- A Semantic Offsite Construction Digital Twin- Offsite Manufacturing Production Workflow (OPW) Ontology
  Kudirat Ayinla, Edlira Vakaj, Franco Cheung, Abdel-Rahman H. Tawil
- Towards Semantic Digital Twins for Social Networks
  Rafael Berlanga, Lledó Museros, Dolores M. Llidó, Ismael Sanz, María J. Aramburu
- Semantic Digital Twins for Organizational Development
  Alfonso Díez, Juan de Lara
- Steps towards a Dislocation Ontology for Crystalline Materials
  Ahmad Zainul Ihsan, Danilo Dessì, Mehwish Alam, Harald Sack, Stefan Sandfeld
- Semantic Digital Twins: Security and Scale for Constrained IoT Devices
  Evandro Pioli Moro, Alistair K. Duke

2021-06-02: submitted by Raúl García-Castro, metadata incl. bibliographic data published under Creative Commons CC0
2021-06-21: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|