| Vol-3023 urn:nbn:de:0074-3023-3 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).

# VOILA! 2021
Visualization and Interaction for Ontologies and Linked Data 2021

### Proceedings of the Sixth International Workshop on the Visualization and Interaction for Ontologies and Linked Data
co-located with the 20th International Semantic Web Conference (ISWC 2021)

### Virtual Conference, 2021.

Edited by

### Patrick Lambrix *
Catia Pesquita **
Vitalis Wiens ***

* Linköping University and University of Gävle, Sweden
** LASIGE, Faculdade de Ciências, University of Lisbon, Portugal
*** Leibniz University Hanover, Germany

## Table of Contents

- Preface
  Summary: There were 13 papers submitted for peer-review to this workshop. Out of these, 10 papers were accepted for this volume, 7 as regular papers and 3 as short papers.

- A First Step towards a Tool for Extending Ontologies 1-12
  Mina Abd Nikooie Pour, Huanyu Li, Rickard Armiento, Patrick Lambrix
- A Survey on User Interaction with Linked Data 13-28
  Mariana Aguiar, Sérgio Nunes, Bruno Giesteira
- Visual Presentation of SPARQL Queries in ViziQuer 29-40
  Kārlis Čerāns, Jūlija Ovčiņņikova, Mikus Grasmanis, Lelde Lāce, Aiga Romāne
- Fast Approximate Autocompletion for SPARQL Query Builders 41-55
  Gabriel de la Parra, Aidan Hogan
- RepOSE-CTab - A Protégé Plugin for Completing Ontologies (short paper) 56-62
  Zlatan Dragisic, Ying Li, Patrick Lambrix
- KG Explorer: a Customisable Exploration Tool for Knowledge Graphs 63-75
  Thibault Ehrhart, Pasquale Lisena, Raphaël Troncy
- Timelining Knowledge Graphs in the Browser (short paper) 76-81
  Damien Graux, Fabrizio Orlandi, Tanmay Kaushik, David Kavanagh, Hailing Jiang, Brian Bredican, Matthew Grouse, Dáithí Geary
- VOWLMap: Graph-based Ontology Alignment Visualization and Editing 82-94
  Ana Guerreiro, Catia Pesquita, Daniel Faria
- VizKG: A Framework for Visualizing SPARQL Query Results over Knowledge Graphs (short paper) 95-102
  Hana Raissya, Fariz Darari, Fajar J. Ekaputra
- Displaying Triple Provenance with Extensions of Fresnel 103-114
  Lloyd Rutledge, Pascal Mellema, Tije Pietersma, Stef Joosten

2021-11-11: submitted by Patrick Lambrix, metadata incl. bibliographic data published under Creative Commons CC0
2021-11-26: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|