| Vol-3262 urn:nbn:de:0074-3262-0 Copyright © 2022 for the individual papers by the papers' authors. Copyright © 2022 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).

# Wikidata 2022
Wikidata Workshop 2022

### Proceedings of the 3rd Wikidata Workshop 2022
co-located with the 21st International Semantic Web Conference (ISWC2022)

### Virtual Event, Hanghzou, China, October 2022.

Edited by

### Lucie-Aimée Kaffee*
Simon Razniewski**
Gabriel Amaral***
Kholoud Saad Alghamdi***

* University of Copenhagen, Denmark
** Max Planck Institute for Informatics, Germany
*** King's College London, UK

## Table of Contents

- Preface: Wikidata Workshop 2022
  Lucie-Aimée Kaffee, Simon Razniewski, Gabriel Amaral, Kholoud Saad Alghamdi
  Summary: There were a total of 18 submissions to the novel track of the workshop. We accepted 16 papers for this volume. The workshop also received 8 already published submissions, of which we accepted 6.

### Session 1: Wikidata Ontology and Schema

- Formalizing Property Constraints in Wikidata Nicolas Ferranti, Axel Polleres, Jairo Francisco De Souza, Shqiponja Ahmetaj
- Towards improving Wikidata reuse with emerging patterns Valentina Anita Carriero, Paul Groth, Valentina Presutti
- WShEx: A language to describe and validate Wikibase entities Jose Emilio Labra Gayo
- Analysis of Consistency between Wikidata and Wikipedia categories Leila Feddoul, Frank Löffler, Sirko Schindler
- Analysing the Evolution of Community-Driven (Sub-)Schemas within Wikidata Sofia Baroncini, Margherita Martorana, Mario Scrocca, Zuzanna Smiech, Axel Polleres
- Analysing and promoting ontology interoperability in Wikibase Daniil Dobriy, Axel Polleres
- Property cardinality analysis to extract truly tabular query results from Wikidata Wolfgang Fahl, Tim Holzheim, Andrea Westerinen, Christoph Lange, Stefan Decker

### Session 2: Wikidata Querying and Quality

- Enriching Wikidata with Linked Open Data Bohui Zhang, Filip Ilievski, Pedro Szekely
- Getting and hosting your own copy of Wikidata Wolfgang Fahl, Tim Holzheim, Andrea Westerinen, Christoph Lange , Stefan Decker
- Easily setting up a local Wikidata SPARQL endpoint using the qEndpoint Antoine Willerval, Dennis Diefenbach, Pierre Maret
- Identifying Surprising Facts in Wikidata Nicholas Klein, Filip Ilievski, Hayden Freedman, Pedro Szekely
- Hybrid Structured and Similarity Queries over Wikidata plus Embeddings with Kypher-V Hans Chalupsky, Pedro Szekely

### Session 3: Personalisation and usability

- Collaborative and AI-aided Exam Question Generation using Wikidata in Education Philipp Scharpf, Moritz Schubotz, Andreas Spitz, Andre Greiner-Petter, Bela Gipp
- Rule-Based Link Prediction over Event-Related Causal Knowledge in Wikidata Sola Shirai, Aamod Khatiwada, Oktie Hassanzadeh, Debarun Bhattacharjya
- Wikidata and Wikibase as complementary research data management services for cultural heritage data Lozana Rossenova, Paul Duchesne, Ina Blümel
- Wikidata to Bootstrap an Enterprise Knowledge Graph: How to Stay on Topic? Lucas Jarnac, Pierre Monnin

2022-10-12: submitted by Simon Razniewski, metadata incl. bibliographic data published under Creative Commons CC0
2022-11-03: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|