| Vol-2982 urn:nbn:de:0074-2982-3 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).

# Wikidata 2021
Wikidata Workshop 2021

### Proceedings of the 2nd Wikidata Workshop (Wikidata 2021)
co-located with the 20th International Semantic Web Conference (ISWC 2021)

### Virtual Conference, October 24, 2021.

Edited by

### Lucie-Aimée Kaffee *
Simon Razniewski **
Aidan Hogan ***

* University of Copenhagen, Denmark
** Max Planck Institute for Informatics, Germany
*** DCC, Universidad de Chile, Chile

## Table of Contents

- Preface
- Mathematics in Wikidata
  Philipp Scharpf, Moritz Schubotz, Bela Gipp
- User-friendly Comparison of Similarity Algorithms on Wikidata (Short Paper)
  Filip Ilievski, Pedro Szekely, Gleb Satyukov, Amandeep Singh
- Reference Statistics in Wikidata Topical Subsets
  Seyed Amir Hosseini Beghaeiraveri, Alasdair Gray, Fiona McNeill
- Creating and Querying Personalized Versions of Wikidata on a Laptop
  Hans Chalupsky, Pedro Szekely, Filip Ilievski, Daniel Garijo, Kartik Shenoy
- Are Knowledge Graph Embedding Models Biased, or Is it the Data That They Are Trained on?
  Wessel Radstok, Melisachew Wudage Chekol, Mirko T. Schäfer
- Enriching Wikidata with Semantified Wikipedia Hyperlinks
  Armand Boschin, Thomas Bonald
- Modeling Syntactic Dependency Relationships in Wikidata Lexicographical Data (Short Paper)
  Mahir Morshed
- Coupling Wikipedia Categories with Wikidata Statements for Better Semantics (Short Paper)
  Houcemeddine Turki, Mohamed Ali Hadj Taieb, Mohamed Ben Aouicha
- Seeding Wikidata with Municipal Finance Data
  Bernhard Krabina, Axel Polleres
- Constructing demand-driven Wikidata Subsets
  Daniel Henselmann, Andreas Harth
- Wikidated 1.0: An Evolving Knowledge Graph Dataset of Wikidata’s Revision History
  Lukas Schmelzeisen, Corina Dima, Steffen Staab
- Building a Knowledge Graph of Events and Consequences Using Wikidata (Short Paper)
  Oktie Hassanzadeh
- WikiMetaData Studio: Dashboards From Data Profiling the Languages, Properties, and Items of Wikidata (Short Paper)
  Niel Chah, Periklis Andritsos

2021-10-13: submitted by Simon Razniewski, metadata incl. bibliographic data published under Creative Commons CC0
2021-10-14: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|