Open Data and Open Government

Part 6: WikiCite

Introduction & Motivation

What is WikiCite?

• Project around Wikipedia, Wikidata, …
• Free bibliographic database in Wikidata
  • Bibliographic Metadata
  • Citation data
  • Collaborative Cataloging (Social Cataloging)
  • open data (CC0)

Size

Publications: 19 million Wikidata entries
Citations: 60 million citations in Wikidata

Motivation for Wikipedia

Provide evidence for statements, e.g.

Vision: Provide bibliographic metadata central for all articles and language versions

Motivation for Wikidata

Verify facts in Wikidata with references,
e.g. highest point in Berlin

Evaluation and visualization of publication data

Fig. Screenshot of Scholia: https://tools.wmflabs.org/scholia/

Evaluation and visualization of citation data

Fig. Screenshot of Scholia: https://tools.wmflabs.org/scholia/

Implementation of WikiCite

Wikidata data model

• Metadata
• Books,
• Periodicals…
• E.g. Q30000000

Link to standards data

• Wikidata is itself a universal standard file
• Links to external entries
  • DOI, ISBN, PMID, arXiv-ID, … (Publications)
  • GND, VIAF, ORCID, dblp-ID, … (Authors…)
  • …
• 2824 of 4741 Wikidata properties serve the linking with other databases

Query WikiCite

• Examples:
  • Books written together by parents and children: http://tinyurl.com/y7oe8uo8
  • Authors whose works became public domain in 2018: http://tinyurl.com/yc8v6l9c
  • Most cited female scientists http://tinyurl.com/y9ay3fcy (the older query http://tinyurl.com/y8ell8nw times out)

Perspectives for libraries

Reuse of data from Wikidata

• Catalogue enrichment for standards data
• multilingual keyword search
• Article index for Discovery from Wikidata?
• Catalogue enrichments with open citation data?

Ideas for cataloging tools

• Can data collection approaches in Wikidata also be used for cataloguing?
• Aren't batch processing tools in greater demand?
• What about control and auditing tools?

Scope of cataloging

• Catalogue of articles
  • Topic for libraries?
  • WikiCite shows that it is possible.
• Cataloguing of citations
• Can libraries contribute to open citation data?
• Save citation data in union catalog?
• Linked Open Citation Database (LOC-DB)

Questions / Discussion / Answers?

Further Reading

• Jakob Voß, Philipp Zumstein (2018): WikiCite als kollaborativer Ansatz für offene Zitationsdaten. https://ub-madoc.bib.uni-mannheim.de/45483/
• Dario Taraborelli Daniel Mietchen Andy Mabbett Andra Waagmeester (2018): Lifting a veil on the sources of free knowledge: A WikiCite workshop. https://doi.org/10.6084/m9.figshare.6863774.v1
• Philipp Zumstein, Konrad Förstner (2017): Tagungsbericht WikiCite 2017. O-Bib, 4(3), 106-112. https://doi.org/10.5282/o-bib/2017H3S106-112