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20th Century Press Archives goes Wikidata

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Vortrag beim Archivcamp in Rostock, 25.9.2018

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20th Century Press Archives goes Wikidata

  1. 1. ZBW is member of the Leibniz Association 20th Century Press Archives goes Wikidata Joachim Neubert ZBW – Leibniz Information Centre for Economics Archivcamp, Rostock 25.9.2018
  2. 2. Page 2 What are we dealing with?
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  5. 5. Page 5 What are we dealing with? Historic Press Archives, founded in 1909 (Hamburg) and 1914 (Kiel) • Some material dating back to 1826 • Collections closed in 2005 Thematic dossiers covering • Persons • Companies • Products • General subjects and events
  6. 6. Page 6 Current state Former DFG funded project, resulting in • Digitized roll films (material before 1949) • Relational database about dossiers, often with GND ID • Big filesystem (containing roughly 1.8m pages) • Accessible via • custom application “Pressemappe 20. Jahrhundert” and • DFG-Viewer (METS/MODS files, per dossier) All metadata available under CC 0 license
  7. 7. Why Wikidata? Page 7
  8. 8. Wikidata basics • Knowledge base for Wikimedia projects • All kinds of entities: concepts, places, people, works … • Editable by everyone • Data available (under CC0) • http://query.wikidata.org/ (SPARQL) • JSON API & database dumps Page 8
  9. 9. Wikidata statements Page 9
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  11. 11. Linking mechanism: external identifiers • Property value: unique IDs from external database • + URL stub in the property definition („formatter URL“) • More than 3,000 external identifier properties • Examples: • GND • proteins • African plants • Swedish cultural heritage objects Page 11
  12. 12. Wikidata property P4293 (PM20 folder ID) • Property proposal and discussion within the community • Automatically inserted links derived from GND IDs • Tool-supported manual linking Page 12
  13. 13. Checking proposed matches in Mix‘n‘match Seite 13
  14. 14. „Proof of concept“ example: Map of economists Page 14 Query link (Wikidata SPARQL endpoint)
  15. 15. Display via DFG Viewer link Page 15
  16. 16. Dataset for „Coding da Vinci 2018“ Dataset, API (SPARQL endpoint) and documentation for persons and comapnies/organizations: https://doi.org/10.5281/zenodo.1410553 More info on the Coding da Vinci Kultur-Hackathon: https://codingdavinci.de/ Page 16
  17. 17. Page 17 Thanks for listening! Joachim Neubert ZBW – Leibniz Information Centre for Economics j.neubert@zbw.eu http://webopac.hwwa.de/pressemappe20 http://zbw.eu/labs https://www.wikidata.org/wiki/User:Jneubert

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