20th Century Press Archives goes Wikidata
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ZBW is a member of the Leibniz Association and maintains the 20th Century Press Archives. The archives contain over 1 million digitized newspaper clippings from 1500+ newspapers covering persons, companies, products, and events. To ensure long term sustainability, ZBW is making the folder metadata from the archives openly available on Wikidata to allow for improved discovery, access, and maintenance of the metadata. Over 90% of person folders from the archives have already been linked on Wikidata. This integration with Wikidata will provide new interfaces and APIs for working with the press archive metadata.
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20th Century Press Archives goes Wikidata
- 1. ZBW is member of the Leibniz Association 20th Century Press Archives goes Wikidata Joachim Neubert ZBW – Leibniz Information Centre for Economics Lightning Talk at ELAG 2019, Berlin, 10.5.2019
- 2. https://commons.wikimedia.org/wiki/File:ZBW-Personenarchiv_2015.jpg by Max-Michael Wannags What are we dealing with?
- 3. Page 3 What are we dealing with? • Historic Press Archives, founded in 1909 (Hamburg) and 1914 (Kiel), collections closed in 2005 • Clippings from > 1500 newspapers all over the world • Digitized in DFG funded project 2004-2007 • One million documents available online • 25,000 thematic dossiers covering o Persons o Companies o Products o General subjects and events
- 4. Long term sustainability? Specialized application for discovery and access, architecturally outdated and expensive to maintain Page 4 http://webopac.hwwa.de/pressemappe20
- 5. Wikidata as a plattform for the folder metadata • Since recently, all PM20 metadata under CC0 • Wikidata property „PM20 folder ID“ (P4293) for links • Matching with Wikidata tools o > 90 % of persons folders are already linked • Based on the mapping, step by step other properties from PM20 (e.g., birth dates of persons) can added automatically • Missing Wikidata items can be added automatically • Wikidata interfaces and APIs for discovery, access and further metadata enhancement and maintenance Page 5
- 6. „Proof of concept“ example: Map of economists Page 6 Query link (on Wikidata SPARQL endpoint)
- 7. Wikiproject 20th Century Press Archives Page 7 https://www.wikidata.org/wiki/Wikidata:WikiProject_20th_Century_Press_Archives
- 8. Page 8 Thanks for listening! Joachim Neubert ZBW – Leibniz Information Centre for Economics [email protected] http://zbw.eu/labs https://www.wikidata.org/wiki/User:Jneubert