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20th Century Press Archives goes Wikidata

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Lightning talk at ELAG 2019, Berlin

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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 Lightning Talk at ELAG 2019, Berlin, 10.5.2019
  2. 2. https://commons.wikimedia.org/wiki/File:ZBW-Personenarchiv_2015.jpg by Max-Michael Wannags What are we dealing with?
  3. 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. 4. Long term sustainability? Specialized application for discovery and access, architecturally outdated and expensive to maintain Page 4 http://webopac.hwwa.de/pressemappe20
  5. 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. 6. „Proof of concept“ example: Map of economists Page 6 Query link (on Wikidata SPARQL endpoint)
  7. 7. Wikiproject 20th Century Press Archives Page 7 https://www.wikidata.org/wiki/Wikidata:WikiProject_20th_Century_Press_Archives
  8. 8. Page 8 Thanks for listening! Joachim Neubert ZBW – Leibniz Information Centre for Economics j.neubert@zbw.eu http://zbw.eu/labs https://www.wikidata.org/wiki/User:Jneubert