Nanna Floor Clausen: Danish experience with crowdsourcing: the Danish Demographic Database

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Vortrag auf der Konferenz "Offene Archive 2.1", 4. April 2014

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Nanna Floor Clausen: Danish experience with crowdsourcing: the Danish Demographic Database

  1. 1. Danish Demographic Database a crowd sourcing success Nanna Floor Clausen Dansk Data Arkiv
  2. 2. Topics • The Source Entry Project • Organization and co-operation • Sources • Source Entry programmes • Danish Demographic Database • Perspectives of co-operation • Census data and research
  3. 3. Source Entry Project • Founded in 1992 • Background: great interest for transcribing sources • The demographic sources not analysed in details • IT introduced new possibilities • Co-operation with citizen researchers neccessary
  4. 4. Outlines of the co-operation • SAKI: collaboration on source transcription • KOKI: co-ordination of source transcription • DDA: from 1997 DDA is the sole co-ordinator and administrator • Close co-operation between DDA and volunteers (public and private working together) • Provision of courses in source entry project • KIK: Source Entry Committee
  5. 5. Foundation • Overview of already transcribed sources • Control of all information on transcriptions • Definition of principles for source transcription • Consistent reference to places • Preservation of the transcribed data
  6. 6. The sources • Structured sources – Definitions for: censuses, cadastre, military conscription rolls, church records • Unstructured sources – probate indexes, land charges register,…
  7. 7. Access to the sources • Copies of census registers from DDA • Arkivalier Online • Sources in the archives
  8. 8. Source Entry Programmes • Developed by the volunteers • Based on the defined structures • 4 different programmes over time • Based on off-line transcriptions • Data and documentation sent to DDA
  9. 9. Danish Demograpic Database • Launched August 1996 • Comprised censuses and Copenhagen police emigration registers – Link to the scanned sources • Since then several new source types and databases – Like ‘Nygaards sedler’
  10. 10. Example of project managed by volunteers • A private initiative between a group of volunteers and the National Archives • The National Archives put the sources at the group’s disposal in return for a copy of the result. The project was managed exclusively by 5 volunteers. • It was carried out in 2008. Photography of the 420.000 pages was done by 5 volunteers and 35 did the transcribing. • In 2011 the project was published in the DDD.
  11. 11. Example
  12. 12. Incentives for volunteers • Free and easy access to the compiled data • Summaries of – Number of transcriptions – List of citizen researchers (hitlist) – List of proof readers (also a hitlist) – What is reserved / deposited – What is in the database • Documentation of who did the entry
  13. 13. Incentives by volunteers • Map of transcribed censuses • Forum for users • Debate and articles
  14. 14. Map of progress
  15. 15. Progress
  16. 16. >20 years with crowd-sourcing • Presentation on YouTube:
  17. 17. Plans and ideas • (Re-)Establish link to scanned sources • On-line source entry program (almost there) • Add more source types (in progress) • New facilities – like record linking • Still more data • Establish source entry groups
  18. 18. Our experience – so far • A large potential in the general public • The purpose must be clearly defined and understandable • There must be some (immediate) value in it for the participant • Strong feelings about the project and the data • Communication between project managers, participants and users • Problem: who owns the digitised data?? How may they be (re-)used?
  19. 19. Ich danke für ihre Aufmerksamkeit

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