Date post: | 10-May-2015 |
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Danish Demographic Databasea crowd sourcing success
Nanna Floor Clausen
Dansk Data Arkiv
Topics
• The Source Entry Project• Organization and co-operation• Sources• Source Entry programmes• Danish Demographic Database• Perspectives of co-operation• Census data and research
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
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
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
The sources
• Structured sources– Definitions for: censuses, cadastre, military
conscription rolls, church records• Unstructured sources
– probate indexes, land charges register,…
Access to the sources
• Copies of census registers from DDA• Arkivalier Online• Sources in the archives
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
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’
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.
Example
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
Incentives by volunteers
• Map of transcribed censuses• Forum for users• Debate and articles
Map of progress
Progress
>20 years with crowd-sourcing
• Presentation on YouTube:
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
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?
Ich danke für ihre Aufmerksamkeit