Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Iaos From Data Access To Data Integration

731 views

Published on

Published in: Technology, Economy & Finance
  • Be the first to comment

  • Be the first to like this

Iaos From Data Access To Data Integration

  1. 1. From Data Access to Data Integration IAOS, Shanghai 14-16 October 2008 Annegrete Wulff, Statistics Denmark [email_address]
  2. 2. Accessible products <ul><li>Publications (ca. 1850 - ) </li></ul><ul><li>Municipality statistics databank 1986-98 </li></ul><ul><li>StatBank Denmark ( www.statbank.dk ) 1998 – </li></ul><ul><li>Homepage www.dst.dk 1996 - </li></ul>
  3. 3. Dissemination principles <ul><li>Electronic first </li></ul><ul><li>StatBank is the place for all official statistics </li></ul><ul><li>StatBank is the source for all publications </li></ul><ul><li>StatBank is online available & free-of-charge for everyone </li></ul><ul><li>Simultaneous releases in all media 9:30:00 am </li></ul><ul><li>Dissemination should address well-defined </li></ul><ul><ul><li>target groups </li></ul></ul><ul><ul><li>types of usage </li></ul></ul><ul><li>… jet still use the same source (data and metadata) </li></ul>
  4. 4. Access Population Labour market Income Finance Agriculture etc. Databank www.statbank.dk
  5. 5. The Statistical Information System Person id: Person N um b er Enterprise id: CBR-No Dwelling id : Ad dress Health Tax Employ- ment Educa- tion Social etc CPR B D R C B R Question- naire Inter- view Cadastre
  6. 6. The case of Denmark To link or not to link - that’s the question!
  7. 7. The Public www.dst.dk SumDatabase Cleaned micro data Statistical registers Print Binding dst.dk Charged statistics and analysis Annonymos micro data for Researchers Subject matter division Dissemination, IT-Centre Aggregation to macro data Publication pdf International organisations - - StatBank Denmark
  8. 8. Users needs <ul><li>More users </li></ul><ul><li>Variety of users </li></ul><ul><li>Different user needs </li></ul><ul><li>User satisfaction surveys </li></ul>
  9. 10. Shift of focus …..1980’s <ul><li>Electronic on-line access </li></ul><ul><li>Content: more details than on paper </li></ul><ul><li>Download possibilities </li></ul><ul><li>Output formats </li></ul>
  10. 11. Statistics Denmark’s first databank 1986 200 users – and we new them all
  11. 12. Shift of focus …..1990’s <ul><li>Internet access </li></ul><ul><li>- but also off-line products: CD-ROM </li></ul><ul><li>Functionality (calculations) </li></ul><ul><li>Interactive aggregations </li></ul><ul><li>Contact possibilities – who to ask for more </li></ul>
  12. 13. Internet databank, ver. 1.0 1998 Access “restricted” by a fee
  13. 14. Shift of focus …..2000’s <ul><li>Presentation, layout </li></ul><ul><li>Documentation </li></ul><ul><li>Linking, coherence </li></ul><ul><li>Long time span </li></ul><ul><li>Search </li></ul>
  14. 15. Homepage 2004 Documentation, quality declaration, graphics
  15. 16. Shift of focus …..2008’s <ul><li>Response time </li></ul><ul><li>Definitions </li></ul><ul><li>Search and browse </li></ul><ul><li>Visualisation, maps and graphics </li></ul><ul><li>Self service </li></ul><ul><li>Integration with own systems </li></ul>
  16. 17. StatBank Denmark <ul><li>More than 2,000 tables, several billions of data </li></ul><ul><li>Links to documentation (declaration of contents) </li></ul><ul><li>Links to publications </li></ul><ul><li>Saved queries </li></ul><ul><li>Data shooting </li></ul><ul><li>Excel web queries </li></ul><ul><li>Output formats: Excel, PC-AXIS, xml, SAS, comma separated, time series,… </li></ul><ul><li>Maps </li></ul><ul><li>Graphs </li></ul>
  17. 18. 2,500 matrices in Danish and English <ul><li>2 million retrievals </li></ul>HTML table on screen Downloads of a file 77 % only on screen 6 % in maps, 17 % graphs <ul><li>23% downloads. Of these: </li></ul><ul><ul><li>86 % in Excel </li></ul></ul><ul><ul><li>9 % in PC-AXIS </li></ul></ul><ul><ul><li>5% in other formats </li></ul></ul>
  18. 19. Many sources of metadata Subject matter division Technical sources Statisticians Statistics Denmark publications Metadataproject Quality declarations Statistical Yearbook & Ten year review Statistical Abstracts Annual publications, Nomenclatures External documents Legal documents etc TIMES, microdata documentation
  19. 20. One source for all metadata Subject matter division Technical sources Statisticians Statistics Denmark publications Metadata project Quality declarations Statistical Yearbook & Ten year review Statistical Abstracts Annual publications, Nomenclatures External documents Legal documents etc TIMES, microdata documentation
  20. 21. Metadata International organisations Annonymos micro data for researchers Charged statistics and analysis dst.dk www.dst.dk <ul><li>code explanations </li></ul><ul><ul><li>source </li></ul></ul><ul><ul><li>quality </li></ul></ul><ul><ul><li>accessability </li></ul></ul><ul><ul><li>concepts, definitions </li></ul></ul><ul><ul><li>methodologies </li></ul></ul><ul><ul><li>contacts </li></ul></ul><ul><ul><li>release info </li></ul></ul>- StatBank Denmark -
  21. 22. The process <ul><li>Select the concepts </li></ul><ul><li>Define the concept </li></ul><ul><li>Making the definition accessible </li></ul>
  22. 23. Concepts in the StatBank <ul><li>850 dimensions </li></ul><ul><li>173,000 dimension members </li></ul><ul><li>8,000 will be defined </li></ul>
  23. 24. Born in Denmark and neither of the parents is born in Denmark and has Danish citizenship as well
  24. 25. At least one parent is born in Denmark and has Danish citizenship
  25. 26. Glossary
  26. 27. Thank you

×