Dissemination Documentation


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Dissemination Documentation

  1. 1. Dissemination - the importance of metadata Statistics Denmark 1-3 October 2008 Annegrete Wulff [email_address]
  2. 2. Metadata – for whom? <ul><li>Staff </li></ul><ul><ul><li>database administrators </li></ul></ul><ul><ul><li>statisticians </li></ul></ul><ul><ul><li>developers </li></ul></ul><ul><ul><li>managers </li></ul></ul><ul><li>Users, internal/external </li></ul><ul><ul><li>news media </li></ul></ul><ul><ul><li>international organisations </li></ul></ul><ul><ul><li>researchers </li></ul></ul><ul><ul><li>occasional users </li></ul></ul>
  3. 3. Yesterday’s Users Statistician Users
  4. 4. Today’s users Statistician
  5. 5. Different background – different needs <ul><li>Tourists </li></ul><ul><li>Farmes </li></ul><ul><li>Miners </li></ul><ul><li>(Claudia Imhoff: The Corporate Information Factory) </li></ul>
  6. 6. Metadata …. for what? <ul><li>Metadata play a role when the users </li></ul><ul><ul><li>browse </li></ul></ul><ul><ul><li>search </li></ul></ul><ul><ul><li>select </li></ul></ul><ul><ul><li>comprehend </li></ul></ul><ul><ul><li>compare </li></ul></ul>
  7. 7. Terminology <ul><li>Statistical terms: </li></ul><ul><li>CPI </li></ul><ul><li>Employed </li></ul><ul><li>Salary </li></ul><ul><li>Income </li></ul><ul><li>Household </li></ul><ul><li>Family </li></ul><ul><li>Layman terms: </li></ul><ul><li>Inflation </li></ul><ul><li>Working </li></ul><ul><li>Income/Salary </li></ul><ul><li>Family </li></ul>
  8. 8. Can we handle it? <ul><li>Consistent use of terminology </li></ul><ul><li>Standard groupings </li></ul><ul><li>Define for professionals </li></ul><ul><li>Define for laymen </li></ul><ul><li>Test with real users </li></ul>
  9. 9. Users want more… <ul><li>Top priority wishes among users (since the first user survey in 2000) </li></ul><ul><ul><li>Easier search facility </li></ul></ul><ul><ul><li>More definitions </li></ul></ul><ul><li>It is all about documentation and metadata! </li></ul>
  10. 10. The structure of metadata <ul><li>Structural metadata </li></ul><ul><ul><li>variable names and acronyms </li></ul></ul><ul><ul><li>descriptive (discovery) metadata –including synonyms, used in search </li></ul></ul><ul><ul><li>technical metadata </li></ul></ul>
  11. 11. OECD example i
  12. 12. Eurostat Example
  13. 13. The description of data <ul><li>Reference metadata </li></ul><ul><ul><li>conceptual metadata </li></ul></ul><ul><ul><li>methodological metadata </li></ul></ul><ul><ul><li>quality metadata </li></ul></ul><ul><li>Micro data (“individual/raw data”) </li></ul><ul><li>Macro data (“statistics”) </li></ul>
  14. 14. Documentation – metadata principles * <ul><li>make metadata work an integral part of business processes </li></ul><ul><li>ensure customers are identified for all metadata processes </li></ul><ul><li>make metadata 'active' to greatest extent possible </li></ul>* ABS, Australian Bureau of Statistics
  15. 15. Principles…. cont. <ul><ul><li>capture metadata at their natural sources </li></ul></ul><ul><ul><li>single, authoritative source - 'registration authority' </li></ul></ul><ul><ul><li>reuse metadata </li></ul></ul><ul><ul><li>metadata is readily available and useable in context of client's information need </li></ul></ul>
  16. 16. Reference meta-data <ul><li>Administrative info </li></ul><ul><li>Contents </li></ul><ul><li>Time </li></ul><ul><li>Accuracy </li></ul><ul><li>Comparability </li></ul><ul><li>Accessibility </li></ul>www.dst.dk/declarations
  17. 17. Useful metadata <ul><li>Related publications </li></ul><ul><li>Microdata files </li></ul>Contact Publications 1) 2)
  18. 18. Overview through metadata, A-Z <ul><li>DK5 Library classification system </li></ul><ul><li>StatBank tables </li></ul><ul><li>News releases </li></ul><ul><li>Statistical News </li></ul><ul><li>Ad hoc publications </li></ul><ul><li>Declarations of content </li></ul><ul><li>Yearbook tables </li></ul>www.dst.dk/ emner
  19. 19. Collecting metadata- example from Denmark <ul><li>Structured metadata </li></ul><ul><li>History </li></ul><ul><li>Methodology </li></ul><ul><li>Quality </li></ul><ul><li>Footnotes </li></ul><ul><li>Source </li></ul><ul><li>Personnel </li></ul><ul><li>Simple definitions </li></ul><ul><ul><li>variables ,values, contents </li></ul></ul><ul><li>Advanced definitions </li></ul><ul><li>Methods </li></ul><ul><li>How to interpret </li></ul><ul><li>Similar statistics </li></ul>StatBank web Structured metadata Declaration of contents Staff register Publication calendar News Release Statistical News Footnotes
  20. 20. Metadata is readily available and useable in context of client's information need What is the difference between immigranta and descendants? Which countries are Western? What is a projection?
  21. 21. Presenting metadata –selective needs Ancestry click!
  22. 22. Where to find the relevant information? Subject matter division Contact persons Metadata project Declarations of contents Yearbook, etc Statistical News Nomenclaturesr Eksterne dokumenter Legal provision Micro definitions Technical sources In-house documents
  23. 23. Databases versus publications <ul><li>Data can be transferred without metadata </li></ul><ul><li>Data and metadata together in publications </li></ul>We must secure easy access to all metadata and use wordings that are widely understood.
  24. 24. And now to work …. card sorting
  25. 25. Data usage process <ul><li>user is searching for data of potential relevance for his/her need </li></ul><ul><li>user identifies needed data and decides to retrieve them </li></ul><ul><li>user analyses and interprets the statistical data which were retrieved </li></ul><ul><li>In each step the user needs metadata </li></ul>
  26. 26. Needs for metadata <ul><li>Irrespective of relevance to a specific group the user needs metadata for the following functions: </li></ul><ul><li>to assist in the search for information </li></ul><ul><li>to interpret the information </li></ul><ul><li>to assist post processing of information </li></ul><ul><li>Relating to specific user groups the scope of metadata needed for those functions differs </li></ul>
  27. 27. Internet and dissemination <ul><li>Growing number and diversity of users </li></ul><ul><li>Economic and statistical literacy of users can no longer be granted </li></ul><ul><li>Understanding who Internet users are is necessary </li></ul><ul><li>Feedback analysis needed </li></ul><ul><li>Statistical websites are evolving into the most important dissemination channel for statistics </li></ul>
  28. 28. User segmentation T o u r i s t s F a r m e r s M i n e r s
  29. 29. Group discussion <ul><li>3 groups : </li></ul><ul><ul><li>Tourists </li></ul></ul><ul><ul><li>Farmers </li></ul></ul><ul><ul><li>Miners </li></ul></ul><ul><li>Check the &quot;Metadata shopping list&quot; from the user point of view </li></ul>