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Object Oriented DDI

This presentation from the DDI Meeting on May 17, 2001, in Amsterdam discusses recent developments in the Data Documentation Initiative (DDI). Key topics include the FASTER project, enhancements for multidimensional statistical data, and new metadata object models. Emphasis is placed on improving data representation with structured approaches for both tabular and microdata, as well as implementing statistical disclosure and access control. The session highlights collaborations among national statistical institutes and the integration of various metadata standards to ensure rich, machine-understandable information for enhanced data usability.

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Object Oriented DDI

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  1. Object Oriented DDI Pasqualino “Titto” Assini (UKDA) Emiel Kaper (CBS) DDI Meeting 17/5/2001 Amsterdam IASSIST/IFDO Conference

  2. FASTER, a data web • Follow up of NESSTAR, uses DDI 1 • Extra: • Tabular data • Statistical Disclosure Control • Access Control Component • Better Metadata Object Model • Object Oriented • Suitable for Micro and Tabular data DDI Meeting 17/5/2001, Amsterdam, IASSIST/IFDO Conference

  3. CRISTAL 1.2 Process • National Statistical Institutes • Standard for (multidimensional) statistical data • Started as extension to ComeIn • Now driven and developed by Statistics Netherlands and Nordic NSI’s • Rich Machine Understandable information • Resulted in COM-component DDI Meeting 17/5/2001, Amsterdam, IASSIST/IFDO Conference

  4. Faster Cubes • Addition to DDI 1.0 to support Cubes • Use all appropriate tags from DDI • Add only tags for unsupported concepts • Cubes are just a representation of data • Different roles for variables • Use developments in Cristal • Now coincides with DDI Cubes Proposal DDI Meeting 17/5/2001, Amsterdam, IASSIST/IFDO Conference

  5. MOM • Or will coincide with DDI 2, Cristal 2 • Metadata Object Model • Final goal for FASTER wrt Metadata • Use within FASTER not within the lifetime of the current project • Use input from MetaNet, DDI, FasterCubes • Take the best from DDI, Cristal, CWM, ISO11179 • Will feed into DDI 2, Cristal 2 DDI Meeting 17/5/2001, Amsterdam, IASSIST/IFDO Conference

  6. WendyCube FasterCube DDI 1.1 IASSIST MetaNet DDI meeting NTTS... MOM DDI 2 CRISTAL 2 All together DDI 1 CRISTAL 1 Workshop DDI meetings DDI 1.1 DDI 2 DDI Meeting 17/5/2001, Amsterdam, IASSIST/IFDO Conference

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