1. DDI Specifications Recent Developments Wendy Thomas Joachim Wackerow Technical Committee EDDI 2015 - Copenhagen

2. DDI Cooperation Platform Wiki system Confluence. It provides team collaboration functions. – https://ddi-alliance.atlassian.net/wiki/display/DDI4/DDI+Home https://ddi-alliance.atlassian.net/wiki/display/DDI4/DDI+Home Issue tracking system Jira. It provides bug tracking, issue tracking, and project management functions. – https://ddi- alliance.atlassian.net/secure/BrowseProjects.jspa?selectedCate gory=all&selectedProjectType=all https://ddi- alliance.atlassian.net/secure/BrowseProjects.jspa?selectedCate gory=all&selectedProjectType=all Hosting service Bitbucket. It uses the Git revision control system. – https://bitbucket.org/ddi-alliance/ https://bitbucket.org/ddi-alliance/

3. DDI Maintenance and Development Current DDI list of products – DDI-Codebook – DDI-Lifecycle – RDF Vocabularies – Controlled Vocabularies DDI Views – Development project – Development reviews

4. DDI-Lifecycle In the first half of 2016 we will release DDI 3.3 beta version which includes work on: – Sampling, Weighting, and Survey Development – Resolution of issues filed against DDI 3.2 Update to DDI 3.2 high level documentation – Expanded documentation based on work for the 3.3 beta release – Uses the documentation production system developed for the DDI Moving Forward project

5. DDI Views Anticipated release date for the second Development Review – Q2 2016 Coverage additions – Library Packages: Data Description Data Capture Process Model – Functional Views: Classification Data Capture Data Description

6. Release of a DDI Codebook View The third Development Review should include a basic Codebook View – Include the basic classes that should be available in any view covering content that can be managed and preserved – Test the approach of including full classes and restricting their coverage using documentation – This would be a preliminary view that would continue to expand to cover the content of the current DDI-Codebook

7. DDI Codebook View Details Using items of – Data Description – Data Capture – Methodology (using items of Process) – Utility packages

8. Codebook 2.5 Codebook View Draft Codebook View equivalent to Codebook 2.5 DDI Codebook View Coverage

9. Library and Views Codebook View

10. Consumption of DDI Views

11. Model and Generation of XML Schema / RDF UML Model XML Schema per View RDF Vocabulary per View Documentation

12. Production Framework - Details

13. Moving Forward Sprints Minneapolis, May 25-29, 2015 – Substance working groups Dagstuhl, October 19-23, 2015 – Review by external experts Copenhagen, November 23-27, 2015 – Production Framework

14. Get Involved Commenting draft releases Contributing to working groups Participating in sprints Support from organizations by contributing: – project management, programmers time, meeting rooms www.ddialliance.orgwww.ddialliance.org / secretariat@ddialliance.orgsecretariat@ddialliance.org

15. Should I Wait for DDI 4? No! – DDI Lifecycle 4 is a long development process DDI Lifecycle 3.2 is a stable and comprehensive specificifation for the data lifecycle DDI Codebook 2.5 is suitable for single studies in an archive context RDF Vocabularies are available now for usage in Linked Data Migration paths to DDI 4 will be provided from the DDI specifications above