Membership Documents
  • Bylaws
  • Charter
  • Join the DDI Alliance
  • Membership Form (PDF)
 Alliance Structure
  • Member Institutions
  • Expert Committee
  • Steering Committee
  • Committee Meeting Minutes
 Publications
  • General Brochure
  • Newsletter
  • Reports
    • Annual Report 2006 (PDF)
    • Annual Report 2005 (PDF)
    • Annual Report 2004 (PDF)
    • Strategic Plan, 2007 and Beyond (PDF)

 Papers, Presentations, and Reports
 Projects Using the DDI
 DDI Users' Listserv
 Getting Started with the DDI
 Frequently Asked Questions (FAQ)
 DDI Logo

 Document Type Definition (DTD)
 XML Schema (XSD)
 DDI Lite (Recommended Elements)
 Version Control for DTD
 Information on DTD Elements (DDI Tag Library)

 Mapping to Other Metadata Standards
  • Dublin Core
  • Recommended Fields (CESSDA) (PDF)
 Related Tools
  • Software/Tools
  • XML/XSLT

About the DDI Alliance

The Data Documentation Initiative (DDI) is an effort to create an international standard in XML for metadata describing social science data. The Alliance is a self-sustaining membership organization whose members have a voice in the development of the DDI specification.

Membership Documents

• Bylaws
• Charter
• Join the DDI Alliance
• Membership Form (PDF 56K)

Alliance Structure

• Member Institutions
• Expert Committee
• Steering Committee
• Working Groups
• Committee Meeting Minutes

Publications

• General Brochure
• Newsletter
• Reports
  • Annual Report 2007 (PDF 336K)
  • Annual Report 2006 (PDF 182K)
  • Annual Report 2005 (PDF 160K)
  • Annual Report 2004 (PDF 117K)
  • Strategic Plan, 2007 and Beyond (PDF 149K)