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To add your contribution to this page, cut and paste the following tag to the end of your article/page/category: [[Category:DDI]]. DO NOT edit this page to add your article. Just add the category tag to your article.

The Data Documentation Initiative (DDI) is an international effort to establish an XML-based standard for representing lifecycle information about social science research and similar data. DDI facilitates the automation of documentation and production systems for the delivery of social science data as well as for preservation and exchange. DDI 3 files also have the capacity to contain both metadata, and the data being described.

For more information about DDI see: