Data Documentation Initiative

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The Data Documentation Initiative (DDI) is a project founded in 1995 that is developing a metadata standard of the same name . The standard is used worldwide by a large number of organizations, for example in Germany by: Institute for the Future of Work , Socio-Economic Panel , GESIS - Leibniz Institute for Social Sciences , Data Service Center for Business and Organizational Data .

DDI standard

DDI is an open standard (metadata model) for the description of social and economic data. The basic concept of the DDI 3.X version is the description of the complete data life cycle, the so-called data life cycle, using XML . Version 3.2 was released in 2014.

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