EDDI Conference System, EDDI13 – 5th Annual European DDI User Conference

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Historization and Versioning of DDI-Lifecycle Metadata Objects - Findings in the STARDAT Project
Alexander Mühlbauer

Last modified: 2013-10-31


The GESIS Data Archive for the Social Sciences provides high quality data and documentation of survey datasets. With the project STARDAT the data archive integrates existing DDI-Codebook software tools to one open source application suite supporting DDI-Lifecycle.

The talk reports about the experiences in extracting and implementing a Java-based extensible object model with object-relational persistence focused on historization and versioning of metadata in the sense of DDI 3.1. Using the example of the archival use case of importing metadata from statistical analysis systems like SPSS I show the possibilities of repository history, object history, object difference comparison, publishing metadata objects and staged reuse of metadata. Finally I discuss the implications of DDI schema changes on the implementation related to coming soon DDI 3.2.

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