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

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The New Microdata Information System (MISSY): Integration of DDI-based Data Models, an Open-Source Software Architecture, and Independent Persistence Service Implementations
Thomas Bosch, Jeanette Bohr, Matthäus Zloch

Last modified: 2013-10-13


MISSY is a DDI-based system which provides structured metadata for microdata from official statistics online. Within the current project the content will be enlarged to cover integrated microdata from European statistics. This also implicates an enhancement of the technological basis including the development of a new metadata preparation tool (MISSY Editor). In addition to detailed variable level metadata the new MISSY Editor allows comprehensive study level documentation which includes country specific information on a yearly basis. The DDI-RDF Discovery Vocabulary is an ontology of the Data Documentation Initiative in the world of Linked Open Data. We reuse this vocabulary as the core data model, since the discovery use case is the most important one for our purposes. We extend this core data model by a MISSY specific data model which fulfills further requirements not met by the DDI-RDF Discovery Vocabulary. We demonstrate how we implement these data models and how we persist them using multiple formats such as DDI-XML, DDI-RDF, and relational databases. We also offer a live demonstration of the new MISSY Editor.

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