Conveners
DDI Standards
- Oliver Hopt
The vision of DDI has grown over the years from a simple codebook for microdata and aggregate data files, to a model that supported metadata-driven data systems, to a suite of products that supports a variety of applications in a broad area of coverage across several related disciplines. This shift in focus reflects changes in the data environment, technology, and user needs over time. It...
This presentation describes the model-driven approach of DDI-CDI. In this way, it is possible to generate related syntax representations (such as XML Schema and RDF) and field-level documentation of the UML model. A subset mechanism allows targeted generation for specific use cases such as the process description. Experimental work will also be shown using visualization and sonification...
An investigation was conducted to examine the extent to which metadata in different Data Documentation Initiative (DDI) standards is openly available and which elements of these standards are used. DDI is a set of international standards for describing and documenting data used in social, behavioural, economic, and health sciences research.
To identify the online repositories, where DDI...
