O-DEF™, the Open Data Element Framework, Version 2.0

The O-DEF Standard enables basic units of data to be classified, so that equivalences and similarities between them can be easily determined. This simplifies the development of interface software and contributes to improved management and organization of data. The O-DEF Standard facilitates interoperability through the use of a common data vocabulary.

The O-DEF Standard consists of an index and a method for using it to classify data elements. Following this method, a practitioner can tag a data element by assigning a name and numeric identifier to it according to its meaning. The index is federated; comprising a core index and a collection of plugins.