Added automatic builds
Each day a ZIP-file is created via cron.
The builds consist of XMI, XSD, DocBook, PDF and graphs in dot, svg and png.
Added basic validation for names
installed module for validation, some rules for object and package names have been defined.
Added help for creating and managing the model
Guidelines for naming and propeties.
Added stage-tagging for objects
Re-arranged "Status" and added field for Stage, filter added on objects page.
Changes for Datatype
Datatype taxonomy is replaced by a datatype content type, to create a new one go to /node/add/datatype. You can specify basic documentation of the datatype and specify enumerated values. A datatype must be placed in a package.

Welcome to the development platform for the next generation of DDI

The DDI Alliance is building a new model-based specification, for more information on the background to this see, the process and what we hope to achieve see the DDI Alliance website at

A site to hold discussions and further ongoing discussion is at


The result of applying a particular Capture in an Instrument to some experimental Unit


This is a test view, outlining the relationship(s) and interface between objects in the Capture and DataDescription views.

Based on paper by Dan Gillman and Jay Greenfield available from:


A set of access information for a Machine including external and internal URL, mime type, and physical location



Part-whole specialization of OrderRelation between Concepts within a ConceptSystem.


Parent-child specialization of OrderRelation between Concepts within a ConceptSystem.





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