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




Describes rights-management, terms of use, for the resource. Corresponds to dcterms:accessRights and dcterms:rights.

New objects for Simple Instruments

New objects to enter the simple instrument view


The purpose of Simple Instrument is to describe the data collection instrument and procedures involved in fielding a simple survey questionnaire.


Describes the types of sequences that can be used for a set of items.


Describes the ordering of items when not otherwise indicated. There are a set number of values for ItemSequenceType, but also a provision for describing an alternate ordering using a command language.


Specifies a type of geometric shape for the purpose of determining the required information needed to render the object.


Provides an enumerated list of valid point format types for capturing a coordinate point.


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