[DDI-users] Review of Q1 Development Draft of DDI Lifecycle-MD

Mary Vardigan vardigan at umich.edu
Mon Apr 27 15:29:40 EDT 2015


Dear DDI Community,

The DDI Alliance is pleased to announce a preliminary Quarter 1 Development
Draft of <https://mail.google.com/mail/u/0/#14c9529356f6113a__msocom_1> the
first components of DDI Lifecycle-MD, the new DDI specification that is
model-driven (MD), sometimes called DDI4. The comment period for the Q1
Draft is now open. Information on the review process is available from the DDI4
- Comment and Review page
<https://ddi-alliance.atlassian.net/wiki/display/DDI4/DDI+4+-+Comment+and+Review>.
That page contains a link to comment instructions and to the release
package itself -- see the box labeled Current Review in the middle of the
page.



DDI is transitioning to a model-driven specification to support new content
and domains, to provide needed flexibility in rendering and packaging, and
to ensure a sustainable development process for DDI going forward. The
model will enable use-case driven "functional views" of the full model so
that prospective DDI users can receive only the subset of DDI classes they
need for a specific task or function (e.g., create a simple codebook). The
transition also includes moving to a fully automated production framework
to create the specification, bindings, and documentation. More information
about the DDI work products
<http://www.ddialliance.org/work-products-of-ddi-alliance> and how they all
fit together is available.



This release represents the first of several quarterly releases, each of
which will build on previous releases. The Q1 Draft includes the class
descriptions and diagrams for several of the basic parts of the model. We
are currently working out minor issues with results of the XML and RDF/OWL
implementations. These will be released separately when available.


We are eager to obtain feedback from the DDI community in order to improve
what we have and to validate our approach. The comment period is open until
May 22, 2015, and we hope to hear from you.


Mary

-- 
Mary Vardigan
Director, DDI Alliance
Assistant Director, Inter-university Consortium for Political and Social
Research (ICPSR)
P.O. Box 1248, Ann Arbor, MI 48106
Phone: 734-615-7908
Fax: 734-647-8200
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