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<p class="MsoNormal"><span lang="EN-US">The Data Documentation Initiative (DDI) Alliance is pleased to announce the first Public Review of
<b>DDI - Cross Domain Integration (DDI-CDI)</b>, a specification aimed at helping implementers integrate data across domain and institutional boundaries.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Although historically the DDI Alliance has produced specifications aimed at the Social, Behavioral, and Economic (SBE) sciences,
<b>DDI-CDI</b> is designed to serve a broader audience, reflecting the need across many different domains to exchange and reuse data which comes from outside the traditional range of data sources. It is meant to be used as a stand-alone specification for data
integration in any domain or combination of domains and it can be used in combination with existing DDI specifications (e.g., DDI-Codebook and DDI-Lifecycle).<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-US">DDI-CDI</span></b><span lang="EN-US"> focuses on a uniform approach to describing a range of needed data formats (traditional wide/rectangular data, long [event] data, multi-dimensional data, and NoSQL/key-value data)
which allows them to be connected and understood to support transformation and processing for integrated use. It is explicitly designed to work with many popular generic technology standards such as PROV-O, BPMN, DCAT, SDMX, DataCube, SSN/SOSA and Schema.org
to allow for easy integration into systems which support them. <b>DDI-CDI</b> is aligned with other DDI specifications (DDI-Codebook, DDI-Lifecycle) to support integration of external data in systems which use DDI.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Review by experts both within and outside the SBE sciences will assist in making sure that
<b>DDI-CDI</b> is able to describe data and its provenance at a detailed, machine-actionable level. This Public Review is intended not only to critique the existing model and XML syntax representation, but also to identify places where additional work is needed
to better support research and policy in the broadest possible set of domains.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Links to the specification and instructions for comment are found at
</span><a href="https://ddi-alliance.atlassian.net/wiki/x/IQBPMw"><span lang="EN-US">https://ddi-alliance.atlassian.net/wiki/x/IQBPMw</span></a><span lang="EN-US">. We are eager to obtain feedback from the broadest possible audience on this specification. The
comment period is open until July 31, 2020, and we hope to hear from you. To assist you in your review we recommend the following approach:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Read the Overview section of the <b>DDI-CDI</b> review page. This provides a guide to what you will find in the download package. There are four documents linked from the Overview section. Looking at these in the order
presented will provide you with information on the purpose, organization, use, and structure of
<b>DDI-CDI</b>. Depending on your areas of interest and expertise you may be focusing on specific aspects of the package. These documents will help guide you to the relevant material. If you have questions about the package contents and how to review them,
use the issue form or email option to ask for clarification. Find these options through the link in the upper right frame of the review page. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">We will be conducting a series of webinars to introduce potential reviewers to
<b>DDI-CDI</b>. If you are interested in attending, please contact us by replying to this email.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Your feedback to <b>DDI-CDI</b> is appreciated.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Joachim Wackerow, Chair of the Scientific Board of the
</span><a href="https://ddialliance.org/"><span lang="EN-US">DDI Alliance</span></a><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">On behalf of the <b>DDI-CDI</b> development group<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"><img border="0" width="200" height="71" id="Picture_x0020_1" src="cid:image002.png@01D6170B.66B0CBF0" alt="cid:ii_k937hjdc0"></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">--<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">GESIS - Leibniz Institute for the Social Sciences<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">Team: Archive Instruments and Metadata Standards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">Visiting address: B2 1, 68159 Mannheim, Germany<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">Postal address: P.O. Box 122155, 68072 Mannheim, Germany<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">Phone: +49 (0)621 1246 262<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">Fax: +49 (0)621 1246 100<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE">E-mail:
</span><a href="mailto:joachim.wackerow@gesis.org"><span lang="EN-US" style="font-size:9.0pt;color:blue;mso-fareast-language:DE">joachim.wackerow@gesis.org</span></a><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><a href="http://www.gesis.org/"><span lang="EN-US" style="font-size:9.0pt;color:blue;mso-fareast-language:DE">www.gesis.org</span></a><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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