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<h2 id="member-institutions">Member Institutions</h2> <table><tbody><tr><th>Institution<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a></th><th>Abbr.</th><th>Country</th></tr><tr><td><a href="/facts/Aristotle_Metadata_Registry/XTbIfuq8">Aristotle Cloud Services Australia</a></td><td>ACSA</td><td><a href="/facts/Australia/qLHpbppq">Australia</a></td></tr><tr><td><a href="/facts/Australian_Bureau_of_Statistics/UY7L36Y8">Australian Bureau of Statistics</a></td><td>ABS</td><td><a href="/facts/Australia/qLHpbppq">Australia</a></td></tr><tr><td><a href="/facts/Centro_De_Investigaciones_Sociol%25C3%25B3gicas/bYVc5xYS">Centro De Investigaciones Sociológicas</a></td><td><a href="/facts/Centro_De_Investigaciones_Sociol%25C3%25B3gicas/bYVc5xYS">CIS</a></td><td><a href="/facts/Spain/bIyrB8EY">Spain</a></td></tr><tr><td><a href="/facts/Colectica/Gzn0cmWq">Colectica</a></td><td><a href="/facts/Colectica/Gzn0cmWq">Colectica</a></td><td>US</td></tr><tr><td><a href="/facts/Cornell_University/FGyXuXeI">Cornell University</a></td><td>CISER</td><td>US</td></tr><tr><td>Danish Data Archive</td><td>DDA</td><td><a href="/facts/Denmark/KVtykzsw">Denmark</a></td></tr><tr><td>Data Archiving and Networked Services</td><td>DANS</td><td><a href="/facts/Netherlands/y8xn5stT">Netherlands</a></td></tr><tr><td>Finnish Social Science Data Archive</td><td></td><td><a href="/facts/Finland/G5Ak6T91">Finland</a></td></tr><tr><td><a href="/facts/Socio-Economic_Panel/vfoJ2sy5">German Socio-Economic Panel Study</a></td><td><a href="/facts/Socio-Economic_Panel/vfoJ2sy5">SOEP</a></td><td><a href="/facts/Germany/paluuWBX">Germany</a></td></tr><tr><td><a href="/facts/GESIS_%25E2%2580%2593_Leibniz_Institute_for_the_Social_Sciences/Fj9P1NCf">GESIS – Leibniz Institute for the Social Sciences</a></td><td><a href="/facts/GESIS/Fj9P1NCf">GESIS</a></td><td><a href="/facts/Germany/paluuWBX">Germany</a></td></tr><tr><td>Institute for Quantitative Social Science at Harvard University</td><td>IQSS</td><td>US</td></tr><tr><td><a href="/facts/Institute_for_the_Study_of_Labor/GmYPB4fA">Institute for the Study of Labor</a></td><td><a href="/facts/Institute_for_the_Study_of_Labor/GmYPB4fA">IZA</a></td><td><a href="/facts/Germany/paluuWBX">Germany</a></td></tr><tr><td><a href="/facts/Inter-university_Consortium_for_Political_and_Social_Research/HVsqKtLQ">Inter-university Consortium for Political and Social Research</a></td><td><a href="/facts/ICPSR/HVsqKtLQ">ICPSR</a></td><td>US</td></tr><tr><td><a href="/facts/Massachusetts_Institute_of_Technology/Xk49vNA8">Massachusetts Institute of Technology</a></td><td><a href="/facts/MIT/Xk49vNA8">MIT</a></td><td>US</td></tr><tr><td><a href="/facts/Norwegian_Social_Science_Data_Services/5k9MyrWz">Norwegian Social Science Data Services</a></td><td><a href="/facts/NSD/rXPEf9cp">NSD</a></td><td><a href="/facts/Norway/wlDRKRTR">Norway</a></td></tr><tr><td>Open Data Foundation</td><td></td><td></td></tr><tr><td><a href="/facts/Princeton_University/n3EPGHBM">Princeton University</a></td><td></td><td>US</td></tr><tr><td>Research Data Centre of the German Federal Employment Agency, Institute for Employment Research</td><td>IAB</td><td><a href="/facts/Germany/paluuWBX">Germany</a></td></tr><tr><td><a href="/facts/Roper_Center_for_Public_Opinion_Research/WP9ynj8y">Roper Center for Public Opinion Research</a></td><td></td><td>US</td></tr><tr><td><a href="/facts/Stanford_University/JEQeF9z2">Stanford University</a></td><td></td><td>US</td></tr><tr><td>Survey Research Operations, University of Michigan</td><td></td><td>US</td></tr><tr><td>Swedish National Data Service</td><td>SND</td><td><a href="/facts/Sweden/u3qC7lyj">Sweden</a></td></tr><tr><td>Swiss Foundation for Research in Social Sciences</td><td>FORS</td><td><a href="/facts/Switzerland/LcGuxeTe">Swiss</a></td></tr><tr><td><a href="/facts/U.S._Bureau_of_Labor_Statistics/BwSDI1GE">U.S. Bureau of Labor Statistics (Associate Member)</a></td><td></td><td>US</td></tr><tr><td><a href="/facts/UK_Data_Archive/K4A2HK20">UK Data Archive</a></td><td>UKHLS/BHPS</td><td><a href="/facts/UK/kuPAILt2">UK</a></td></tr><tr><td><a href="/facts/University_of_Alberta/08ERvE5c">University of Alberta</a></td><td></td><td><a href="/facts/Canada/cWWFM8oc">Canada</a></td></tr><tr><td><a href="/facts/University_of_California/M9AWowUd">University of California</a></td><td>UCDATA</td><td>US</td></tr><tr><td><a href="/facts/University_of_Guelph/6hLhtWHn">University of Guelph</a></td><td></td><td>Canada</td></tr><tr><td><a href="/facts/Minnesota_Population_Center/cVUMHm7w">University of Minnesota, Minnesota Population Center</a></td><td><a href="/facts/Minnesota_Population_Center/cVUMHm7w">MPC</a></td><td>US</td></tr><tr><td>University of Toronto Scholars Portal</td><td></td><td><a href="/facts/Canada/cWWFM8oc">Canada</a></td></tr><tr><td>University of Washington, Center for Studies in Demography & Ecology</td><td>CSDE</td><td>US</td></tr><tr><td>University of Wisconsin-Madison Institute on Aging</td><td><a href="http://midus.colectica.org">MIDUS</a></td><td>US</td></tr><tr><td><a href="/facts/World_Bank/hIH9uUb2">World Bank, Development Data Group</a></td><td>DECDG</td><td>US</td></tr></tbody></table> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Colectica/Gzn0cmWq">Colectica</a></li> <li><a href="/facts/Metadata_standards/gHWYjdtB">Metadata standards</a></li></ul> <h2 id="external-links">External links</h2> <ul><li>DDI Project <ul><li><a href="http://www.ddialliance.org/">Official website</a></li> <li><a href="http://tools.ddialliance.org">DDI Tools</a></li></ul></li></ul> <h3>Related software/tools</h3> <ul><li><a href="https://www.colectica.com">Colectica</a></li> <li><a href="https://sda.berkeley.edu/ddi/tools">CSM's XCONVERT</a></li> <li><a href="https://web.archive.org/web/20080703214122/http://www.surveynetwork.org/toolkit">IHSN Microdata Management Toolkit</a></li> <li><a href="https://nesstar.com/download/">Nesstar Publisher</a> (development was discontinued and Nesstar reached end-of-life status in 2022)</li> <li><a href="https://sda.berkeley.edu/ddi/tools/">SDA to XML</a></li> <li><a href="https://web.archive.org/web/20041225100341/http://www.gesis.org/en/software/ddi/tools/spssoms2ddi/">SPSSOMS2DDI</a></li> <li><a href="https://dataverse.org/">The Dataverse Project</a></li> <li>Scholars Portal's <a href="https://github.com/scholarsportal/dataverse-data-explorer-v2">Dataverse Data Explorer v.2</a></li> <li><a href="https://www.richdataservices.com/">Rich Data Services</a>.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>DDI History <a href="http://www.ddialliance.org/what/history.html" target="_blank">http://www.ddialliance.org/what/history.html</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>About DDI <a href="http://www.ddialliance.org/" target="_blank">http://www.ddialliance.org/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>DDI Specification[permanent dead link] <a href="https://ddialliance.org/Specification/DDI-Lifecycle/3.3/" target="_blank">https://ddialliance.org/Specification/DDI-Lifecycle/3.3/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>DDI-Members <a href="https://www.ddialliance.org/ddi-membership" target="_blank">https://www.ddialliance.org/ddi-membership</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>