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Volume VIII, Number 2, January 2015 Save the Date: DDI Alliance to Meet in Minneapolis in JuneThe DDI Alliance will hold its annual meeting of members on Monday, June 1, 2015, in Minneapolis, MN, just before the start of the IASSIST conference. More details about the meeting will be available soon. NADDI 2015 Call for Papers OpenThe North America DDI Users Meeting will take place in Madison, WI, on April 9-10, 2015, with a full day of training sessions preceding the conference on April 8. The theme of the meeting is “Research Data Management: Enhancing Discoverability with Open Metadata Standards.” The deadline for paper submissions is February 13, 2015. ![]()
For more information: NADDI Workshop on Open Data and Metadata ManagementMetadata Data Technology North America is pleased to announce that it will offer a half-day hands on Open Data and Metadata Management Workshop at NADDI. The event will focus on the practical packaging of open data and metadata, in particular around statistical datasets. See agenda for details. They will also be giving away licenses North America DDI Users Meeting to the SledgeHammer software to three conference attendees. Visit the MTNA poster booth during the event to register. DDI4 Moving ForwardThe “DDI Moving Forward” project to develop a model-based DDI specification (DDI4) is making good progress. A Sprint focused on content modeling was held in Schloss Dagstuhl the week of October 20, 2014. This sprint included collaborative work on enhancing data citation information in DDI, funded by the National Science Foundation (ACI 1448107 and 1448127). Another Sprint, more technical in nature, was held in London the week of November 24, 2014, with a goal of preparing the first set of DDI4 deliverables. This sprint was hosted by the Institute of Education, University of London. ![]() The DDI4 model takes shape at Schloss Dagstuhl in October. The DDI4 Advisory Group is now overseeing the development of DDI4 and is organizing the sprints and virtual meetings to advance the work. The Advisory Group has announced a new release plan for DDI4, taking into account new deliverables prepared at the London Sprint. Seeking Comment on DDI4 PrioritiesDDI4 Advisory Group Chair Adam Brown recently announced that the Advisory group is seeking feedback on topics proposed for inclusion in Release 3 of DDI 4, due for public review in September 2015. Please review the current proposals and provide feedback. Consultation closes 20th February. DDI4 Project Coordinator Position AvailableThe Data Documentation Initiative (DDI) Alliance seeks a volunteer project coordinator to support the development of DDI Version 4, a model-based metadata specification for research data with a focus on the social and behavioral sciences. The work is progressing through a series of face-to-face sprints -- meetings where intensive work takes place -- and virtual meetings of the task teams. The DDI4 Project Coordinator will work with the DDI4 Advisory Group (AG) to manage the work of the task teams. This work will include:
is an exciting opportunity to play a key role in the development of the new standard. In this role you will work closely with the DDI Director and the Chair of the Advisory Group. If you are interested, please contact Mary Vardigan, Director, DDI Alliance, by February 6, 2015. EDDI Conference Held in LondonEDDI14, the 6th Annual European DDI User Conference, took place on December 2-3, 2014, in London. The conference was hosted by IOE - Institute of Education, University of London, and organized jointly by the IOE - Institute of Education, GESIS - Leibniz Institute for the Social Sciences, and the International Data Service Center of the Institute for the Study of Labor. There were 108 participants from 69 institutions in 19 countries in attendance. The conference included 29 presentations in concurrent sessions, 3 tutorials (DDI introduction, RDF Discovery vocabulary, Java DDI library Stardat), and 5 posters. The Keynote Address was given by Peter Knight (Deputy Director, Head of Research Information and Intelligence, Research and Development Directorate, Department of Health, United Kingdom Government). He focused on the challenges of collecting, getting access to, using, and analyzing data in the health sector in the UK and Europe and pointed out the importance of metadata for these purposes. Louis Corti of the UK Data Archive spoke in a second plenary presentation on “Incentivising Uptake of Metadata in the Social and Behavioural Sciences.” Save the date for the next EDDI! EDDI2015 will take place in Copenhagen at Statistics Denmark and the National Archives on December 2-3, 2015. ![]() Participants in the tutorial on “Working with the STARDAT DDI-Lifecycle Library,” led by Alexander Mühlbauer Open Source License for Atlassian Products ObtainedThe DDI Alliance applied for and received an open source license for use of the Atlassian suite of collaboration software products. This means the software is available to the DDI community without charge. We now have working instances of the following: Confluence, Jira, and Bitbucket. ![]() The Atlassian Confluence site as designed by Thérèse Lalor Call to Endorse Principles of Questionnaire and Data DocumentationA meeting on “Survey Metadata: Barriers and Opportunities” was held on June 26, 2014, in London to bring together survey owners, producers, Computer-Assisted Interviewing (CAI) software suppliers, and archives to discuss the challenges of working in a more harmonized climate that avoids the many hours of manual effort spent on creating high-quality survey data documentation. Participants in the meeting agreed to support a set of principles and to define a minimal metadata standard via a designated DDI profile for stakeholders to adhere to. The group is now asking colleagues and organizations that produce and utilize survey data to endorse a set of principles that will make it easier to re-use survey metadata across the data lifecycle. OAI-PMH Server Kuha AnnouncedThe Finnish Social Science Data Archive (FSD) has developed an OAI-PMH server named Kuha to publish its metadata. The server software was open sourced and its source code is now available on Github under the BSD3 license. Kuha may be a good starting point for other organizations planning to publish their metadata via OAI-PMH but not already using digital repository software with OAI-PMH support. Kuha includes a loader for DDI Codebook XML files and a crosswalk from DDI to unqualified Dublin Core. Custom modules for loading and converting metadata in other formats can be written in Python. For more information, please send email to: arttu.yla-outinen@staff.uta.fi DDI in Evidence at HLG Meeting in NovemberThe DDI Alliance, represented by Arofan Gregory, was invited to attend a meeting of the High Level Group for the Modernization of Statistical Production and Services in Geneva on November 19-20, 2014. Arofan provided this report: There were approximately 50 people in attendance, coming from many different organizations and initiatives from among the official statistics agencies, both national and international, and some central banks. The program covered reports from the two “flagship” projects: Big Data and the Common Statistical Production Architecture (CSPA) services work. Following this, each of the four major modernization committees reported on work over the past year. The general consensus was that since last years’ projects had produced some very interesting results, the best idea was to take the exploratory work that has been done in the areas of Big Data and the “plug-and-play” CSPA services, and continue with the goal of realizing these as production-level products, rather than just prototypes. There was much discussion of DDI at the meeting. A proposal was made to take a few important steps regarding the use of DDI and SDMX in CSPA. The first step for DDI would to complete the DDI Profile work (based on GSIM), which was started in the past. With good profiles in hand for the CSPA services being created, these would be thoroughly documented with the NSIs as the target audience. Based on this, a simple API for reading and writing DDI would be created. We did some exploration of this idea when we were at Dagstuhl this past fall. We looked at GSIM (the CSPA services are all GSIM-based) and were able to reduce the API to 14 functions, seven for reading DDI and seven for writing it. A prototype implementation to test the idea has been started. This approach was discussed at length with many people at the workshop, and found strong support. In general, this was a successful meeting, with a clear commitment to the use of DDI in the CSPA work and elsewhere within the HLG. Invitation to Participate in Building the GLBPMMarcel Hebing has been using the Generic Longitudinal Business Process Model, or GLBPM, in his work on DDI on Rails and in his thesis. The GLBPM is based on the Generic Statistical Business Process Model (GSBPM), developed under the “Frameworks and Standards for Statistical Modernisation” project by the High-Level Group for the Modernisation of Statistical Production and Services. Marcel has found the GLBPM helpful for both practical and theoretical work. He was involved in creating the first version of it at a Schloss Dagstuhl workshop and is now interested in developing this concept further. He is currently working on the definition of digital objects (like questionnaires, datasets, etc.) that are used as inputs/outputs between the steps of the model. A next step might be to link the process steps directly to elements in DDI4. To make the GLBPM more visible, Marcel gave it a home on the Internet: http://www.ddionrails.org/glbpm/ Furthermore, he created a Github project including a wiki for editing of the model: https://github.com/ddionrails/glbpm/wiki If you are interested in joining this project, please send email to Marcel Hebing with your Github user name and he will give you write access to the project. ![]() New Version of fida for XML Revision Tracking AvailableJani Hautamäki from the Finnish Data Archive recently released Version 0.9.6 of the fida software, an element-wise XML revision tracking and version control tool written in Java. The software can be used to do both the revision tracking and the version control of any XML file that uses a language similar to DDI or SDMX. The source code is available on GitHub, and the official pages are maintained on Google Code. If you are new to fida, the introduction tutorial is a good way to get started. Colectica 5 ReleasedColectica recently announced the release of Colectica 5. New features include:
You can read more at http://www.colectica.com/news/Colectica-5-released Colectica has also implemented a new pricing model. Many grant-funded projects have requested the flexibility to align their software usage with a grant timeline. To that end, in addition to the traditional perpetual licenses, Colectica Designer is also now available by monthly subscription. Also, a new version of Colectica Reader 5 is available for free. DDI to be Featured at ESRA ConferenceThe European Survey Research Association (ESRA) conference will take place July 13-17, 2015, in Reykjavik, Iceland, and will include two sessions on metadata. Recent Developments in Survey Metadata Capture, Discovery and Harmonisation Session organizers: Jack Kneeshaw (UK Data Archive, University of Essex), Jon Johnson (Centre for Longitudinal Studies, Institute of Education), Joachim Wackerow (GESIS — Leibniz Institute for the Social Sciences) Current versions of CAI software are limited in their ability to provide metadata for reuse, even as a by-product of their primary function of collecting data. This session will address the cultural, logistical and technical barriers to the contemporaneous capture of these metadata. It will also showcase emerging solutions to the problem, including developments in the extraction of survey metadata from CAI scripts to create XML files compliant with metadata standards such as the Data Documentation Initiative (DDI). In addition, the session will address recent developments in the UK and elsewhere in Europe where the creation of historical survey metadata repositories could be used to inform the future collection of metadata not only for discovery purposes but also to flag harmonisations and equivalences across surveys/studies. Structured Metadata: Applications, Processes, Perspectives Session organizers: Knut Wenzig (German Institute for Economic Research - DIW / German Socio-Economic Panel - SOEP), Daniel Bela (Leibniz Institute for Educational Trajectories - LIfBi / National Educational Panel Study - NEPS) Various metadata systems for different stages of the data management lifecycle (e.g., questionnaire development, data preparation, documentation, data dissemination) are in use at institutions dealing with survey research. Resulting benefits are manifold: Data users can take advantage of metadata-driven portals which make it easy to search for variables; instrument developers can quickly find questions used in other surveys. Some of these metadata systems make use of evolving metadata standards (such as DDI or SDMX), some others are developed independently as custom solutions. Most of them have one idea in common: Structured metadata, stored in relational databases, make it possible to have one single source of information for data on data. While metadata infrastructure in the first instance sets up the framework, processes have to be established to deploy these systems. This session aims to focus on systems which are already implemented and in productive use, with an emphasis the features of the systems, e.g., on the reuse of information on objects, the capability to deal with multilingual content or to drive data preparation, and their practical implementation. Workflows for managing and making use of metadata will also be addressed. More information on the ESRA Conference: DDI Annual Report AvailableThe Annual Report for 2014 is available online. Highlights for the year include the new Alliance Strategic Plan and the establishment of the Scientific Board. ![]() DDI Website Being Revamped![]() The DDI website is being redesigned: current content and navigation are being analyzed and reviewed with a view to making the site more usable. The site will also get a new graphic look. The DDI Web Team welcomes participation in these activities, which will conclude by summer 2015. Web Team members include Web developers Michael Iannaccone (ICPSR), Olof Olsson (Swedish National Data Service, SND), and Stephanie Roth (SND). Kelly Chatain, Associate Archivist from the University of Michigan, Survey Research Operations, is also assisting in the effort as is Jingjing Wu, Web Services Librarian at the University of Mississippi Libraries. |