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Recent Submissions

  • Sample Use Cases for the DataDictionary View in DDI Views (DDI4) 

    Gillman, Dan; Gregory, Arofan; Hoyle, Larry; Wenzig, Knut (2017-04-06)
    The DDI Moving Forward project (DDI-4) is the effort to modernize the way DDI is managed. Through the use of UML (Unified Modeling Language), a software independent representation of DDI is being developed and maintained. ...
  • Improving User Access to Metadata for Public and Restricted Use US Federal Statistical Files 

    Block, William C.; Williams, Jeremy; Vilhuber, Lars; Lagoze, Carl; Brown, Warren; Abowd, John (2013-04-03)
    The US federal statistical system produces prodigious amounts of public and restricted use data. The restricted use data can be difficult to interact with due to poor documentation. Documentation across agencies and the ...
  • The Paradata Information Model 

    Greenfield, Jay; Carpenter, Danielle (2013-04-02)
    Paradata is data on study processes and the collection of study data. Here we describe the development of a Paradata Information Model (PIM) in support of the National Children¹s Study (NCS) of the Eunice Kennedy Shriver ...
  • Administrative Data in the IAB Metadata Management System 

    Schiller, David; Barkow, Ingo (2013-04-02)
    The Research Data Centre (FDZ) of the German Federal Employment Agency (BA) at the Institute for Employment Research (IAB) prepares and gives access to research data. Beside survey data the IAB provides data deriving from ...
  • Rogatus – a planned open source toolset to cover the whole lifecycle 

    Barkow, Ingo; Schiller, David (2013-04-02)
    During the last years several different tools for DDI Lifecycle have been published. Nevertheless none of the current tools is able to cover the full lifecycle from beginning to end. This presentation wants to show a first ...
  • DDI and Relational Databases 

    Amin, Alerk; Barkow, Ingo (2013-04-04)
    Although the DDI standard is expressed in XML, many institutions have a requirement or preference to use relational databases (eg. Access, MySQL, Oracle, Postgres) in their applications. This may be because of integration ...
  • DDI: Metadata to support collection processes, discovery, and comparability 

    Thomas, Wendy (2013-04-04)
    DDI-Lifecycle (DDI-L) was designed to support processes and comparability all through the lifecycle of the data. The result is a standard based on planned reuse of metadata that describes the methodologies used, the processes ...
  • DDI: Capturing metadata throughout the research process for preservation and discovery 

    Thomas, Wendy (2013-04-04)
    DDI supports two development lines, DDI-Codebook (DDI-C) and DDI-Lifecycle (DDI-L). This workshop provides an overview of the uses of both DDI-C and DDI-L in capturing metadata during the research process and how it is ...
  • Using SAS to generate DDI-Codebook XML from Information Managed in Excel Spreadsheets 

    Wright, Philip A. (2013-04-02)
    DDI-C compliant files are used for two distinct rolls by ICPSR to generate variable documentation from information managed in Excel spreadsheets by the data producer. For completed studies, DDI-C compliant files are used ...
  • Metadata Portal Project: Using DDI to Enhance Data Access and Dissemination 

    Vardigan, Mary (2013-04-03)
    The Inter-university Consortium for Political and Social Research (ICPSR), NORC at the University of Chicago, and the American National Election Studies program in the Center for Political Studies at the University of ...
  • DDI - A Metadata Standard for the Community 

    Vardigan, Mary; Wackerow, Joachim (2013-04-02)
    This presentation gives an overview of the primary benefits of DDI like rich content, metadata reuse across the life cycle, and machine-actionability in a global network. Examples of successful adoption are described, along ...
  • DDI Specification: Current Status and Outlook 

    Thomas, Wendy; Gregory, Arofan (2013-04-03)
    An update on current activities and plans from DDI Technical Implementation Committee (TIC) members.
  • Colectica for Excel: Using DDI Lifecycle with Spreadsheets 

    Smith, Dan (2013-04-02)
    Colectica is a suite of modern metadata management software that is used to document statistical datasets, public opinion and survey research methodologies, and data collection. This demonstration will introduce the new ...
  • Applying DDI to a Longitudinal Study of Aging 

    Radler, Barry; Iverson, Jeremy; Smith, Dan (2013-04-02)
    Midlife in the United States (MIDUS) is a large, multi-disciplinary longitudinal study of aging conducted by the University of Wisconsin. MIDUS researchers want to provide a comprehensive, canonical source of documentation ...
  • PANEL: DDI and Metadata from the Researcher's Perspective 

    Thomas, Wendy; Brown, J. Christopher; Nakao, Ron (2013-04-02)
    This was a panel discussion on lifecycle metadata issues from the researcher's perspective. A lot of focus has been placed on how to integrate DDI into large data collection processes in the world of official statistics, ...
  • Panel - Generic Longitudinal Business Process Model 

    Barkow, Ingo; Block, William C.; Greenfield, Jay; Hebing, Marcel; Hoyle, Larry; Thomas, Wendy (2013-04-03)
    This presentation described a model for the processes involved in a longitudinal study. The model was developed at a symposium-style workshop held at Dagstuhl in September of 2011 ( The Generic ...
  • Collaborative Markup of Library and Research Data: Examples from OCUL 

    Leahey, Amber (2013-04-02)
    This presentation will focus on collaborative efforts to capture, store, and disseminate social science survey data & researcher data across all of Ontario's University Libraries. Together through shared platforms and ...
  • DDI-Lifecycle and Colectica at the UCLA Social Science Data Archive 

    Iverson, Jeremy; Stephenson, Elizabeth (2013-04-02)
    The UCLA Social Science Data Archive’s mission is to provide a foundation for social science research involving original data collection or the reuse of publicly available studies. Archive staff and researchers work as ...
  • Welcome to NADDI2013 

    Hoyle, Larry (2013-04-20)
    Welcoming remarks for NADDI 2013
  • REDCap and DDI Exporting Data and Metadata with the API 

    Hoyle, Larry; Van Roekel, Ada (2013-04-03)
    The REDCap (Research Electronic Data Capture) consortium is a group of over 450 institutions that supports a web application which supports data capture for research studies (see The application ...

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