Problems of Comparability in the German Microcensus Over Time and the New DDI Version 3.0. - Jeanette Bohr; Andrea Janssen; Joachim Wackerow (IASSIST Conference, 2006)

Microdata Information System MISSY. - Andrea Janssen; Jeanette Bohr; Joachim Wackerow (IASSIST Conference, 2006)

New Frontiers: Can Panel Studies Go DDI? First Experiences in documenting the German Socio-Economic Panel Study with DDI 3.0. - Jan Goebel; Joachim Wackerow (IASSIST Conference, 2007)

Documenting, Maintaining, and Sharing Standard Variables with DDI Version 3.0: the ISCO example. - Joachim Wackerow (IASSIST Conference, 2007)

The Data Documentation Initiative (DDI). - Joachim Wackerow (Dublin Core Conference, 2008)

Documentation of German Labor Force Data at the IAB: First Experiences with DDI 3.0. - Claudia Lehnert; Joachim Wackerow (IASSIST Conference, 2008)

Workflows for Metadata Creation Regarding Recoding, Aggregation and Other Data Processing Activities. - Hans Jørgen Marker; Wolfgang Zenk-Möltgen; Wendy Thomas; Joachim Wackerow (DDIAlliance.org, 2009)

High-Level Architectural Model for DDI Applications. - Karl Dinkelmann; Pascal Heus; Chuck Humphrey; Jeremy Iverson; Jannik Vestergaard Jensen; Sigbjørn Revheim; Joachim Wackerow (DDIAlliance.org, 2009)

Managing the Metadata Life Cycle: The Future of DDI at GESIS and ICPSRD1. - Peter Granda; Joachim Wackerow; Meinhard Moschner; Wolfgang Zenk-Möltgen; Mary Vardigan (IASSIST Conference, 2009)

Panelist 5: Exanda. - Joachim Wackerow (IASSIST Conference, 2009)

DDI3 Uniform Resource Names: locating and providing the related DDI3 objects. - Joachim Wackerow (IASSIST, 2010)

Exanda - A Flexible On-Line Tabulation System Using DDI 3 (update). - Joachim Wackerow (IASSIST, 2010)

Recent Developments in the DDI Implementation Landscape 1. - Arofan Gregory; Joachim Wackerow (IASSIST Conference, 2011)

Leveraging the DDI Model for Linked Statistical Data in the Social, Behavioural, and Economic Sciences. - Thomas Bosch; Richard Cyganiak; Joachim Wackerow; Benjamin Zapilko (Dublin Core Conference, 2012)

DDI Lifecycle and Qualitative Data: Development of a Formal Model. - Arofan Gregory; Joachim Wackerow (IASSIST Conference, 2012)

DDI-RDF - Trouble with Triples. - Olof Olsson; Thomas Bosch; Benjamin Zapilko; Arofan Gregory; Joachim Wackerow (IASSIST Conference, 2012)

A DDI resource package for the International Standard for Classification of Education (ISCED). - Joachim Wackerow; Hilde Orten (IASSIST Conference, 2012)

Towards the Discovery of Person-Level Data - Reuse of Vocabularies and Related Use Cases. - Thomas Bosch; Benjamin Zapilko; Joachim Wackerow; Arofan Gregory (SemStats@ISWC, 2013)

DDI-RDF Discovery Vocabulary: A Metadata Vocabulary for Documenting Research and Survey Data. - Thomas Bosch; Richard Cyganiak; Arofan Gregory; Joachim Wackerow (LDOW, 2013)

An Evaluation of Metadata and Data Quality on Person-Level, Aggregated, Thesauri, Statistical Classifications, and Rectangular Data Sets. - Thomas Bosch; Benjamin Zapilko; Joachim Wackerow; Kai Eckert 001 (CoRR, 2015)

RDF Constraints to Validate Rectangular Data and Metadata on Person-Level Data, Aggregated Data, Thesauri, and Statistical Classifications. - Thomas Bosch; Benjamin Zapilko; Joachim Wackerow; Kai Eckert 001 (CoRR, 2015)

Validating RDF Data Quality Using Constraints to Direct the Development of Constraint Languages. - Thomas Hartmann 007; Benjamin Zapilko; Joachim Wackerow; Kai Eckert 001 (ICSC, 2016)

Directing the Development of Constraint Languages by Checking Constraints on RDF Data. - Thomas Hartmann 007; Benjamin Zapilko; Joachim Wackerow; Kai Eckert 001 (Int. J. Semantic Comput., 2016)

A URN Namespace for the Data Documentation Initiative (DDI). - Joachim Wackerow (RFC, 2024)