Mitarbeitendenverzeichnis

Zeitschriftenaufsatz

Hopt, Oliver, Claus-Peter Klas, and Alexander Mühlbauer. 2018. "Flexible DDI storage." IASSIST Quarterly 2018 (42). doi: https://doi.org/10.29173/iq923.

Hoyle, Larry, Joachim Wackerow, and Oliver Hopt. 2010. "DDI 3: Extracting metadata from the data analysis workflow." DDI Working Paper Series (Use Cases, No. 4). doi: https://doi.org/10.3886/DDIUseCases04.

Wira-Alam, Andias, and Oliver Hopt. 2010. "Implementing DDI 3: the German Microcensus Case Study." IASSIST Quarterly vol. 33, issue 1/2, Spring 2009. http://www.iassistdata.org/downloads/iqvol3312hopt.pdf.

Amin, Alerk, Michelle Edwards, Oliver Hopt, Jannik Jensen, Dan Kristiansen, Olof Olsson, and Joachim Wackerow. 2009. "Questasy: Documenting and disseminating longitudinal data online using DDI 3." DDI Working Paper Series. doi: https://doi.org/10.3886/DDIUseCases01.

Beitrag im Sammelwerk

Klas, Claus-Peter, and Oliver Hopt. 2018. "An operationalized DDI Infrastructure to document, publish, preserve and search social science research data." In 22nd International Conference on Theory and Practice of Digital Libraries, edited by Eva Méndez, https://doi.org/10.1007/978-3-030-00066-0_8.

Schaible, Johann, Zeljko Carevic, Oliver Hopt, and Benjamin Zapilko. 2015. "Utilizing the Open Movie Database API for Predicting the Review Class of Movies." 4. In Knowledge Discovery and Data Mining Meets Linked Open Data 2015, edited by Johanna Völker, Heiko Paulheim, Jens Lehmann, and Vojtech Svatek, Aachen: CEUR. urn: urn:nbn:de:0074-1365-8. http://ceur-ws.org/Vol-1365/.

Wilde, Anja, Agnieszka Wenninger, Oliver Hopt, Philipp Schaer, and Benjamin Zapilko. 2010. "Aktivitäten von GESIS im Kontext von Open Data und Zugang zu sozialwissenschaftlichen Forschungsergebnissen." In Semantic Web & Linked Data : Elemente zukünftiger Informationsinfrastrukturen ; 1. DGI-Konferenz ; 62. Jahrestagung der DGI, Frankfurt am Main, 7.-9. Oktober 2010 ; Proceedings, edited by Marlies Ockenfeld, 183-192.

Hopt, Oliver. 2009. "QDDS III: Ein Werkzeug zur Dokumentation von Fragebögen für Wissenschaftler und Datenarchive." In Information: Droge, Ware oder Commons?: Wertschöpfungs- und Transformationsprozesse auf den Informationsmärkten; Proceedings des 11. Internationalen Symposiums für Informationswissenschaft (ISI 2009) ; Konstanz, 1. - 3. April 2009, 547-548. Boizenburg: Hülsbusch.

Arbeits- und Diskussionspapier

Bohr, Jeanette, Oliver Hopt, Andrea Lengerer, Julia Henrike Schroedter, and Andias Wira-Alam. 2010. Mikrodaten-Informationssystem MISSY: Metadaten zu den Mikrozensus Scientific Use Files (Abschlussbericht MISSY II). GESIS-technical reports 2010/07. Bonn: GESIS. https://www.ssoar.info/ssoar/handle/document/20717.

Amin, Alerk, Arofan Gregory, Jannik Jensen, Dan Kristiansen, Mary Vardigan, and Oliver Hopt. 2009. Questionnaire management and DDI: the QDDS case. DDI Working Paper Series - Use Cases No. 5. Dagstuhl: DDI Alliance. http://dx.doi.org/10.3886/DDIUseCases05.

Daten/Software

Gillman, Daniel, Jay Greenfield, Arofan Gregory, Oliver Hopt, Larry Hoyle, Hilde Orten, Flavio Rizzolo, Wendy Thomas, and Joachim Wackerow. 2020. DDI Cross Domain Integration (DDI-CDI) Public Review (metadata specification). https://ddi-alliance.atlassian.net/wiki/spaces/DDI4/pages/860815393/DDI+Cross+Domain+Integration+DDI-CDI+Review.

Konferenzbeitrag

Hopt, Oliver, and Claus-Peter Klas. 2023. "Mixed-mode survey creation as a key scenario for tool support of the DDI variable cascade." 15th Annual European DDI User Conference (EDDI 2023), University of Ljubljana, 2023-11-27.

Hopt, Oliver, and Lydia Repke. 2023. "Speeding up questionnaire development by software development principles." European Survey Research Association (ESRA) 2023 Conference, Università degli Studi di Milano-Bicocca, Milano, 2023-07-17.

Klas, Claus-Peter, and Oliver Hopt. 2022. "DDI Variable Documentation and data access using R." 14th Annual European DDI User Conference (EDDI 2022), SciencePo, Paris, France, 2022-11-28.

Klas, Claus-Peter, Thomas Krämer, Sigit Nugraha, and Oliver Hopt. 2022. "Experiences with converting DDI among versions using DDI-FlatDB: From Documentation to Search for Questions for Service Provider using DDI." IASSIST 2022, 7-10 June, Gothenburg, Online, 2022-06-07.

Krämer, Thomas, Esra Akdeniz, Claus-Peter Klas, Alexander Mühlbauer, Oliver Hopt, and Martin Friedrichs. 2021. "DDI Search: The missing link between researcher and repository." European DDI User Conference 2021, Online, 2021-11-30. doi: https://doi.org/10.5281/zenodo.5747138.

Klas, Claus-Peter, Oliver Hopt, and Sigit Nugraha. 2019. "DDI based Questionnaire Editor." EDDI19 – 11th Annual European DDI User Conference, Finnish Social Science Data Archive, 2019-12-02.

Klas, Claus-Peter, and Oliver Hopt. 2018. "Envisioned Architecture for Empirical Survey Documentation Based on DDI-FlatDB." EDDI18 – 10th Annual European DDI User Conference, 2018-12-04.

Hopt, Oliver, Claus-Peter Klas, and Alexander Mühlbauer. 2017. "DDI-FlatDB: Next steps." EDDI17 – 9th Annual European DDI User Conference. http://www.eddi-conferences.eu/ocs/index.php/eddi/eddi17/paper/view/301.

Hopt, Oliver, Claus-Peter Klas, Wolfgang Zenk-Möltgen, and Alexander Mühlbauer. 2017. "Efficient and Flexible DDI handling for the development of multiple Applications." IASSIST 2017 - Data in the Middle: The common language of research, 2017-05-24.

Hopt, Oliver, Claus-Peter Klas, and Alexander Mühlbauer. 2017. "Lessons Learned with Additional Mappings into DDI-FlatDB." EDDI17 – 9th Annual European DDI User Conference. http://www.eddi-conferences.eu/ocs/index.php/eddi/eddi17/paper/view/300.

Hopt, Oliver, Claus-Peter Klas, Alexander Mühlbauer, and Wolfgang Zenk-Möltgen. 2016. "Rich Metadata from the Start: QMD for the use case of GLES." EDDI16 – 8th Annual European DDI User Conference. http://www.eddi-conferences.eu/ocs/index.php/eddi/eddi16/paper/view/277.

Klas, Claus-Peter, Oliver Hopt, Wolfgang Zenk-Möltgen, and Alexander Mühlbauer. 2015. "DDI - FlatDB: Efficient Access to DDI." EDDI15 – 7th Annual European DDI User Conference.

Mutschke, Peter, and Oliver Hopt. 2015. "PIDs4SOM. Persistence of Scholarly Content on the Social Web." Science 2.0 Conference. http://www.science20-conference.eu/wp-content/uploads/2015/04/13.02_Poster_-_-PIDs4SOM__Persistence_of_Scholarly_Content_on_the_Social_Web.pdf.

Schaible, Johann, Zeljko Carevic, Oliver Hopt, and Benjamin Zapilko. 2015. "Utilizing the Open Movie Database API for Predicting the Review Class of Movies." Knowledge Discovery and Data Mining Meets Linked Open Data at ESWC 2015, 2015-05-31.

Hopt, Oliver, and Brigitte Mathiak. 2014. "Generating database and domain models from DDI 4." EDDI14 – 6th Annual European DDI User Conference.

Schaible, Johann, Brigitte Mathiak, and Oliver Hopt. 2011. "Structuring unstructured data using controlled vocabularies." Data Science Professionals: a Global Community of Sharing at the International Association for Social Science Information Services and Technology conference (IASSIST).

Wira-Alam, Andias, and Oliver Hopt. 2010. "Implementing DDI 3.0 : a case study of the German Microcensus." IASSIST 2010 Conference "Social Data and Social Networking: Connecting Social Science Communities Across the Globe".

Wira-Alam, Andias, and Oliver Hopt. 2009. "Implementing DDI 3.0 : a case study of the German Microcensus." 1st Annual European DDI Users Group Meeting: DDI - The Basis of Managing the Data Life Cycle. \server24gruppe-2PRESENTATIONSConferences2009EDDI09.

Hopt, Oliver, and Maximilian Stempfhuber. 2009. "QDDS - Documenting survey questionnaires throughout their lifecycle." NCeSS: 5th International Conference on e-Social Sience.

Schnell, Rainer, Anja Zwingenberger, Oliver Hopt, and Maximilian Stempfhuber. 2009. "QDDS III: a tool for documenting survey questionnaires for researchers and data archives." ESRA 2009: 3rd Conference of the European Survey Research Association. http://www.surveymethodology.eu/conferences/warsaw-2009/sessions/169/.

Wira-Alam, Andias, and Oliver Hopt. 2008. "DDI 3 Editor." Workshop on "The Data Documentation Initiative [DDI] XML Standard : Support Preservation, Management, Access & Dissemination Systems for Social Science Data".