1. Rich metadata from the start
QMD for the use case of GLES
Oliver Hopt, Claus-Peter Klas, Alexander Mühlbauer, Wolfgang Zenk-Möltgen
EDDI Cologne
License: CC BY 4.0 (exceptions see last slide)

2. Agenda Use case/usage scenarios Architecture Application Perspective
(Live demo)

3. Initial use case: GLES Questionnaires 2017
GLES: German Longitudinal Election Study
Necessary for the election in September 2017
Questionnaire development from early 2017
Detailed talk by Manuela Blumenberg at EDDI 2015

4. Functional requirements
Create, edit and manage questions
Arrange questionnaire
Various exports
Workflow support
Import of older questions
Tracing questions over time
Social functions would be nice
Discuss questions
Tag questions

5. Architecture Reporting Tool DBK Edit DSDM DDI-Entities Editor QMD
DDI-FlatDB
DBK Portal
Variable Search
CBE

6. DDI-FlatDB Storage of XML-snippets in one table
Split/Rebuild by configuration
Configurable data beans (use case driven)
Detailed talk by Claus-Peter Klas at EDDI 2015

7. Vaadin Application
GWT based server-side framework to build UIs via Java
Can be combined with various frameworks/libraries
Spring, Hibernate, JQuery…
Implementation as stateful client
Large set of fancy UI-widgets
Complete transparency of web-UI
Single-Page application

8. Management Screen

9. Question preview

10. Question editing window

11. Questionnaire arrangement

12. Perspective
Complete management and editing functionality until early 2017
In addition
Versioning via Envers
First collaborative functions
Better tagging
Discussion via GNU social (to be evaluated)
Microblogging solution
Supporting Hashtags
Twitter API

13. Scenario beyond 2017 Support for large studies within GESIS
Support for large studies in general
Workspace for individual researchers and students
Going open source

14. Time for questions Oliver Hopt oliver.hopt@gesis.org
Claus-Peter Klas
Alexander Mühlbauer
Wolfgang Zenk-Möltgen

15. License This presentation is offered under license CC-BY 4.0.
The license does not apply to the following copyrighted material used in this presentation:
The logo of GESIS
The slideshow layout of GESIS
The contained photographs of GESIS buildings