DDI-RDF Discovery Vocabulary_

Use Cases and Vocabularies

Thomas Bosch

GESIS – Leibniz Institute for the Social Sciences, Germany thomas.bosch@gesis.org

boschthomas.blogspot.com

5th European DDI User Conference 04 December 2013, Paris, France

Why DDI as Linked Data?

class overview

«union»

VariableQuestion

InstrumentQuestionnaire

dcat:DatasetLogicalDataSet

skos:ConceptAnalysisUnit

skos:ConceptUniverse

Study

StudyGroup

1..* product

0..*

0..*inGroup

0..1

1..*

variable 0..*

0..*universe1

1..*

containsVariable

0..*

0..*

question

1..*0..*

universe

1

0..*

analysisUnit0..1

0..*

universe

1

0..*question0..*

0..*

analysisUnit

0..1

0..*

universe

1..*

Overview

Where

to search for

data?

Which

microdata does exist

according to specific

metadata?

Which datasets

are associated with the

microdata?

Which

aggregated data according to specific

metadata does exist?

Which datasets

are associated with

aggregated data?

From which microdata datasets is the

aggregated dataset

derived?

Which summary

statistics does a

variable have?

Which

category statistics does a

variable representation have?

Which microdata datasets are created by the research institute

'GESIS'?

Conclusion

Thank you for your attention…