Your SlideShare is downloading. ×
Workshop on Semantic Statistics - Representation of the Data Documentation Initiative using Semantic Web Technologies
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Workshop on Semantic Statistics - Representation of the Data Documentation Initiative using Semantic Web Technologies

371
views

Published on

Workshop presentation: Semantic Statistics for Social, Behavioural, and Economic Sciences: Leveraging the DDI Model for the Web (12.09.2011 - 16.09.2011)

Workshop presentation: Semantic Statistics for Social, Behavioural, and Economic Sciences: Leveraging the DDI Model for the Web (12.09.2011 - 16.09.2011)

Published in: Technology, Education

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
371
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
11
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Representation of theData Documentation Initiative using Semantic Web Technologies Workshop on Semantic Statistics 12.09.2011 – 16.09.2011 Thomas Bosch (research associate, GESIS Leibniz Institute for the Social Sciences)
  • 2. Agenda• Use Cases• Take-aways and Discussion 2
  • 3. Publish and Link DDI Data and Metadata Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/ 3
  • 4. Semantic Queries• What kinds of problems can be solved?• Queries on multiple, distributed and merged DDI instances• Formulation using DDI domain concepts ?question contains questionScheme ?questionSELECT ?question ?questionWHERE { questionScheme contains ?question. } 4
  • 5. Integration of Other Ontologies• Domain ontologies classes can relate to similar concepts of external ontologies• Reasoner may use additional semantic information DDI Other Domain Ontologies Ontology (Question) (Question) 5
  • 6. DDI Consistency Check• Definition of consistency• OWL reasoning techniques • Class consistency • Global consistency• Global consistency of DDI ontology Global consistency of DDI data model 6
  • 7. Concept HierarchyVariable Concept Concept Concept SimilarConceptReference SimilarConcept Difference Reference text + html (superClassOf) 7
  • 8. Concept Hierarchy Concept subConceptOf hasConceptVariable 8
  • 9. DDI Elements‘ Comparability Grade_USA hasCode subClassOf A subClassOfVariable Code subClassOf 1.0 subClassOf hasCode Grade_Germany• Necessary conditions (equality, inequality, similarity, …) 9
  • 10. References OtherMaterial type ExternalURL Citation Relationship Reference RelatedTo DCElements ... ReferenceTitle Creator URN … … ... 10
  • 11. References OtherMaterial type Drawbacks: ExternalURL Citation Relationship Reference • type • complex data model RelatedTo DCElements ... • no intuitive semantics Reference • bibliographic citation limitsTitle Creator URN • ensure reusability? … … ... 11
  • 12. Semantic References referencesPublicationReferencing Publication IDPublication subClassOf X publicationReferencedBy Variable Title Creator Date URL 12
  • 13. Agenda• Use Cases• Take-aways and Discussion 13
  • 14. http://ddiandsemanticweb.blogspot.com Concept SPARQL Hierarchies Queries Consistency References LOD Cloud Use Cases Comparability Ontology Integration

×