Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Concepts and relations


Published on

Published in: Education
  • Be the first to comment

  • Be the first to like this

Concepts and relations

  1. 1. Concepts and Relations Lukas Koster Library of the University of Amsterdam -- 2009
  2. 2. It started with:
  3. 3. It started with:
  4. 4. In the mean time …
  5. 5. In the mean time … Abstract identifiers Multilingual labels
  6. 6. So, the issue is: <ul><li>Objects </li></ul><ul><ul><li>Abstract unique indentifiers </li></ul></ul><ul><ul><li>Synonyms </li></ul></ul><ul><ul><li>Multilingual labels </li></ul></ul>
  7. 7. Once upon a time in a galaxy far far away <ul><li>SwiftBox ( ± 2000-2002) </li></ul><ul><li>New information system to replace 6+ different systems </li></ul><ul><li>NIWI – Nederlands Instituut voor Wetenschappelijk Informatievoorziening (1998-2003?) </li></ul><ul><li>Merger of 6 different KNAW institutions </li></ul><ul><li>Problem: conflicts between “old” metadata owners </li></ul>
  8. 8. Concepts, relations, thesauri <ul><li> </li></ul><ul><li>Objects </li></ul><ul><li>Linked to objects </li></ul><ul><li>Relations defined by Thesaurus </li></ul><ul><li>Objects defined by Thesaurus </li></ul>
  9. 9. SwiftBox Thesaurus <ul><li>“ Abstract” concepts </li></ul><ul><li>Unique identifier </li></ul><ul><li>Synonyms </li></ul><ul><li>Multilingual labels </li></ul><ul><li>Relations: </li></ul><ul><ul><li>RT - Related term </li></ul></ul><ul><ul><li>NT - Narrower term </li></ul></ul><ul><ul><li>BT - Broader term </li></ul></ul><ul><li>Terms in 1 or more thesauri </li></ul>
  10. 10. SwiftBox Object types <ul><li>Based on Thesaurus model </li></ul><ul><li>Fields (attributes) are concepts defined by thesaurus term </li></ul><ul><li>Fields linked to Object </li></ul><ul><li>Object types: template – set of fields </li></ul><ul><li>Optionally: + set of relations </li></ul>
  11. 11. SwiftBox Object types
  12. 12. So, what’s new? <ul><li>SwiftBox </li></ul><ul><ul><li>Objects and relations </li></ul></ul><ul><ul><li>Abstract concepts </li></ul></ul><ul><ul><li>Object types </li></ul></ul><ul><ul><li>Thesauri </li></ul></ul><ul><ul><li>Relations between databases </li></ul></ul><ul><ul><li>Synonyms </li></ul></ul><ul><ul><li>Multilingual labels </li></ul></ul><ul><li>We even had </li></ul><ul><ul><li>Decoupled back and front end </li></ul></ul><ul><li>Semantic Web </li></ul><ul><ul><li>Triples, RDF </li></ul></ul><ul><ul><li>URI’s </li></ul></ul><ul><ul><li>Ontologies </li></ul></ul><ul><ul><li>Vocabularies </li></ul></ul><ul><ul><li>Linked Data </li></ul></ul><ul><li>FRBR </li></ul><ul><ul><li>ERD </li></ul></ul><ul><ul><li>?? </li></ul></ul><ul><ul><li>Group 1 entities </li></ul></ul><ul><ul><ul><li>Work </li></ul></ul></ul><ul><ul><ul><li>Expression </li></ul></ul></ul><ul><ul><ul><li>Manifestation </li></ul></ul></ul><ul><ul><ul><li>Item </li></ul></ul></ul><ul><ul><li>Group 2 entities </li></ul></ul><ul><ul><ul><li>Person </li></ul></ul></ul><ul><ul><ul><li>Corporate body </li></ul></ul></ul><ul><ul><li>Group 3 entities </li></ul></ul><ul><ul><ul><li>Subjects </li></ul></ul></ul>