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RDF IN HYDRA SUMMIT
OVERVIEW
Brought to you by
Karen Estlund
Head, Digital Scholarship Center
University of Oregon
kestlun...
Participants
• Declan Fleming, UCSD
• Matt Critchlow, UCSD
• Tom Cramer, Stanford
• Lynn McRae, Stanford
• Chris Beer, Sta...
Objectives
1. Compare Practices and Approaches

2. Examine the implications / opportunities:
• Fedora 4
• Hydra
Discussion Highlights
RDF is not synonymous with Linked Data.

RDF is a mechanism to leverage Linked Data.
Convoluted Terms
• Data Model

• Ontology
• Application Profile
• Data Dictionary
RDF in Hydra In Practice
• Qualified Dublin Core

• GeoNames

• MODS

• LC Subjects

• Heterogeneous
• Dublin Core
• MODS
...
od:mk61rg94h

dct:title ‘A Cake-Shop Romance’

od:mk61rg94h

marcrel:cmp

lcna:82102932

od:mk61rg94h
opns:sheetmusic/firs...
Why RDF?
It’s Coming

Photo by Terry Reese. CC-BY-SA.
Cburnett. (2007 April 6). Model of the atom by Ernest Rutherford.
http://commons.wikimedia.org/wiki/File:Rutherford_atom.s...
Why RDF?
• Granularity of description
• Flexibility of schema
• Extensibility of schema
• Re-usability and utilization of ...
Skolemization
• Assigning a URI to a Blank Node
My
Presentation

Give me a place in this
world!
dcite:creator
dcite:nameId...
http://goo.gl/GdHE52
RDF in Hydra Architecture
Next Steps
1. Start a Hydra Working Group to address these
2.
3.
4.
5.

issues
Interested?
Come find me or other RDF afici...
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RDF in Hydra Summit Overview

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RDF in Hydra Summit Overview

  1. 1. RDF IN HYDRA SUMMIT OVERVIEW Brought to you by Karen Estlund Head, Digital Scholarship Center University of Oregon kestlund@uoregon.edu
  2. 2. Participants • Declan Fleming, UCSD • Matt Critchlow, UCSD • Tom Cramer, Stanford • Lynn McRae, Stanford • Chris Beer, Stanford • Mark Bussey, DCE • Mike Giarlo, Penn State • Tom Johnson, Oregon State • Karen Estlund, University of Oregon • Jon Stroop, Princeton University • Jeremy Friesen, Notre Dame • James Van Mil, University of Cincinnati
  3. 3. Objectives 1. Compare Practices and Approaches 2. Examine the implications / opportunities: • Fedora 4 • Hydra
  4. 4. Discussion Highlights
  5. 5. RDF is not synonymous with Linked Data. RDF is a mechanism to leverage Linked Data.
  6. 6. Convoluted Terms • Data Model • Ontology • Application Profile • Data Dictionary
  7. 7. RDF in Hydra In Practice • Qualified Dublin Core • GeoNames • MODS • LC Subjects • Heterogeneous • Dublin Core • MODS • VRA Core • DarwinCore • DataCite • Etc… • Lexvo Languages • LC Genres • AAT • Etc..
  8. 8. od:mk61rg94h dct:title ‘A Cake-Shop Romance’ od:mk61rg94h marcrel:cmp lcna:82102932 od:mk61rg94h opns:sheetmusic/firstLine ‘The gingerbread man all crisp and alert’
  9. 9. Why RDF?
  10. 10. It’s Coming Photo by Terry Reese. CC-BY-SA.
  11. 11. Cburnett. (2007 April 6). Model of the atom by Ernest Rutherford. http://commons.wikimedia.org/wiki/File:Rutherford_atom.svg Used with a CC-BY-SA license.
  12. 12. Why RDF? • Granularity of description • Flexibility of schema • Extensibility of schema • Re-usability and utilization of Linked Data • Self-describing and can carry meaning It’s not just machine readable; it’s machine actionable!
  13. 13. Skolemization • Assigning a URI to a Blank Node My Presentation Give me a place in this world! dcite:creator dcite:nameIdentifier dcite:creatorName Estlund, Karen uo:951...
  14. 14. http://goo.gl/GdHE52
  15. 15. RDF in Hydra Architecture
  16. 16. Next Steps 1. Start a Hydra Working Group to address these 2. 3. 4. 5. issues Interested? Come find me or other RDF aficionados Breakout session today TBD to model out solutions Friday breakout session to work with RDF and ActiveFedora

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