Controlled Vocabularies in RDF (in Hydra)

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A brief overview of Controlled Vocabularies in OregonDigital's Hydra system. Presented 1/23/2014.

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Controlled Vocabularies in RDF (in Hydra)

  1. 1. Controlled Vocabularies with RDF
  2. 2. <http://oregondigital. org/resource/pid123> “A Thing About Hydra” dct:title dct:subject “Hydra”
  3. 3. <http://oregondigital. org/resource/pid123>c “A Thing About Hydra” dct:title dct:subject <http://id.loc. gov/authorities/subjects/sh850632 83> skos:prefLabel skos:broader “Hydra”@en skos:narrower
  4. 4. Features ➢ Fetch/Cache Linked Data ➢ StrictVocabularies ➢ List Terms (drop down menus) ➢ QuestioningAuthority Integration
  5. 5. Adding Vocabs ➢ Register Vocabulary ➢ URI Namespace ➢ ‘Source’ RDF ➢ Generate Vocabs ➢ Rake Task (gen_vocabs) ➢ use_vocabulary in Ruby Class ➢ Optionally: Implement Custom QA
  6. 6. Vocabs in Oregon Digital ➢ ➢ ➢ ➢ ➢ DCMI Type LCSH ISO 639 (Languages) Geonames Rights Statements ➢ ➢ ➢ ➢ CC Licenses CC Public Domain Europeana Local/Custom ➢ Getty AAT (as of Tues.)
  7. 7. Next Steps ➢ Indexing Complex Graphs ➢ Merge into ActiveFedora/Gemify ➢ Establish Recommended Practices ➢ Toolkits for Vocabulary Maintenance
  8. 8. Demo Gist http://bit.ly/hydra-vocabs

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