Presentation 16 may morning keynote seth van hooland
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  • 1. On applesand coconutsMMC Seminar 2013Seth van Hooland
  • 2. Picking the low hanging fruitWhy (and when) do we need RDFValue of URLsLiberate your metadataShort and long term action plan2
  • 3. Worlds shortest course ondata modelingIf you had to catalog a pileof DVDs in 15 minutes,what would you do ?3
  • 4. Flat file4Director Title Actors DateJim Jarmusch Dead ManJohny Depp, GaryFarmer1995Jim Jarmusch Mystery trainSteve Buscemi, JoeStrummerend of the eightiesJim Jarmush Stranger Than ParadiseJohn Lurie, EszterBalint‘84Etc Etc Etc Etc
  • 5. Relational database5ActorIDNameDate of birthID FilmDirectorIDNameDate of birthID FilmFilmsIDTitleDateID DirectorID Actor
  • 6. XML6
  • 7. RDF7JimJarmuschDead ManJohnyDeppNew York1995Neil Younglives indirectedperforms increated incontains thescore ofWilliamBlakerefers to
  • 8. URLs to express subjects,predicates and objects<http://www.imdb.com/name/nm0000464/><http://purl.org/dc/terms/creator><http://dbpedia.org/page/limits_of_control>8
  • 9. Value of a URLBoth identifies and gives accessDifference between encoding■ «Jim Jarmusch»■ http://www.freebase.com/m/0405l9
  • 10. Value of a URLBoth identifies and gives accessDifference between encoding■ «Hilversum»■ http://www.freebase.com/m/0405l10
  • 11. http://ww3.unipark.de/uc/Metadata/
  • 12. Action planClean your metadataReconcile local vocabsMine unstructured metadataIdentify what metadata you can get forfree, but is this sustainable ?Expose your added-value metadata onthe web, but what business value ?18
  • 13. 19
  • 14. Get in touch !Follow @sethvanhooland and@freemetadataVisit freeyourmetadata.orgMail me on svhoolan@ulb.ac.be