Dublin Core Conference, 12 October 2004, Shanghai, China p. 1 Making Metadata go away Hiding everything but the benefits Erik Duval Dept. Computerwetenschappen K.U.Leuven

p. 2 Dublin Core Conference, 12 October 2004, Shanghai, China creativecommons.org Attribution. The licensor permits others to copy, distribute, display, and perform the work. In return, licensees must give the original author credit. Share Alike. The licensor permits others to distribute derivative works under a license identical to the one that governs the licensor's work.

p. 3 Dublin Core Conference, 12 October 2004, Shanghai, China In a nutshell… Great to have all these metadata –DC, LOM, MPEG, … We should have many more –Not locked up, and different kinds… We should see many less –And make them work better for us… We can do this now! –Does not require technology breakthrough!

p. 4 Dublin Core Conference, 12 October 2004, Shanghai, China “The perfect is the enemy of the good” --French proverb Especially when perfecting the irrelevant!

p. 5 Dublin Core Conference, 12 October 2004, Shanghai, China ? Is this making life easier ?

p. 6 Dublin Core Conference, 12 October 2004, Shanghai, China Articles of faith Standards are not for end users. Nor are metadata. Nor was HTML. (Or URL for that matter!)

p. 7 Dublin Core Conference, 12 October 2004, Shanghai, China Which do you prefer?

p. 8 Dublin Core Conference, 12 October 2004, Shanghai, China Tipping Point Inflection “tipping” point inventionadoption pioneers everyone

p. 9 Dublin Core Conference, 12 October 2004, Shanghai, China You are not representative People here care a lot about features People here want reliability, convenience “no fuss or bother” Chrossing the chasm

p. 10 Dublin Core Conference, 12 October 2004, Shanghai, China How do we make this work? 1.“good enough” metadata can be generated automatically –Not rocket science, but context! 2.Communities will add manual metadata –They will be glad to! 3.Multiple metadata per object is OK! –Especially subjective!

p. 11 Dublin Core Conference, 12 October 2004, Shanghai, China Librarian metadata doesn’t scale!

p. 12 Dublin Core Conference, 12 October 2004, Shanghai, China Electronic forms must die ! Ariadne, Merlot, …

p. 13 Dublin Core Conference, 12 October 2004, Shanghai, China Source 1: Document itself Full text indexing –Google, … –Search Inside the Book ® Integration in authoring tool –Microsoft, Macromedia, … –Includes author, date, … HTML scraping Language: 20 words…

p. 14 Dublin Core Conference, 12 October 2004, Shanghai, China bloomba, gmail, …

p. 15 Dublin Core Conference, 12 October 2004, Shanghai, China Desktop: Enfish, copernic

p. 16 Dublin Core Conference, 12 October 2004, Shanghai, China Source 2: context Ariadne/Blackboard –User –Course  admin  audience, language, subject, difficulty, … –Local policy

p. 17 Dublin Core Conference, 12 October 2004, Shanghai, China IndexingFormOCW.html

p. 18 Dublin Core Conference, 12 October 2004, Shanghai, China Contextualized search: Blinkx, A9, …

p. 19 Dublin Core Conference, 12 October 2004, Shanghai, China Source 3: related content Language from aggregate Learning time = ∑ learning times ~ object oriented inheritance (aggregation!)

p. 20 Dublin Core Conference, 12 October 2004, Shanghai, China Thanks to Wayne Hodgins & Learnativity! English French

p. 21 Dublin Core Conference, 12 October 2004, Shanghai, China Thanks to Wayne Hodgins & Learnativity! =

p. 22 Dublin Core Conference, 12 October 2004, Shanghai, China We can cluster too! Also: Grokker Kartoo …

p. 23 Dublin Core Conference, 12 October 2004, Shanghai, China Really… grokker

p. 24 Dublin Core Conference, 12 October 2004, Shanghai, China Research on Content Model “Documents must die” Intra-object interoperability Dynamic content composition Katrien Verbert, Erik Duval, Towards a Global Architecture for Learning Objects: A Comparative Analysis of Learning Object Content Models, EdMedia2004

p. 25 Dublin Core Conference, 12 October 2004, Shanghai, China Source 4: Author French Physics Free university Dutch Art history Creative commons Academy French Tennis © Professional training

p. 26 Dublin Core Conference, 12 October 2004, Shanghai, China Source 5: Actual use TiVo –Simple –Part of “workflow”

p. 27 Dublin Core Conference, 12 October 2004, Shanghai, China “stuff I’ve seen”

p. 28 Dublin Core Conference, 12 October 2004, Shanghai, China Social recommending

p. 29 Dublin Core Conference, 12 October 2004, Shanghai, China Social recommending/transparent profiling

p. 30 Dublin Core Conference, 12 October 2004, Shanghai, China Manual metadata: Photolib

p. 31 Dublin Core Conference, 12 October 2004, Shanghai, China Manual metadata: CDDB 10,000 submissions daily from 160 countries in 65 languages (submit a change)

p. 32 Dublin Core Conference, 12 October 2004, Shanghai, China Manual metadata: ESP

p. 33 Dublin Core Conference, 12 October 2004, Shanghai, China This is only the start… Search –Or rather: find, not search! –Also: information visualization Empirical analysis –What do people do with metadata? –Can we make them do better? Measuring learning effect –Not just download

p. 34 Dublin Core Conference, 12 October 2004, Shanghai, China In conclusion… Great to have all these metadata –DC, LOM, MPEG, … We should have many more –And some different kinds… We should see many less –And make them work better for us… We can do this now! –Does not require technology breakthrough! –Document, context, related, author, use, …

p. 35 Dublin Core Conference, 12 October 2004, Shanghai, China Want more?

p. 36 Dublin Core Conference, 12 October 2004, Shanghai, China The End... Thanks! Questions?