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Enhancing Collaborative Tagging Systems Through Synonym Control
- 1. 4004 acm ajax collaborative enhancing animatedgif apache applescript art articles awareness Backup benchmark bibliography bibtex blog books browser bugtracking bwl cassette censorship chair collaborative china citation classification client cms code community tagging systems conference controlled vocabulary convert costumes cover css customization dashboard database del.icio.us delicious through design development Lukas Gwardak dpi e-book e-mail emulator engelbart faq file firefox folksonomy fon framework synonym free google graph graphics hack hacks hardware hci history htaccess control html icons id interaction javascript jobmarket jobs lafonera lamp latex
- 2. Agenda Information OrganizationMetadata Collaborative tagging Benefits & drawbacks Solution proposal Prototype demo Findings & Conclusion
- 3. Information Organization Traditionallydriven by Librarians Classification Systems Controlled Vocabularies Hierarchical structure Maintained by professionals Good at accuracy (research) Bad at scaling up (web)
- 4. Information Organization WWW(11.5 B documents 1 ) LCSH (5 volumes) 1 Gulli, A. Signorini, A. (2005): The Indexable Web is more than 11.5 billion pages ?
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- 6. Metadata Data aboutdata Surrogate for real objects (Mostly) manual extraction Author- or editor-based
- 7. Metadata Author: DouglasAdams Title: The Hitchhiker‘s Guide To the Galaxy Year: 1979 Genre: Science-Fiction Publisher: Megadodo Publications Pages: 320 Cover: Paperback ISBN: 978-0345391802
- 8. Metadata Artist: MilesDavis Album: Kind of Blue Year: 1959 Genre: Jazz Label: Columbia Duration: 55‘21 Mastering: AAD
- 9. Metadata File Size:527.707 Bytes File Type: JPEG Manufacturer: Canon Model number: PowerShot G3 Image orientation: Top, left Resolution (width): 72 ppi Resolution (height): 72 ppi Exposure time: 1/200 s f number: 3,2 Date & time of image: 2005:11:19 16:19:01
- 10. Metadata <HTML> <HEAD><META name="DC.date" content="2007-01-12" /> <META name="DC.subject" content="Art photography" /> <META name=”DC.authors” content=”Lukas Gwardak” /> <META name=”DC.keywords” content=”photo, art, camera” /> ...
- 11. Collaborative Tagging Makethe users contribute metadata! Tags = labels = simple keywords No controlled vocabulary No hierarchy Simple, Fast, Intuitive Driven by incentives to find own resources and discover new ones
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- 13. Collaborative Tagging Versatile& Instantly Extensible Democratic / Community-based Instant discovery of Related Information Various application domains: Social Bookmarking Content management Site Navigation
- 14. Social Bookmarking Storeyour bookmarks online Share your bookmarks with others Assign tags to your bookmarks Find your bookmarks using tags Find related bookmarks Subscribe to tags
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- 17. Identified problems withCT Lack of Structure Language variability Arbitrariness, no synonym control Recall / Precision Tag spam Privacy issues
- 18. Synonym Control Blog blogger blogging blogs bookmarks bookmark bookmarking tagging tags reference howto
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- 20. Field Study 4weeks field study Over 200 participants 80 distinct tags 15 synonym groups Feedback from end-users and experts
- 21. Findings & ConclusionSynonym-based suggestion works! Findability CAN be improved Room for improvement: Better interaction design Create incentives for more accuracy Integration of a lexical database Private synonyms?
- 22.