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  1. 1. SCOT-based Tag Sharing Services Hak Lae Kim and John Breslin Blogtalk 2008 Cork, Ireland Social Software Group {, john.breslin}
  2. 2. I will talk about Why Do We Need to Share Tags? Tag Tagging Tagcloud Folksonomies structure semantics data format SCOT mashups OpenTagging semantic web sharing social networks
  3. 3. <ul><li>Background </li></ul>
  4. 4. <ul><li>Tag : free-text keyword created by a human being </li></ul><ul><li>Tagging : indexing process assigning tags to resources </li></ul><ul><li>Folksonomies : collections of tags that are created in social tagging </li></ul><ul><li>Tagcloud : visualization tool for folksonomies </li></ul>Tag, Tagging, Folksonomies
  5. 5. <ul><li>User engagement & easy-to-use </li></ul><ul><li>Increased refindability </li></ul><ul><li>More metadata! </li></ul>Advantages of Tagging
  6. 6. Disadvantages of Tagging <ul><li>Ambiguity </li></ul><ul><li>Findability </li></ul><ul><li>Accuracy </li></ul><ul><li>Portability </li></ul><ul><li>structure and semantics for tagging data might be a solution </li></ul>
  7. 7. Why Do We use Tags?
  8. 8. Why Do We use Tags?
  9. 9. Why Do We use Tags?
  10. 10. What Do We Expect from Tagging? Why Do We Need to Share Tags?
  11. 11. What Do We Expect from Tagging? Why Do We Need to Share Tags? Social !
  12. 12. Current Tagging Environments Individual Perspective Community Perspective Applications Perspective Structure and semantic are enough
  13. 13. Current Tagging Environments Individual Perspective Community Perspective Applications Perspective <ul><ul><li>Personalization/Localization-Tag namespaces for Limited communities </li></ul></ul>
  14. 14. Current Tagging Environments Individual Perspective Community Perspective Applications Perspective Portability and interoperability among heterogeneous platform
  15. 15. Where is “Your” Tag Clouds?
  16. 16. <ul><li>OpenTagging Platform </li></ul>
  17. 17. OpenTagging Platform <ul><li>an open framework that is scalable and interoperable with all existing tagging data from heterogeneous sources or applications </li></ul><ul><li> </li></ul><ul><li>Goals </li></ul><ul><ul><li>to make tagging data open, more universal, and apply it across any number of social tagging sites </li></ul></ul><ul><ul><li>Through continuously user participations on the platform, users can make their customized folksonomies to organize their data by their needs and interests </li></ul></ul><ul><ul><li>The interaction of diverse objects such as users, tags, and resources on the platform brings emergent semantics of tagging data and leverages social connections among participants </li></ul></ul>
  18. 18. <ul><li>Open Data Format </li></ul>
  19. 19. Goals OpenTagging Platform Open Data Formats Methods and APIs Interoperation & Portability social connections Existing Tag Sources OpenTagging Spaces Desktop Web Mobile
  20. 20. Three core components <ul><li>Open Data Format </li></ul><ul><ul><li>These aim for specifying tagging data in a formal way. The data formats for common conceptualization of tagging data can be represented by an ontology to make a minimal commitment. </li></ul></ul><ul><li>Methods and APIs </li></ul><ul><ul><li>aims to collect, share, or exchange tagging data, or create a bridge among heterogeneous social tagging sites, methods should implement by types of mashups </li></ul></ul><ul><li>Platform </li></ul><ul><ul><li>supports a social ecosystem that interlinks among diverse objects such as individual and individual, individual and communities, or individual and the tags themselves and leverages social connections based on tags. </li></ul></ul>
  21. 21. <ul><li>Open Data Format </li></ul>
  22. 22. Tag Ontologies for Data Format <ul><li>Structure and Semantics for Tagging data </li></ul><ul><ul><li>Gruber’s conceptual idea ( ) </li></ul></ul><ul><ul><li>Richard Newman’s Tag Ontology ( ) </li></ul></ul><ul><ul><li>Torben Knerr’s Tagging Ontology ( ) </li></ul></ul><ul><ul><li>Tag Schema ( ) </li></ul></ul><ul><ul><li>Henry Story’s Tagging Schema ( ) </li></ul></ul><ul><li>Sharing and Exchanging for Tagging data </li></ul><ul><ul><li> ( ) </li></ul></ul><ul><ul><li>Social Semantic Cloud of Tags ( ) </li></ul></ul><ul><ul><li>A Meaning of Tag ( ) </li></ul></ul>
  23. 23. Gruber’s Conceptual Model <ul><li>Core Concepts </li></ul><ul><ul><li>Tag: a word or phrase that is recognizable by people and computers </li></ul></ul><ul><ul><li>Object: a thing to be tagged, identifiable by a URI or a similar naming service </li></ul></ul><ul><ul><li>Tagger: someone or thing doing the tagging, such as the user of an application </li></ul></ul><ul><ul><li>Tagged: the assertion by Tagger that Document should be tagged with Term </li></ul></ul><ul><ul><li>Tagging(Object, Tag, Tagger, Source) </li></ul></ul>
  24. 24. Newman’s Tag Ontology
  25. 25. Tagging Example
  26. 26. Tagging Example
  27. 27. Tagging Example
  28. 28. Tagging Example
  29. 29. How do we contain each tagging activity?
  30. 30. <ul><li>Social Semantic Cloud of Tags </li></ul>
  31. 31. SCOT Ontology <ul><li>Social Semantic Cloud of Tags </li></ul><ul><ul><li>aims to describe the structure and the semantics of tagging data and to offer social interoperability of the data among heterogeneous sources </li></ul></ul><ul><ul><li>is to provide social structure of tagging for seamless tag sharing across heterogeneous users, applications or sources </li></ul></ul>
  32. 32. Simple Overview of SCOT
  33. 33. Tagcloud class
  34. 34. Tag class
  35. 35. Cooccurrence class
  36. 36. How to extract SCOT instance? Demo
  37. 37. <ul><li> </li></ul><ul><li>Platform for OpenTagging </li></ul>
  38. 38. Overview <ul><li>Goal: to realize the OpenTagging platform </li></ul><ul><ul><li>SCOT based representation for tagging data </li></ul></ul><ul><ul><li>methods for search, compare or integrate tagging data </li></ul></ul><ul><ul><li>Open APIs to get tagging data </li></ul></ul><ul><li>Provide a tagging, bookmarking, and sharing service for social tagging data </li></ul><ul><li>Provide a uniform way to share, exchange, and reuse tagging data among users, communities, or sources </li></ul><ul><li>Links among tagging data with Semantic Web vocabularies ( SIOC, FOAF, SKOS, DC, MOAT ) </li></ul>
  39. 39. How works? Weblogs Web 2.0 sites Desktops or Mobile share retrieve aggregate
  40. 40. How Works? ❷ search ❸ bookmark ❶ share ❶ share ❹ integrate Alice Bob
  41. 41. Demo
  42. 42. Now, do you know where is your Tag Clouds?
  43. 43. Where is Your Tag Clouds?
  44. 44. Additional Information <ul><li>SCOT Project </li></ul><ul><ul><li> </li></ul></ul><ul><li>OpenTagging Platform </li></ul><ul><ul><li> </li></ul></ul>