Talk of Max Völkel at SemWiki2008 workshop

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Talk of Max Völkel at SemWiki2008 workshop

  1. 1. Max Völkel, FZI Karlsruhe 02.06.2008 SemWiki 2008, Tenerife Motivation. User interface Data Model
  2. 2. The complete application User interface
  3. 3. Personal Notes <ul><li>todos </li></ul><ul><li>ideas </li></ul><ul><li>bookmarks, </li></ul><ul><li>text for or from documents, </li></ul><ul><li>contact data of persons, </li></ul><ul><li>insights , </li></ul><ul><li>notes on sport exercises, </li></ul><ul><li>cocktail recipes, </li></ul><ul><li>places to travel to, </li></ul><ul><li>things to remember </li></ul><ul><li>nice restaurants, ... </li></ul>
  4. 4. Challenges: Scalability in size and long-term usage
  5. 5. Look at Costs and Benefits <ul><li>Granularity </li></ul><ul><ul><li>A long document takes long to read </li></ul></ul><ul><ul><li>Many short documents take long to write </li></ul></ul><ul><li>Degree of Formality </li></ul><ul><ul><li>Unstructured is easy to write, but costly to retreive, re-use </li></ul></ul><ul><ul><li>Formal is costly to write, but nice for re-use </li></ul></ul>Motivation.
  6. 6. Degree of Formality <ul><li>Imagine you write down your work as </li></ul><ul><ul><li>A newspaper article </li></ul></ul><ul><ul><li>A workshop paper </li></ul></ul><ul><ul><li>An email to your mum </li></ul></ul><ul><ul><li>A note to yourself for tomorrow </li></ul></ul><ul><ul><li>A note to yourself for ... later </li></ul></ul>Motivation.
  7. 7. Data Model
  8. 8. Information Snippet („Schnipsel“) Item. RDF :x a cds:Item. :x cds:hasContent „Dirk Hageman“. :x nao:creator http://xam.de#i . :x nao:creationDate „02-06-2008“. Data Model
  9. 9. NameItem and ContentItem RDF :x a cds:NameItem. :x cds:hasContent „Dirk Hageman“. used for auto-completion RDF :x a cds:ContentItem. :x cds:hasContent „<h3>Review ... <p>Initial risk management ... <ul><li>to evaluate ...“. :x cds:hasMimeType „application/xml+stif“ Data Model Name ís unique in whole knowledge model
  10. 10. Relation Has always an inverse relation Data Model
  11. 11. Statement RDF Using reification Data Model
  12. 12. Statements about anything. Even about statements. Statement Data Model
  13. 13. CDS and RDF <ul><li>RDF </li></ul><ul><ul><li>(U,B) x (U) x (U,B,L) </li></ul></ul><ul><li>CDS </li></ul><ul><ul><li>U  U x U x U and U  L </li></ul></ul><ul><li>Triple vs. Statement </li></ul><ul><li>Inverse Relations </li></ul>Data Model
  14. 14. User interface
  15. 15. UI Ideas: Navigation <ul><li>See more than one resource at a time (compare this to your desk) </li></ul>Name Content User interface
  16. 16. UI Ideas <ul><li>1. Navigate by association 2. Group associations into types </li></ul>User interface
  17. 17. UI Ideas User interface
  18. 18. UI Ideas: Authoring <ul><li>Item creator widget </li></ul>User interface
  19. 19. <ul><li>Content-entry pop-up </li></ul>UI Ideas: Authoring User interface
  20. 20. UI Ideas: Change semantic links. <ul><li>Links (statements) are external to items. </li></ul><ul><li>Widget: Statement change box </li></ul>User interface
  21. 21. The complete application User interface
  22. 22. Future Work <ul><li>1. Integration with NEPOMUK semantic desktop </li></ul><ul><ul><li> link and annotate desktop resources, too </li></ul></ul><ul><ul><li>turn items into dekstop resources </li></ul></ul><ul><li>2. Start private beta of HKW ( to get an invite: [email_address] ) </li></ul>
  23. 23. Thank You. <ul><li>Questions, Please. </li></ul>

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