Introduction to the Semantic Web

Ivan Herman, W3C Head of Offices
Edinburgh, 7 April, 2004

Slides of the presentation given at the Visualisation Ontology Workshop, organized by the National e-Science Centre, on the 7th of April, 2004, in Edinburgh, United Kingdom.

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Table of Content:

  1. [Title Page]
  2. Towards a Semantic Web
  3. What Is Needed (Technically)?
  5. Statements
  6. Resource Description Framework
  7. RDF is a Graph
  8. A Simple RDF Example
  9. URI-s Play a Fundamental Role
  10. Merging
  11. Merge Shown as Graphs
  12. Typed Nodes
  13. Typed Nodes (cont)
  15. RDF Schemas
  16. Classes, Resources, …
  17. Classes, Resources in RDF
  18. Schema Example in RDF/XML
  19. Inferred Properties
  20. Properties (Predicates)
  21. Property Specification Example
  23. Ontologies
  24. Classes in OWL
  25. Example: (OWL) Enumeration
  26. Union of Classes
  27. Property Restrictions
  28. Cardinality Restriction Example
  29. Property Characterization
  30. Characterization Example
  31. OWL: Additional Features
  32. Example: Connecting to Hungarian
  33. However: Ontologies are Hard!
  34. OWL Full
  35. OWL Description Logic (DL)
  36. OWL Lite
  38. Rules
  39. “Best Practices” Work
  40. Semantic Web Services Interest Group
  42. Lots of tools
  43. And More Tools…
  44. Available Specifications: Primers
  45. Available Specifications: RDF
  46. Available Specifications: Ontology
  47. Further Information
  48. Further Information (cont)
  49. Public Fora at W3C
  51. SW Applications
  52. Applications, Ontologies
  53. Applications, Ontologies (cont)
  54. A Nice SW Application Example
  55. Further Information