Semantic Wiki State of The Art Outline

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O, this is destilled from the



[edit] Wikis

What are wikis? Characteristics of wikis are:

  • Parsimonity: Concentrate on a set of easy to understand and learn (learning by copying exmaples)
  • Easy Linking - by referring to the title of another page a link to an arbirztrary Wiki page can easily nbe created. After thinking long about it, this is the core wiki feature in my opinion.
  • Creation of new articles by just linking to them (Agile Content creation, describe on demand)
  • Version management - not all wikis have that
  • Wiki Syntax - some wikis have WYSIWYG instead
  • Cheap: No installation of specific tools needed (just a standard webbrowser) --> For your Boss: Low Total Cost of Ownership
  • You can do what you want, but it's always easy to roll back and undo

What are they used for?

  • open source (documentation & bugtracking): Examples Trac and MASE
  • encylopedia: Wikipedia
  • personal knowledge management: Tiddly Wiki
  • intranet:

Problems with non-semantic Wikis:

  • Loss of overview and navigational structure, i.p finding relevant entries to link to
    • This needs more than full text search!
  • Result: Redundancies, synergies not used, people get lost in link space

Specific Problemxs concerning use <TBD>

[edit] Semantic Wikis

  • Why/for what are Semantic Wikis used?
    • better structuring
    • go beyond document level
  • What is the Annotation Model?
    • abstract model (what is the subject, what is the object, what is the predicate?)
    • The vocabulary of the community using the wiki
  • How is metadata created?
    • By users
      • Maybe supported by an underlying vocabulary / Ontology
      • regular links vs. semantic links
    • By machines
      • Based on naming conventions or text mining
  • How is metadata used?
    • navigation
    • search
    • reasoning
    • export
    • acces control?
  • Integration
    • with other instances of the same wiki engine
    • with other Smeantic Wikis
    • with other tools
    • with other ontologies (e.g. using standardized ontologies)
  • Further topics
    • For assistance in semantifying references: Clustering of documents by references and content. (For slightly messy diagram of very preliminary results see [[1]])
    •  ??
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