1. An Extensible Semantic Wiki Architecture The Semantic Wiki Extension Space Jochen Reutelshöfer, Fabian Haupt, Florian Lemmerichand Joachim Baumeister, University of Würzburg Germany

2. Semantic Wiki Whatis a Semantic Wiki? „Semanticallyenriched“ content Allowingforsome additional functionalitybeyondreadingandbrowsing Examples: Semantic MediaWiki, KIWI, SWIM, AceWiki, SweetWiki,… Problem: Wiki means: fast and simple enrichingthecontentmeans: … Danger not so fast and not so simple (anymore) ?

3. Why Extending(Semantic) Wikis? Customization: tailored to specific applications Lowers barriers of usage Higher efficiency in formalization Extension: more complex knowledge management Problem-solving knowledge, flowchart-editing Advanced editing support Exploitation of further formalization techniques NLP, Text Mining Customized to a startup corpus

4. How Extending Semantic Wikis? ?

5. The Semantic Wiki Pipeline

6. DimensionsofExtensions

7. Semantic Wiki Extension Space (minimal)

8. The KnowWE Minimal Core Presentation Inline SPARQL Queries Basic Markups Sesame2 + OWLIM Formalization Reasoning

9. Extensions

10. Application: Hermes Wiki Developers: Chair of ancient greek history, 4-6 people (University of Würzburg) Task: Connecting explaining text, formalized time events and historical sources Purpose: Exam preparation for students Content: > 500 pages, ~ 600 time events, >100 Google-maps, > 350 concepts (historical characters, places, peoples, rites…)

11. Articleabouttheconquestof Alexander the Great 32 time events

12. In Wiki Source…

13. In Wiki Source… Importance Title Date Description Source

14. Hermes Ontology Concept Character Geogr. Location Source involves describedBy locatedAt Politician God Writer Historian Dynasty Description TimeEvent Title hasDate Date Importance

15. DecoratingSemantic Wikis Hide/Disable Basic Functionality Add customKnowledgeFormalizationandPresentationExtensionstailoredexactlytotaskand mental model oftheuser Result: People don‘tneedtoknowabout SWs

18. DecisionTrees

19. Covering ModelsPresentationComponent: - Different interview methods

21. Tables

23. The Semantic Wiki Pipeline

24. ?

25. Multimodal Knowledge Knowledge of organizations is present in different shapes but referring to the same objects and relations of the domain Functional Models Tabular data Text Logic XML Rules Images Segmented Text Cases Flow charts

27. from different authors

28. at different degreesofformalitydescribingonetopic. KnowWE – A Semantic Wiki forKnowledge Engineering Try out: http://knowwedemo.informatik.uni-wuerzburg.de THANK YOU ExamplepageClogged Air Filterfrom a cardiagnosisknowledgesystem

29. Extension Points Modules Introducingnew„types“ (newmarkup) TagHandlers Actions Actions initiatedbyuser (e.g., transformation/refactoringofcontent) Renderers/Editors Visual representationoftypes ReviseSubtree Handlers Traversationofcontenttree after save (e.g., meta-dataextraction, syntax check)

30. Conclusions KnowledgeWiki Environment KnowWE Core version (withoutanyextension) readyforrunning/extensiondevelopment Latestcode on sourceforge Ongoingdevelopment (drivenbythe d3web-extension) Basic functionalityimprovingwithJSPWiki

32. DimensionsofExtensions

33. KnowWE Core Formalizationcomponents: Introduceproperties/hierarchies: Presentationcomponent: