Slides of the invited talk at AH2009

1. Adaptive Navigation Support for Open-Corpus Hypermedia Peter Brusilovsky with: Jaewook Ahn, Sharon Hsiao,Rosta Farzan, Danielle Lee, Sergey Sosnovsky, Michael Yudelson Personalized Adaptive Web Systems Lab University of Pittsburgh, USA

4. User Model Collects information about individual user Provides adaptation effect Adaptive System User Modeling side Adaptation side Adaptive systems Classic loop “user modeling - adaptation” in adaptive systems

8. Adaptive Link Annotation

13. The Open Corpus Problem in the Web Age

18. An External Model Concept 1 Concept 2 Concept 3 Concept 4 Concept 5 Concept N

20. Indexing of Fragments Fragment 1 Fragment 2 Fragment K Concept 1 Concept 2 Concept 3 Concept 4 Concept 5 Concept N Node Concepts

21. Concept-Level User Model Concept 1 Concept 2 Concept 3 Concept 4 Concept 5 Concept N 10 3 0 2 7 4

25. A Look under the Hood Adaptive Hypermedia Adaptive IR Web Recommenders Navigation Search Recommendation Metadata-based mechanism Keyword-based mechanism Community-based mechanism Types of information access Adaptation Mechanisms

28. KBS-HyperBook: Expandable AH Integrating new resources by indexing

29. QuizGuide: Topic-Based AH Indexing by categorization

30. NavEx: Automatic Indexing Classic “traffic light” prerequisite-based mechanism based on automatic indexing

31. Concept-Based QuizGuide See more in Sergey Sosnovsky’s Talk

32. Proactive: Metadata for ANS Recommendation and navigation support based on available metadata indexing

34. CoWeb: Footprint Social NS

35. Knowledge Sea II

37. http://strelka.exp.sis.pitt.edu/cn20beta/

38. CourseAgent

39. PittCult Social networks for contextual recommendation

41. ScentTrails: Keyword-based Adaptive Link Annotation

42. YourNews: Open Keyword-Level User Models Keyword-level user model is visible and editable

43. Personalized Information Access 2008 Adaptive Hypermedia Adaptive IR Web Recommenders Navigation Search Recommendation Metadata-based mechanism Keyword-based mechanism Community-based mechanism Adaptation Mechanisms

46. YourNews VIBE Adaptive visualization with keyword-level user model and keyword-level adaptation mechanism

47. Service-Based Navigation Support M. Yudelson, P. Brusilovsky (C) 2008 Navigation support is separate from the host AH system and provided by external services, which can use any mechanism