1. Visualizing Wiki-Supported Knowledge Building: Co-Evolution of Individual and Collective Knowledge Andreas Harrer, Catholic University Eichstätt-Ingolstadt Johannes Moskaliuk, University of Tuebingen Joachim Kimmerle, University of Tuebingen Ulrike Cress, Knowledge Media Research Center WikiSym‘08, September 10th, Porto

2. Wikis are valuable tools for successful collaborative knowledge building.

3. knowledge building as a socio-cultural process that takes place in a community

4. a knowledge building community may use (social) software to contribute their ideas

6. What exactly happens during knowledge building? How can we describe knowledge-building in more detail?

7. Interplay between social systems and a cognitive system wiki‘s information social system people‘s knowledge cognitive system

8. Mutual evolution of a social and a cognitive system internalization externalization

9. Four processes of learning and knowledge building qualitative individual learning (acquisition of conceptual knowledge) qualitative knowledge building accommodation quantitative individual learning (acquisition of factual knowledge) quantitative knowledge building assimilation internalization externalization

10. Wikis are first-class examples of sucessful knowledge building supported by (social) software users have many opportunities to influence the content wikis are perfect for inducing socio-cognitive conflicts framework for solving conflicts

11. socio-cognitive conflicts and their solution as the key “incitement” factor socio-cognitive conlict energy is wave-like energy is particle-like Wave–particle duality

12. How to investigate knowledge building?

13. Research on the co-evolution model fictitious example Cress & Kimmerle 2007 one particular wikipedia page Cress & Kimmerle 2008 experimental laboratory Moskaliuk et al. 2008 real-life wiki community WikiSym 2008

14. Social Network Analysis boundary spanner high centrality k-cycle

15. Example: Causes of Schizophrenia biological triggers social factors diathesis-stress model psycho- analysis http://de.wikipedia.org/wiki/Schizophrenie

17. Two relevant perspectives biological community social community author network artifact network

19. no valid version at t 2003 redlink

20. connected pages boundary spanner remaining pages

22. psychoanalytical cluster biological cluster boundary spanner

23. biological cluster social cluster psychoanalytical cluster

24. psychoanalytical cluster merged biological and social cluster

25. Development of authors biological community social community diathesis-stress community

27. biological community social community diathesis-stress community 2003 2004 2005

29. Conclusion Artifact network convergence of social and biological position Author network contributing to integrative articles Evidence for the co-evolution hypothesis