Information management in Wikis and Bookmark systems

I have past week with the Workshop “in the net of the services� a lecture on “encyclopedias 21. Century� held, in which I described Wikipedia and key word systems as innovative forms to collect and organize in the Internet knowledge. I had regenerated the relevant literature to day going systems with my student woman employee Julia property year already for the expert's assessment “topic CAN in the Internet�; for the lecture I could sight also some now at literature to the Wikipedia again, in order to then use it also for the book.

This covers on the one hand fundamental information for emergence and for the use of the Wikipedia, above all however three variants, as the dynamics of the kollaborativen production of an on-line encyclopedia are examined:

Are there still variants, which I did not consider?