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The wiki uses Confluence, a popular enterprise wiki application developed by Atlassian Software.
We are currently (spring 2009) running Confluence version 2.7.3
Confluence is segmented into wiki 'Spaces'. A space can be either world readable or restricted, with varying permission levels, to members of a given group (or set of groups). Each space has an administrator or administrative group associated with it.
Members of the admin group can control some elements of the look and feel of the space and can manage the users and user group(s) associated with that space.
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