Miniconfs are run on Monday and Tuesday of linux.conf.au. These sessions are run over one or both days, and cover specific and often highly specialised areas of interest within the Linux community.
Miniconfs are basically conferences within a conference, with their own organisers and speaker lists, and offer an opportunity to immerse yourself in a number of topics and projects and network with other enthusiasts.
LCA2009 miniconf list
The successful miniconfs have been announced - this year will feature: