Below are useful resources on unconferences:

• Wikipedia: Unconference
• How to run a great unconference session  This includes information on session types. Most library unconferences are using only one type of model (The group discussion), but there are other formats that can be used.  That page points to the following resources:
  • Improving unconferences: at the event level - some notes on improving the structure of unconferences themselves 
  • How to DIY unconference - advice on planning and running an entire unconference.
  • Open space technology - The basic ideas behind unconferences.
  • FOO camp details - example of how one unconference works.
  • Bar camp details - example of how a series of unconferences works.
  • Advice for planning a bar camp - advice on how to run your own bar camp style unconference.
  • The problems with training - based on my experience managing training for designers.
  • How to get the most out of conferences - good general advice for attending anything.