Unanswered questions and future directions

Geoff will address some of the "flies in the ointment": what problems must be solved?

1. migration
2. opportunity costs
3. location uncertainty
4. lack of GIS tools (e.g. the time dimension and GIS)
5. towards epidemiologically reasonable exposure metrics

Mark will also present more on process from pattern, as well as the revised big-picture.

Readings

Page by Andy Long. Comments appreciated.