This presentation was on the specific IA methodology of the presenter and the tools she uses in her state to ensure a consistent taxonomy across all of the web sites. The IA methodology was consistent with the best practices we employ with our CHS PM's. There was a succinct definition of IA - the goal is to have information be findable, manageable, and usable.
The methodology starts with establishing the goal of the web site, it's users, and it's content. They then use this information to create a taxonomy, a labeling and naming structure as well as the navigation of the site. This process is similar to the one outlined at http://www.finance.gov.au/e-government/better-practice-and-collaboration/better-practice-checklists/information-architecture.html. She referenced this checklist as a good example for anyone to follow.