Research
BDB adapter for Rails
We have documented the way ActiveRecord works, with a view to interfacing it with DB XML. Rails BDB XML Design discusses some of the options for interfacing Rails with DB XML and references relevant work and discussion from outside the IAB project.
Dan's product creation methodology take
On this page you can find an assessment on the product definition and its relative issues both on a conceptual layer both on a technical one.
What will the DSLs look like
File Uploads (Attachments)
The options available to allow files to be uploaded in Ruby on Rails, and a sample application.