Designing Web Application Interfaces
Doing some research for an UI standard for Web Apps and ran across these
links and ran into this site for usability and this site called Box and Arrows. Some interesting titles on the Box and Arrows site. Hard to tell how "hard" actual text is.

A few interesting articles:

• What is a Web Application


• Boxes and Arrows: Introducing Interaction Design


• Dev and Creatively Leveraging Hierarchical Meta Data and Taxonomy