• Protégé and Knowledge Modeling Homepage:
  http://protege.stanford.edu/
• Ontology Development 101 Tutorial by Natasha Noy at:
  http://protege.stanford.edu/conference/2005/
  slides/T1_Noy_Ontology101.pdf
• Getting Started with Protégé:
  http://protege.stanford.edu/doc/users.html#tutorials
• Guideline Modeling and Decision Support Systems:
  • http://www.openclinical.org 
  • http://www.smi.stanford.edu/projects/eon/

Usability Testing and Interface Design Books:

• Clinical Decision Support Implementer’s Workbook, by Jerome A. Osheroff, MD, FACP
• The Design of Everyday Things by Donald A. Norman
• Design Research: Methods and Perspectives, edited by Brenda Laurel
• Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests by Jeffrey Rubin
• Designing Web Usability by Jacob Neilsen
• Don't Make Me Think by Steve Krug
• Envisioning Information, by Edward R. Tufte
• Designing the User Interface by Ben Shneiderman