1. Shahar, Y., Miksch, S., Johnson, P.: The Asgaard Project: a Task-Specific Framework for the Application and Critiquing of Time-Oriented Clinical Guidelines. Artificial Intelligence in Medicine 14, 29–51 (1998)
2. Musen, M.A., Tu, S.W., Das, A.K., Shahar, Y.: EON: a component-based approach to automation of protocol-directed therapy. JAMIA 3(6), 367–388 (1996)
3. Shiffman, R.N., Karras, B.T., Agrawal, A., Chen, R., Menco, L., Nath, S.: GEM: a proposal for a more comprehensive guideline document model using XML. JAMIA 7(5), 488–498 (2000)
4. Terenziani, P., Molino, G., Torchio, M.: A Modular Approach for Representing and Executing Clinical Guidelines. Artificial Intelligence in Medicine 23, 249–276 (2001)
5. Peleg, M., Boxawala, A.A., et al.: GLIF3: The evolution of a Guideline Representation Format. In: Proc. AMIA 2000, pp. 645–649 (2000)