1. Bennett, J.S. 1985. ROGET: A knowledge-based system for acquiring the conceptual structure of a diagnostic expert system. J. Automated Reasoning 1, 49?74.
2. Davis, R. 1982. TEIRESIAS: Applications of meta-level knowledge. In R. Davis and D. Lenat (Eds.). 1982. Knowledge-based systems in artificial intelligence. New York: McGraw-Hill.
3. Marcus, S. and McDermott, J. 1989. SALT: A knowledge acquisition language for propose-and-revise systems. Artificial Intelligence 39, 1?37.
4. Semantic Information Processing;J. McCarthy,1968
5. Mitchell, T.M., Keller, R., and Kedar-Cabelli, S. 1986. Explanation-based generalization: A unifying view. Machine Learning 1, 47?80.