1. Natural Language Interfaces: What's Here, What's Coming, and Who Needs It;Bates,1984
2. GUS, A Frame-Driven Dialog System;Bobrow;Artificial Intelligence,1977
3. The Human Interface;Bolt,1984
4. Programming Expert Systems in OPS5: An Intoduction to Rule-Based Programming;Brownston,1985
5. Rule-Based Expert Systems: The MYCIN Experiments of the Stanford Heuristic Programming Project;Buchanan,1984