GUS a NL understanding program

simulating a travel agent

The conversation with the customer. The simple FRL GUS example code. Output from running the example program.

Bobrow, D.G., Kaplan, R.M., Norman, D.A., Thompson, H. and Winograd, T., "GUS, a Frame-Driven Dialog System", Artificial Intelligence, 8, 155-173, 1977.