The Automatic Generation and Learning of Goal Hierarchies John Laird, Paul Rosenbloom, Allen Newell ... numbered tiles in a three by three grid; the operators move the blank space up (U), down (D), left (L) and right (R) (Laird, 1983).
Defines the psychology of human-computer interaction, showing how to span the gap between science & application. Studies the behavior of users in interacting with computer systems.
Newell introduces Soar, an architecture for general cognition.
Since the first version of this survey of information on the development of the computer was published in 1971, a great deal has changed and much progress has been made....
Computer Structures: Readings and Examples