Goal-Directed Behavior

As specified by two of Soar's motivating hypotheses, goals direct decision-making behavior in Soar and are generated automatically when unambiguous decisions can not be made. The first of these is supported by the goal-subgoal hierarchy in Soar, known as the context stack. Secondly, impasses are caused by ambiguities in preferences as determined by the decision procedure, resulting in the creation of subgoals. These two central ideas in Soar are examined more fully as follows.

The Context Stack
Impasses and Subgoals

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