Showing papers on "Adaptive reasoning published in 1981"

The Complete Problem Solver

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On Representations of Problems of Reasoning about Actions

Abstract: Publisher Summary This chapter discusses the basic issues of choice of representation for problems of reasoning about actions The general problem of representation is concerned with the relationship between different ways of formulating a problem to a problem solving system and the efficiency with which the system can be expected to find a solution to the problem An understanding of the relationship between problem formulation and problem solving efficiency is a prerequisite for the design of procedures that can automatically choose the most appropriate representation of a problem—they can find a point of view of the problem that maximally simplifies the process of finding a solution The chapter discusses a specific problem of transportation scheduling—the missionaries and cannibals problem—to evaluate the effects of alternative formulations of this problem on the expected efficiency of mechanical procedures for solving it and also to examine the processes that come into play when a transition takes place from a given problem formulation into a better one

Strolling down the garden path: error prone tasks in expert problem solving

Abstract: Problems which Induce performance that has the false appearance of success (garden path problems) may be an Inevitable consequence of the need (In both human and computer problem solving systems) to create abstract knowledge representations In order to make problem solving efficient. An example is presented from a domain of physics problem solving tasks in which a hierarchical organisation of lines of reasoning leads to errors of the garden path type. Several aspects of a possible model of the problem solving process In these tasks are briefly outlined.