Case-based reasoning is a problem-solving method that involves using past experiences to develop solutions for new problems. It is based on analogy and is relevant to human decision making and computer reasoning technology. The four stages of case-based reasoning involve recalling past problems, adapting solutions, testing the new solution, and committing it to memory. This method is commonly used in various professions that require problem-solving skills.
Case-based reasoning is a problem-solving method in which you develop a solution to a new problem based on your past experiences with a different problem. In some cases, you may be able to completely reuse a particular solution, while in other cases, the old problem provides only a limited insight into the new solution. Case-based reasoning is heavily based on analogy, as individuals look to the past to find situations and problems that are analogous to those they face in the present. It is highly relevant to the study of human decision making and computer reasoning technology. Many researchers in the area of human decision making and problem solving believe that nearly all reasoned decisions are made by case-based reasoning.
One can apply case-based reasoning in a variety of different ways based on one’s needs in a given situation. A solution to an older problem can be reused to solve a new, similar problem, or it can at least suggest a method for solving the new problem. You can use this reasoning to modify a solution to a new problem that doesn’t work correctly, or to predict potential problems with a new solution. After finding a solution to the new problem, analogous past situations can be used to analyze the new solution to determine why it worked and look for potential shortcomings.
Four main stages characterize case-based reasoning. When a new problem is identified, similar past problems must first be recalled. By recalling past problems, you reuse a solution or adapt it to the new situation. After this, you should test the new solution to see if it works for the new problem just like it worked for the previous similar problem and revise the new solution accordingly. Finally, having found a working solution, the new problem and solution are committed to memory as a new “case” to be referred to in subsequent cases of case-based reasoning.
Most people tend to use case-based reasoning to solve a wide variety of problems in their daily lives. Certain professions in particular require the frequent use of such methods of reasoning. Lawyers and judges, for example, often base their arguments and decisions on previous similar legal cases. Mathematicians and math students use case-based reasoning when solving new and unfamiliar math problems. Almost any career that requires problem solving will require the use of such reasoning methods at some point.
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