Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Relations among Case Defining Function, Case Selecting Function and Case Modifying Function in CBR System
Ichiro SHIGAKIToshiharu IWATANIHiroshi NARAZAKI
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1995 Volume 8 Issue 10 Pages 602-611

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Abstract

This paper describes an application of Case-Based Reasoning (CBR) system for a design problem of Nb-Ti superconducting wire. The developed system has two distinctive features : (1) Basic similarity degree between cases is derived using fuzzy matching. (2) Additionally, another similarity degree is defined considering the basic similarity degree and case modifying knowledge base. This similarity degree, which is named extended similarity degree, is the only criterion when selecting a past case similar to the given problem. Therefore, the case selecting function depends on the case modifying knowledge base. Moreover, it is shown that the case defining function is also effected by the case modifying knowledge base.

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