4.7 Article

A new adaptation method based on adaptability under k-nearest neighbors for case adaptation in case-based design

期刊

EXPERT SYSTEMS WITH APPLICATIONS
卷 39, 期 7, 页码 6485-6502

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2011.12.055

关键词

Case-based design; Case adaptation; Solution feature; Adaptability measurement; Adaptability value

资金

  1. National Natural Science Foundation of China [51075262, 50575142, 50775140, 60304015]
  2. National High Technology Research and Development Program of China [2008AA04Z113]
  3. Shanghai Committee of Science and Technology [11JC1406100, 08JC1412000, 09DZ1121400, 10DZ1960102]
  4. Program for New Century Excellent Talents in University [NCET-08-0361]
  5. Research Fund for the Doctoral Program of Higher Education [200802480036]
  6. National Basic Research Program of China [2011CB707503, 2011CB013305]
  7. National Key Scientific Instruments and Equipment Development Program of China [2011YQ030114]

向作者/读者索取更多资源

An adaptation phase is crucial for a good and reasonable case-based design (CBD) process, which is responsible for finding a solution to solve a new problem in the principle of k-nearest neighbors (k-NN). Statistical adaptation method is a classical method for feature-based case adaptation (FCA) because of its domain-independent and easily to be implemented, but with low adaptation accuracy. Therefore, this paper presents a new adaptation method for solution feature values of retrieved cases by introducing the adaptability value to improve the adaptation performance, called as adaptability-based FCA (AFCA). Unlike the classical statistical FCA method (SFCA) based on similarity or distance value. AFCA is performed in terms of the adaptability of old solution feature calculated by the adaptability measurement (AM) mechanism. A new AM method is studied as well in this paper, where the adaptability value for each solution feature is computed by utilizing the decision tree technique and similarity value, and the similarity is derived from the multi-algorithm-oriented hybrid SM strategy. Furthermore, to validate the feasibility and superiority of AFCA, the proposed method was applied to the power transformer design and was compared with the classical SFCAs. Empirical comparison results indicated that AFCA achieves the better adaptation performance under k-NN than other SFCAs on the basis of the adaptation accuracy. (C) 2011 Elsevier Ltd. All rights reserved.

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