4.6 Article

Attribute Normalization Approaches to Group Decision-making and Application to Software Reliability Assessment

Journal

COGNITIVE COMPUTATION
Volume 13, Issue 1, Pages 139-163

Publisher

SPRINGER
DOI: 10.1007/s12559-019-09707-2

Keywords

Normalization; Multi-attribute decision-making; Group decision-making; Normalized projection; Software reliability assessment

Funding

  1. Young Creative Talents Project from Department of Education of Guangdong Province [2016KQNCX064]
  2. Project of Enhancing School with Innovation of Guangdong Ocean University [GDOU2017052802]
  3. Project of Professional Core Course from College of Mathematics and Computer Science, Guangdong Ocean University [571119134]
  4. Project of Teaching Innovation in 2019 from Guangdong Ocean University [570219088]

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This study introduces new normalization models to address attribute normalization issues in group decision-making processes, providing a uniform bound related to decision systems and showing superiority over classical methods. It contributes to cognitive MADM and GDM systems, offering practical solutions and new possibilities for decision-making problems.
A group decision-making (GDM) process is a social cognition process, which is a sub-topic of cognitive computation. The normalization of attribute values plays an important role in multi-attribute decision-making (MADM) and GDM problems. However, this research finds that the existing normalization methods are not always reasonable for GDM problems. To solve the problem of attribute normalization in GDM systems, some new normalization models are developed in this paper. An integrative study contributes to cognitive MADM and GDM systems. In existing normalization models, there are some bounds, such as Max(uj),Min(uj), n-ary sumation (uj),and n-ary sumation (uj)2. They are limited to a single attribute vector u(j). The bound of new normalization method proposed in this work is related to one or more attribute vectors, in which the attribute values are graded in the same measure system. These related attribute vectors may be distributed to all decision matrices graded by this decision system. That is, the new bound in developed normalization model is an uniform bound, which is related to a decision system. For example, this uniform bound can be written as one of Max(.),Min(.), n-ary sumation (.), n-ary sumation (.)2\documentclass[12pt]{minimal} (.)<<^>>{2}}$\end{document}. Some illustrative examples are provided. A practical application to the evaluation of software reliability is introduced in order to illustrate the feasibility and practicability of methods introduced in this paper. Some experimental and computational comparisons are provided. The results show that new normalization methods are feasibility and practicability, and they are superior to the classical normalization methods. This work has provided some new normalization models. These new methods can adapt to all decision problems, including MADM and GDM problems. Some important limitations and future research are introduced.

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