Linguistic fuzzy consensus model for collaborative development of fuzzy cognitive maps: a case study in software development risks

Carmen Maio (), Giuseppe Fenza (), Vincenzo Loia () and Francesco Orciuoli ()
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Carmen Maio: University of Salerno
Giuseppe Fenza: University of Salerno
Vincenzo Loia: University of Salerno
Francesco Orciuoli: University of Salerno

Fuzzy Optimization and Decision Making, 2017, vol. 16, issue 4, No 5, 463-479

Abstract: Abstract Fuzzy cognitive maps (FCMs) have been widely used in several domains for information processing, such as, data fusion, decision making. Although several methods to automatically learn FCMs are recognized from the scientific literature, the most used approach to build an FCM relies on a collaborative task involving single person or, more suitably, group of experts. Collaborative development increases reliability and robustness of the resulting FCM, but rises some problems in terms of group decision making to aggregate different perspectives of the problem representation. This paper proposes to support collaborative development of FCMs introducing knowledge engineering process that relies on Linguistic Fuzzy Consensus Model. In the proposed approach, each expert builds the own version of the FCM. When all different versions are available, a Group Decision Making process is activated in order to reach the consensus on conflictual modeling opinions. The result is a unique final version of the FCM that is not a simple aggregation of the versions provided by the experts but is the result of a well-suited mathematical model. In addition, this work adopts consensus model with incomplete preference relations scheme to address knowledge harmonization issues. Finally, advantages and the limitations of the proposed framework are argued.

Keywords: Group decision making; Fuzzy consensus model; Fuzzy cognitive maps (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10700-016-9259-3

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