A Consensus Reaching Model for Web 2.0 Communities
MDAI '09 Proceedings of the 6th International Conference on Modeling Decisions for Artificial Intelligence
Measuring consensus in group decisions by means of qualitative reasoning
International Journal of Approximate Reasoning
Group decision making problems in a linguistic and dynamic context
Expert Systems with Applications: An International Journal
Using Qualitative Reasoning for a Recommender System
Proceedings of the 2010 conference on Artificial Intelligence Research and Development: Proceedings of the 13th International Conference of the Catalan Association for Artificial Intelligence
Expert Systems with Applications: An International Journal
Information Sciences: an International Journal
Engineering Applications of Artificial Intelligence
A linguistic consensus model for Web 2.0 communities
Applied Soft Computing
Expert Systems with Applications: An International Journal
Computers and Industrial Engineering
Expert Systems with Applications: An International Journal
Maximum expert consensus models with linear cost function and aggregation operators
Computers and Industrial Engineering
Distance-based consensus models for fuzzy and multiplicative preference relations
Information Sciences: an International Journal
A review of soft consensus models in a fuzzy environment
Information Fusion
Consensus measures constructed from aggregation functions and fuzzy implications
Knowledge-Based Systems
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Two processes are necessary to solve group decision making problems: a consensus process and a selection process. The consensus process is necessary to obtain a final solution with a certain level of agreement between the experts, while the selection process is necessary to obtain such a final solution. Clearly, it is preferable that the set of experts reach a high degree of consensus before applying the selection process. In order to measure the degree of consensus, different approaches have been proposed. For example, we can use hard consensus measures, which vary between 0 (no consensus or partial consensus) and 1 (full consensus), or soft consensus measures, which assess the consensus degree in a more flexible way. The aim of this paper is to analyze the different consensus approaches in fuzzy group decision making problems and discuss their advantages and drawbacks. Additionally, we study the future trends.