Group Decision Support Systems with Fuzzy Ontologies

Summary

Group Decision Support Systems (GDSS) with fuzzy ontologies integrate semantic knowledge representation and fuzzy logic to enhance collective decision-making under uncertainty. By encoding domain concepts, relationships and linguistic preferences within an ontology enriched with membership functions, these systems accommodate the inherent imprecision of human judgement. Decision-makers interact with a shared conceptual framework that interprets qualitative input—such as “high risk” or “moderate benefit”—according to graded truth values. Fuzzy ontologies enable dynamic refinement of decision criteria, promote coherent communication among dispersed experts and facilitate the aggregation of heterogeneous viewpoints. Functional architectures typically include modules for ontology management, preference elicitation, fuzzy inference engines and consensus convergence, operating in synchronous or asynchronous environments. Applications span supply-chain planning, resource allocation, expert systems and autonomous agent coordination. Recent advances centre on scalable ontology updating, real-time consensus algorithms and integration with machine learning to support adaptive, transparent and user-centred group deliberation processes.

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Group Decision Support Systems with Fuzzy Ontologies publication trend

The graph below shows the total number of articles in group decision support systems with fuzzy ontologies across all publications each year (not limited to Nature Index journals).

Technical terms

Group Decision Support System: An interactive information system designed to facilitate the process of making decisions by a group of stakeholders, often incorporating structured communication, data analysis and consensus-building tools.

Fuzzy Ontology: A formal semantic model combining ontology constructs with fuzzy logic, where concepts and relationships are associated with degrees of membership to represent vagueness in human knowledge and language.

Fuzzy Set: A class of objects whose boundaries are not sharply defined, characterised by a membership function that assigns to each element a value between zero and one, indicating its degree of belonging.

Consensus Mechanism: A method or algorithm used to aggregate individual preferences or judgements within a group into a single coherent decision outcome, often by minimising disagreement or maximising collective consistency.

References

  1. Assisting Users in Decisions Using Fuzzy Ontologies: Application in the Wine Market. Mathematics (2020).
  2. Cross-Docking Center Location Selection Based on Interval Multi-Granularity Multicriteria Group Decision-Making. Symmetry (2020).
  3. A novel recurrent self-evolving fuzzy neural network for consensus decision-making of unmanned aerial vehicles. International Journal of Advanced Robotic Systems (2024).

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