A comprehensive survey on Fuzzy logic applications in software requirements engineering

Johanyák, Zsolt Csaba and Zlatko, Covic (2025) A comprehensive survey on Fuzzy logic applications in software requirements engineering. GRADUS, 12 (2). ISSN 2064-8014

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Abstract

The process of software development extends beyond defining system functions, as user requirements are often expressed in ordinary language that can be unclear or open to varying interpretations. The research reported in this paper examines how fuzzy logic enables the main Software Requirements Engineering processes to convert ambiguous and subjective inputs into quantifiable and structured data. This approach enables stakeholders to achieve clearer requirements by using fuzzy sets, linguistic terms, and inference rules to detect inconsistencies early and support decision-making. The results indicate that fuzzy techniques need domain experts to establish essential parameters, and they require additional computational resources to operate effectively as a promising solution for managing uncertainty in requirements engineering.

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