Triangular Fuzzy Rescaling Distance
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Computer Science > Machine Learning
Title:Triangular Fuzzy Rescaling Distance
Abstract:Decision-making in complex systems often involves dealing with imprecise or uncertain information, frequently represented using fuzzy sets, particularly Triangular Fuzzy Numbers (TFNs). A crucial aspect of many fuzzy methods is the quantification of distance between TFNs. Many distance measures assume that all values are in the same scale, requiring a preliminary normalization stage when applied to heterogeneous attributes with different scales or units. This paper proposes the Triangular Fuzzy Rescaling Distance (d_{TR}), a metric designed to address this challenge. The d_{TR} uniquely integrates Linear Rescaling (LRE) directly into the distance calculation, ensuring normalization during the comparison of fuzzy numbers. We formally prove that d_{TR} satisfies the properties of a metric, including non-negativity, identity, symmetry, and the triangle inequality. Furthermore, we demonstrate that d_{TR} is bounded, scale-invariant, and origin-invariant. These properties, combined with a weighting vector for prioritizing dimensions, make d_{TR} suitable for applications involving heterogeneous fuzzy data, such as the construction of synthetic indicators, distance-based machine learning algorithms or multicriteria-decision aiding.
| Comments: | 12 pages, 2 tables |
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2608.19234 [cs.LG] |
| (or arXiv:2608.19234v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2608.19234
arXiv-issued DOI via DataCite
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| Related DOI: | https://doi.org/10.1007/978-3-032-00891-6_10
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