|تعداد مشاهده مقاله||9,889,779|
|تعداد دریافت فایل اصل مقاله||6,483,997|
Grouping fuzzy granular structures based on k-means and fuzzy c-means clustering algorithms in information granulation
|Iranian Journal of Fuzzy Systems|
|مقاله 2، دوره 20، شماره 5، آذر و دی 2023، صفحه 9-31 اصل مقاله (2.03 M)|
|نوع مقاله: Research Paper|
|شناسه دیجیتال (DOI): 10.22111/ijfs.2023.42894.7510|
|Jie Ren1؛ Ping Zhu* 2|
|1Beijing University of Posts and Telecommunications|
|2School of Science Beijing University of Posts and Telecommunications Beijing 100876, China|
|Fuzzy information granulation theory is based on the way humans granulate and reason about information, and it is essential to the remarkable ability of people to act logically in ambiguous and uncertain situations. In the study of fuzzy information granulation, instead of discussing single fuzzy granules, it is common to consider a fuzzy granular structure arising from a set of fuzzy information granules. Different approaches and perspectives may generate different fuzzy granular structures in the same universe by dividing the object into a number of meaningful fuzzy information granules. However, a specific task usually requires only a selection of representative fuzzy granular structures. Therefore, the main aim of this paper is to group fuzzy granular structures efficiently and accurately. To this end, we first introduce the distances between two fuzzy granular structures and illustrate the relevant properties. Subsequently, k-means and fuzzy c-means clustering algorithms are designed for clustering fuzzy granular structures, and their convergence is demonstrated. In this way, similar fuzzy granular structures can be grouped into the same class. In addition, two evaluation indicators, dispersion and separation, are constructed to evaluate the effect of clustering fuzzy granular structures. Experiments on 12 publicly available datasets demonstrate the feasibility and effectiveness of the proposed algorithms.|
|fuzzy granular structure؛ distance measure؛ k-means clustering؛ fuzzy c-means clustering؛ granular computing؛ fuzzy relation|
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