Abstract
The fuzzy non-metric model is one of the clustering methods in which the membership grade of each datum to each cluster is calculated directly from dissimilarities between data. The cluster center which is referred to as representative of cluster is not used in fuzzy non-metric model. This paper discusses a new possibilistic approach for non-metric model from the viewpoint of being in the cluster. In the previous study, new possibilistic clustering and its variant have been proposed by using L 1-regularization. These possibilistic clustering methods with L 1-regularization induce a change in the membership function. Two types of non-metric model based on possibilistic approach named L 1-regularized possibilistic non-metric model are proposed in this paper. Next, the way of sequential extraction algorithm is also discussed. Moreover, the results of sequential extraction based on proposed methods are shown.
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Hamasuna, Y., Endo, Y. (2013). On Sequential Cluster Extraction Based on L 1-Regularized Possibilistic Non-metric Model. In: Torra, V., Narukawa, Y., Navarro-Arribas, G., MegÃas, D. (eds) Modeling Decisions for Artificial Intelligence. MDAI 2013. Lecture Notes in Computer Science(), vol 8234. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41550-0_18
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DOI: https://doi.org/10.1007/978-3-642-41550-0_18
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