So sánh phương pháp

	K-means Trực tuyến	Bản đồ tự tổ chức (Bản đồ Kohonen)
Lĩnh vực	Học máy	Học máy
Họ	Machine learning	Machine learning
Năm ra đời	1967 (online update rule); 2010 (mini-batch variant)	1982
Người khởi xướng	MacQueen, J. (batch); Sculley, D. (mini-batch web-scale variant)	Teuvo Kohonen
Loại	Unsupervised clustering (online/streaming)	Unsupervised neural network for topology-preserving mapping
Công trình gốc	MacQueen, J. (1967). Some methods for classification and analysis of multivariate observations. In Proceedings of the Fifth Berkeley Symposium on Mathematical Statistics and Probability, Vol. 1, pp. 281–297. University of California Press.	Kohonen, T. (1982). Self-organized formation of topologically correct feature maps. Biological Cybernetics, 43(1), 59–69.
Tên gọi khác	sequential k-means, streaming k-means, incremental k-means, online clustering	SOM, Kohonen map, Kohonen network, öz-örgütlemeli harita
Liên quan	4	3
Tóm tắt	Online K-means is a streaming variant of the classical K-means algorithm that updates cluster centroids one observation at a time — or in small mini-batches — without storing the entire dataset in memory. It is particularly suited to large-scale, real-time, or continuously arriving data where batch recomputation would be too slow or impractical.	A self-organizing map is an unsupervised neural network, introduced by Teuvo Kohonen in 1982, that projects high-dimensional data onto a low-dimensional (usually two-dimensional) grid of prototype vectors while preserving the data's topology — nearby inputs map to nearby grid cells. It is used for visualization, clustering, and exploratory analysis, turning complex data into an ordered, interpretable map.