방법 비교

	준지도학습 DBSCAN	K-means 군집화
분야	머신러닝	머신러닝
계열	Machine learning	Machine learning
기원 연도	2000s	1967 (formalized 1982)
창시자	Ester, M. et al. (DBSCAN base); semi-supervised extensions by multiple authors (2000s–2010s)	MacQueen, J. B.; Lloyd, S. P.
유형	Constrained density-based clustering	Partitional clustering
원전	Ester, M., Kriegel, H.-P., Sander, J., & Xu, X. (1996). A density-based algorithm for discovering clusters in large spatial databases with noise. In Proceedings of the 2nd International Conference on Knowledge Discovery and Data Mining (KDD-96), pp. 226–231. AAAI Press.	Lloyd, S. P. (1982). Least squares quantization in PCM. IEEE Transactions on Information Theory, 28(2), 129–137.
별칭	Constrained DBSCAN, SS-DBSCAN, DBSCAN with must-link/cannot-link constraints, seeded DBSCAN	k-means clustering, Lloyd's algorithm, k-means partitioning, hard k-means
관련	5	4
요약	Semi-supervised DBSCAN extends the canonical density-based clustering algorithm (Ester et al., 1996) by incorporating a small set of pairwise or label constraints — must-link pairs that must share a cluster, cannot-link pairs that must be separated, or a handful of known labels — to guide cluster formation while retaining DBSCAN's ability to discover arbitrary-shaped clusters and flag noise points.	K-means is a classic unsupervised partitional clustering algorithm that divides a dataset into K non-overlapping groups by iteratively assigning each observation to its nearest centroid and updating centroids as the mean of their assigned points. It is one of the most widely used exploratory tools in machine learning and data analysis.