#k-means clustering
topick-means clustering
2 papers · 1 filter
cs.DS2026
Randomizing the Number of Centers in k-means++
Vaclav Rozhon
The paper analyzes the k-means++ seeding algorithm when the number of cluster centers is chosen uniformly at random from a range, showing it achieves a constant-factor approximatio…
cs.DS2026
Spectral Dual Fitting for -Means
Aditya Anand, Moses Charikar, Vincent Cohen-Addad +5
The paper introduces a new dual‑fitting algorithm that achieves better approximation ratios for the k‑means clustering problem in both Euclidean and general metric spaces, using a…