2 papers
cs.LG2021
Accelerating Spherical k-Means
Erich Schubert, Andreas Lang, Gloria Feher
Spherical k-means is a widely used clustering algorithm for sparse and high-dimensional data such as document vectors. While several improvements and accelerations have been introd…
cs.LG2020
BETULA: Numerically Stable CF-Trees for BIRCH Clustering
Andreas Lang, Erich Schubert
BIRCH clustering is a widely known approach for clustering, that has influenced much subsequent research and commercial products. The key contribution of BIRCH is the Clustering Fe…