ResearchBenchmarksClustering on REUTERSFollow74PurityPNMF64.6467.0769.571.93Nov 27, 2025Evaluation ResultsMethodMethodLinksPurityPNMF2025.1174ONMF2025.1172Sparse NMF2025.1172CC-NMFlearning rate=0.25, to...learning rate=0.25, tolerance=10^-82025.1172ANLS2025.1171MU2025.1165