Here is a story that illustrates the power of this methodology. The Optimization of "The Great Bake-Off"

NMF usually converges faster than Variational Bayes used in LDA and produces parts-based representations that are often more interpretable for clustering.

In the world of data science and operations research, certain trends flicker and fade, but is currently experiencing a massive resurgence. Far from being a dry academic exercise, the methodology behind building these models has become one of the most critical "hot" skills in the modern industrial landscape.