LDA document-topic distribution output, and graceful restarts. Lanczos solver improvments are: graceful restarts (don't lose work), and significantly better scaling properties: O(numWords * 3) memory needed, instead of O(numWords * desiredRank * 2).
On Tue, May 17, 2011 at 7:50 AM, Sean Owen <[email protected]> wrote: > • Improved Lanczos solver > • Stochastic Singular Value Decomposition implementation > • Incremental SVD implementation > • Alternating Least Squares with Weighted Regularization > collaborative filtering implementation, both distributed and > non-distributed > • SVDRecommender enhancements > • Better control over candidate item selection in item-based > recommenders > • Significant removal of deprecated or dead code > • Many bug fixes, refactorings and other small improvements > > What else? >
