machine-learning 3 machine 2 learning 2 recommender-system 2 python 2 collaborative-filtering 2 poisson-factorization 2 recommender-systems 2 matrix-factorization 2 factorization 2 recommendation 2 probabilistic 1 variational inference 1 collaborative filtering 1 machines 1 poisson 1 implicit 1 lightfm-library 1 factorization-machines 1 learning-to-rank 1 recommendations 1 pytorch 1 metric-learning 1 svd 1 recommendation-algorithm 1 rating-prediction 1 knn 1 alternating-least-squares 1 ranking 1 rating 1 recsys 1