Readings for Recommender Systems - 2021-2 Víctor Tirreau Week Topic 1 Collaborative Filtering 2 Matrix factorization techniques for recommender systems 3 Evaluating RecSys 4 Content-Based RecSys 5 Combining predictions for accurate recommender systems 6 Deep Learning based Recommender Systems: a survey and new perspectives 7 Interactive recommender systems: A survey of the state of the art and future research challenges and opportunities