Matrix factorization and neighbor based algorithms for the netflix prize problem

  title={Matrix factorization and neighbor based algorithms for the netflix prize problem},
  author={G. Tak{\'a}cs and I. Pil{\'a}szy and B. N{\'e}meth and D. Tikk},
  booktitle={RecSys '08},
Collaborative filtering (CF) approaches proved to be effective for recommender systems in predicting user preferences in item selection using known user ratings of items. [...] Key Method First, we investigate various regularization scenarios for MF. Second, we introduce two NB methods: one is based on correlation coefficients and the other on linear least squares. At the experimentation part, we show that the proposed approaches compare favorably with existing ones in terms of prediction accuracy and/or…Expand
157 Citations
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