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Non-Linear Matrix Factorization with Gaussian Processes
This video was recorded at 26th International Conference on Machine Learning (ICML), Montreal 2009. A popular approach to collaborative filtering is matrix factorization. In this paper we consider the "probabilistic matrix factorization" and by taking a latent variable model perspective we show its equivalence to Bayesian PCA. This inspires us to consider probabilistic PCA and its non-linear extension, the Gaussian process latent variable model (GP-LVM) as an approach for probabilistic non-linear matrix factorization. We apply approach to benchmark movie recommender data sets. The results show better than previous state-of-the-art performance.
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This work is licensed under a Attribution-NonCommercial-NoDerivs 3.0 United States
