Uncertainty in Artificial Intelligence
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Incorporating Side Information in Probabilistic Matrix Factorization with Gaussian Processes
Ryan Adams, George Dahl, Iain Murray
Probabilistic matrix factorization (PMF) is a powerful method for modeling data associ- ated with pairwise relationships, Finding use in collaborative Filtering, computational bi- ology, and document analysis, among other areas. In many domains, there are additional covariates that can assist in prediction. For example, when modeling movie ratings, we might know when the rating occurred, where the user lives, or what actors appear in the movie. It is difficult, however, to incorporate this side information into the PMF model. We propose a framework for incorporating side information by coupling together multi- ple PMF problems via Gaussian process priors. We replace scalar latent features with func- tions that vary over the covariate space. The GP priors on these functions require them to vary smoothly and share information. We apply this new method to predict the scores of professional basketball games, where side information about the venue and date of the game are relevant for the outcome.
Pages: 1-9
PS Link:
PDF Link: /papers/10/p1-adams.pdf
AUTHOR = "Ryan Adams and George Dahl and Iain Murray",
TITLE = "Incorporating Side Information in Probabilistic Matrix Factorization with Gaussian Processes",
BOOKTITLE = "Proceedings of the Twenty-Sixth Conference Annual Conference on Uncertainty in Artificial Intelligence (UAI-10)",
ADDRESS = "Corvallis, Oregon",
YEAR = "2010",
PAGES = "1--9"

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