Bret Hoehn

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Bret Hoehn is an author.


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Title Keyword(s) Published in Language DateThis property is a special property in this wiki. Abstract R C
Does Wikipedia information help Netflix predictions? Proceedings - 7th International Conference on Machine Learning and Applications, ICMLA 2008 English 2008 We explore several ways to estimate movie similarity from the free encyclopedia Wikipedia with the goal of improving our predictions for the Netflix Prize. Our system first uses the content and hyperlink structure of Wikipedia articles to identify similarities between movies. We then predict a user's unknown ratings by using these similarities in conjunction with the user's known ratings to initialize matrix factorization and k-Nearest Neighbours algorithms. We blend these results with existing ratings-based predictors. Finally, we discuss our empirical results, which suggest that external Wikipedia data does not significantly improve the overall prediction accuracy. 0 0