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Can movies and books collaborate?: cross-domain collaborative filtering for sparsity reduction

IJCAI, pp.2052-2057, (2009)

Cited by: 394|Views158
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Abstract

The sparsity problem in collaborative filtering (CF) is a major bottleneck for most CF methods. In this paper, we consider a novel approach for alleviating the sparsity problem in CF by transferring useritem rating patterns from a dense auxiliary rating matrix in other domains (e.g., a popular movie rating website) to a sparse rating matr...More

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