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  Collaborative Filtering via Ensembles of Matrix Factorizations

Wu, M. (2007). Collaborative Filtering via Ensembles of Matrix Factorizations. In KDD Cup and Workshop 2007 (pp. 43-47).

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-CC3D-E Version Permalink: https://hdl.handle.net/21.11116/0000-0003-D80B-E
Genre: Conference Paper

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 Creators:
Wu, M1, 2, Author           
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1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: We present a Matrix Factorization(MF) based approach for the Netflix Prize competition. Currently MF based algorithms are popular and have proved successful for collaborative filtering tasks. For the Netflix Prize competition, we adopt three different types of MF algorithms: regularized MF, maximum margin MF and non-negative MF. Furthermore, for each MF algorithm, instead of selecting the optimal parameters, we combine the results obtained with several parameters. With this method, we achieve a performance that is more than 6 better than the Netflix's own system.

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 Dates: 2007-08
 Publication Status: Issued
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 Identifiers: BibTex Citekey: 4614
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Title: KDD Cup and Workshop 2007
Place of Event: San Jose, CA, USA
Start-/End Date: 2007-08-12

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Title: KDD Cup and Workshop 2007
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 43 - 47 Identifier: -