RAPS: A Recommender Algorithm Based on Pattern Structures

RAPS: A Recommender Algorithm Based on Pattern Structures

We propose a new algorithm for recommender systems with numeric ratings which is based on Pattern Structures (RAPS). As the input the algorithm takes rating matrix, e.g., such that it contains movies rated by users. For a target user, the algorithm returns a rated list of items (movies) based on its...

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Veröffentlicht in:arXiv.org 2015-07
Hauptverfasser: Ignatov, Dmitry I, Kornilov, Denis
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Algorithms
Ratings
Recommender systems
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description We propose a new algorithm for recommender systems with numeric ratings which is based on Pattern Structures (RAPS). As the input the algorithm takes rating matrix, e.g., such that it contains movies rated by users. For a target user, the algorithm returns a rated list of items (movies) based on its previous ratings and ratings of other users. We compare the results of the proposed algorithm in terms of precision and recall measures with Slope One, one of the state-of-the-art item-based algorithms, on Movie Lens dataset and RAPS demonstrates the best or comparable quality.
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Ratings
Recommender systems
title RAPS: A Recommender Algorithm Based on Pattern Structures
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