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Regular version of the site

Book chapter

Context-Aware Recommender System Based on Boolean Matrix Factorisation

P. 99-110.
Ignatov D. I., Ахматнуров М.

In this work we propose and study an approach for collaborative filtering, which is based on Boolean matrix factorisation and exploits additional (context) information about users and items. To avoid similarity loss in case of Boolean representation we use an adjusted type of projection of a target user to the obtained factor space. We have compared the proposed method with SVD-based approach on the MovieLens dataset. The experiments demonstrate that the proposed method has better MAE and Precision and comparable Recall and F-measure. We also report an increase of quality in the context information presence.

In book

Edited by: S. Ben Yahia, J. Konecny. Vol. 1466. Clermont-Ferrand: CEUR Workshop Proceedings, 2015.