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Program Systems: Theory and Applications, 2014, Volume 5, Issue 5, Pages 55–65
(Mi ps146)
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Optimization Methods and Control Theory
Quality of recommender systems and transitivity of content's relevance
Denis Ponyzovkin Program Systems Institute of RAS
Abstract:
In this paper, we propose relevance and degree of relevance of user's or item's contents. Heuristic motivations of traditional recommender systems assume that there is transitivity property of relevance. We introduce importance of transitivity property, its influence on values of evaluation metrics and show that transitivity not performed in general case for traditional recommender systems. (In Russian).
Key words and phrases:
traditional recommender system, similarity measure, transitivity, content's relevance, evaluation metric.
Received: 07.12.2014 Accepted: 31.12.2014
Citation:
Denis Ponyzovkin, “Quality of recommender systems and transitivity of content's relevance”, Program Systems: Theory and Applications, 5:5 (2014), 55–65
Linking options:
https://www.mathnet.ru/eng/ps146 https://www.mathnet.ru/eng/ps/v5/i5/p55
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Abstract page: | 133 | Full-text PDF : | 42 | References: | 20 |
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