{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:05:14Z","timestamp":1760241914197,"version":"build-2065373602"},"reference-count":40,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2018,11,9]],"date-time":"2018-11-09T00:00:00Z","timestamp":1541721600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61672006"],"award-info":[{"award-number":["61672006"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Natural Science foundation Anhui Provincial Education Department","award":["KJ2017A332","KJ2018A0328"],"award-info":[{"award-number":["KJ2017A332","KJ2018A0328"]}]},{"DOI":"10.13039\/501100003995","name":"Natural Science Foundation of Anhui Province","doi-asserted-by":"publisher","award":["1808085QF209"],"award-info":[{"award-number":["1808085QF209"]}],"id":[{"id":"10.13039\/501100003995","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>A recommender system can effectively solve the problem of information overload in the era of big data. Recent research on recommender systems, specifically Collaborative Filtering, has focused on Matrix Factorization methods, which have been shown to have excellent performance. However, these methods do not pay attention to the influence of a user\u2019s rating characteristics, which are especially important for the accuracy of prediction or recommendation. Therefore, in order to get better performance, we propose a novel method based on matrix factorization. We consider that the user\u2019s rating score is composed of two parts: the real score, which is decided by the user\u2019s preferences; and the bias score, which is decided by the user\u2019s rating characteristics. We then analyze the user\u2019s historical behavior to find his rating characteristics by using the matrix factorization technique and use them to adjust the final prediction results. Finally, by comparing with the latest algorithms on the open datasets, we verified that the proposed method can significantly improve the accuracy of recommender systems and achieve the best performance in terms of prediction accuracy criterion over other state-of-the-art methods.<\/jats:p>","DOI":"10.3390\/sym10110616","type":"journal-article","created":{"date-parts":[[2018,11,13]],"date-time":"2018-11-13T03:27:31Z","timestamp":1542079651000},"page":"616","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Detect User\u2019s Rating Characteristics by Separate Scores for Matrix Factorization Technique"],"prefix":"10.3390","volume":"10","author":[{"given":"Jia","family":"Zhao","sequence":"first","affiliation":[{"name":"School of Computer and Information Engineering, Fuyang Normal University, Fuyang 236037, China"}]},{"given":"Gang","family":"Sun","sequence":"additional","affiliation":[{"name":"School of Computer and Information Engineering, Fuyang Normal University, Fuyang 236037, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,11,9]]},"reference":[{"unstructured":"Felfernig, A., Isak, K., Szabo, K., and Zachar, P. 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