{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T04:27:50Z","timestamp":1777696070359,"version":"3.51.4"},"reference-count":20,"publisher":"SAGE Publications","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IDA"],"published-print":{"date-parts":[[2021,9,15]]},"abstract":"<jats:p>Matrix factorization (MF) models are effective and easy to expand and are widely used in industry, such as rating prediction and item recommendation. The basic MF model is relatively simple. In practical applications, side information such as attributes or implicit feedback is often combined to improve accuracy by modifying the model and optimizing the algorithm. In this paper, we propose an attribute interaction-aware matrix factorization (AIMF) method for recommendation tasks. We partition the original rating matrix into different sub-matrices according to the attribute interactions, train each sub-matrix independently, and merge all the latent vectors to generate the final score. Since the generated sub-matrices vary in size, an adaptive regularization coefficient optimization strategy and an adaptive latent vector dimension optimization strategy are proposed for sub-matrix training, and a variety of latent vector merging methods are put forward. The method AIMF has two advantages. When the original rating matrix is particularly large, the training time complexity of the MF-based model becomes higher and the update cost of the model is also higher. In AIMF, because each sub-matrix is usually much smaller than the original rating matrix, the training time complexity is greatly reduced after using parallel computing technology. Secondly, in AIMF, it is not necessary to modify the matrix factorization model to incorporate attributes and their interactive information into the model to improve the performance. The experimental results on the two classic public datasets MovieLens 1M and MovieLens 100k show that AIMF can not only effectively improve the accuracy of recommendation, but also make full use of parallel computing technology to improve training efficiency without modifying the matrix factorization model.<\/jats:p>","DOI":"10.3233\/ida-205407","type":"journal-article","created":{"date-parts":[[2021,9,17]],"date-time":"2021-09-17T12:01:39Z","timestamp":1631880099000},"page":"1115-1130","source":"Crossref","is-referenced-by-count":3,"title":["Attribute interaction aware matrix factorization method for recommendation"],"prefix":"10.1177","volume":"25","author":[{"given":"Yongquan","family":"Wan","sequence":"first","affiliation":[{"name":"School of Computer Engineering and Science, Shanghai University, Shanghai, China"},{"name":"Department of Computer Science and Technology, Shanghai Jianqiao University, Shanghai, China"}]},{"given":"Lihua","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Computer Science and Technology, Donghua University, Shanghai, China"}]},{"given":"Cairong","family":"Yan","sequence":"additional","affiliation":[{"name":"School of Computer Science and Technology, Donghua University, Shanghai, China"}]},{"given":"Bofeng","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Computer Engineering and Science, Shanghai University, Shanghai, China"}]}],"member":"179","reference":[{"issue":"3","key":"10.3233\/IDA-205407_ref1","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1109\/MIC.2017.72","article-title":"Two decades of recommender systems at amazon.com","volume":"21","author":"Smith","year":"2016","journal-title":"IEEE Internet Computing"},{"issue":"4","key":"10.3233\/IDA-205407_ref2","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1145\/2843948","article-title":"The netflix recommender system: algorithms, business value, and innovation","volume":"6","author":"Gomez-Uribe","year":"2015","journal-title":"ACM Transactions on Management Information Systems"},{"issue":"4","key":"10.3233\/IDA-205407_ref3","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1145\/3190616","article-title":"Sequence-aware recommender systems","volume":"51","author":"Quadrana","year":"2018","journal-title":"ACM Computing Surveys"},{"issue":"2","key":"10.3233\/IDA-205407_ref4","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1007\/s10844-018-0542-3","article-title":"A survey on group recommender systems","volume":"54","author":"Dara","year":"2020","journal-title":"Journal of Intelligent Information Systems"},{"issue":"4","key":"10.3233\/IDA-205407_ref5","doi-asserted-by":"crossref","first-page":"798","DOI":"10.1109\/TKDE.2016.2641439","article-title":"Enabling kernel-based attribute-aware matrix factorization for rating prediction","volume":"29","author":"Zhang","year":"2016","journal-title":"IEEE Transactions on Knowledge and Data Engineering"},{"key":"10.3233\/IDA-205407_ref6","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1016\/j.knosys.2018.09.011","article-title":"Singular value decomposition-based recommendation using imputed data","volume":"163","author":"Yuan","year":"2019","journal-title":"Knowledge-Based Systems"},{"key":"10.3233\/IDA-205407_ref7","doi-asserted-by":"crossref","first-page":"11349","DOI":"10.1109\/ACCESS.2019.2891544","article-title":"Cold start recommendation based on attribute-fused singular value decomposition","volume":"7","author":"Guo","year":"2019","journal-title":"IEEE Access"},{"issue":"3","key":"10.3233\/IDA-205407_ref8","doi-asserted-by":"crossref","first-page":"521","DOI":"10.1007\/s10489-016-0841-8","article-title":"Attributes coupling based matrix factorization for item recommendation","volume":"46","author":"Yu","year":"2017","journal-title":"Applied Intelligence"},{"key":"10.3233\/IDA-205407_ref9","doi-asserted-by":"crossref","unstructured":"S. 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