{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T04:19:41Z","timestamp":1750220381882,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":16,"publisher":"ACM","license":[{"start":{"date-parts":[[2021,8,14]],"date-time":"2021-08-14T00:00:00Z","timestamp":1628899200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,8,14]]},"DOI":"10.1145\/3447548.3467380","type":"proceedings-article","created":{"date-parts":[[2021,8,13]],"date-time":"2021-08-13T18:33:08Z","timestamp":1628879588000},"page":"1006-1016","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Efficient Collaborative Filtering via Data Augmentation and Step-size Optimization"],"prefix":"10.1145","author":[{"given":"Xuejun","family":"Liao","sequence":"first","affiliation":[{"name":"SAS Institute Inc., Cary, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrick","family":"Koch","sequence":"additional","affiliation":[{"name":"SAS Institute Inc., Cary, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shunping","family":"Huang","sequence":"additional","affiliation":[{"name":"SAS Institute Inc., Cary, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yan","family":"Xu","sequence":"additional","affiliation":[{"name":"SAS Institute Inc., Cary, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2021,8,14]]},"reference":[{"key":"e_1_3_2_1_1_1","unstructured":"B. Bakker and T. Heskes. 2003. Task clustering and gating for Bayesian multitask learning Journal of Machine Learning Research Vol. 4 (2003) 83--99.  B. Bakker and T. Heskes. 2003. Task clustering and gating for Bayesian multitask learning Journal of Machine Learning Research Vol. 4 (2003) 83--99."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDM.2007.90"},{"key":"e_1_3_2_1_3_1","volume-title":"Nonlinear Programming","author":"Bertsekas D. P.","unstructured":"D. P. Bertsekas . 1999. Nonlinear Programming ( 2 nd Edition) .Athena Scientific . D. P. Bertsekas. 1999. Nonlinear Programming (2nd Edition) .Athena Scientific.","edition":"2"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2009.2035722"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10208-009-9045-5"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1023\/A:1007379606734"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2517-6161.1977.tb01600.x"},{"key":"e_1_3_2_1_8_1","volume-title":"Konstan","author":"Ekstrand Michael D.","year":"2011","unstructured":"Michael D. Ekstrand , John T. Riedl , and Joseph A . Konstan . 2011 . Collaborative Filtering Recommender Systems. Foundations and Trends\u00ae in Human--Computer Interaction , Vol. 4 , 2 (2011), 81--173. https:\/\/doi.org\/10.1561\/1100000009 10.1561\/1100000009 Michael D. Ekstrand, John T. Riedl, and Joseph A. Konstan. 2011. Collaborative Filtering Recommender Systems. Foundations and Trends\u00ae in Human--Computer Interaction, Vol. 4, 2 (2011), 81--173. https:\/\/doi.org\/10.1561\/1100000009"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.5555\/2789272.2912106"},{"volume-title":"Recommender systems handbook","author":"Koren Y","key":"e_1_3_2_1_10_1","unstructured":"Y Koren and R Bell . 2015. Advances in collaborative filtering . In Recommender systems handbook . Springer , Boston, MA , 77--118. Y Koren and R Bell. 2015. Advances in collaborative filtering. In Recommender systems handbook. Springer, Boston, MA, 77--118."},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1109\/MC.2009.263"},{"key":"e_1_3_2_1_12_1","first-page":"785","article-title":"A New Theory for Matrix Completion","volume":"30","author":"Liu Guangcan","year":"2017","unstructured":"Guangcan Liu , Qingshan Liu , and Xiaotong Yuan . 2017 . A New Theory for Matrix Completion . In Advances in Neural Information Processing Systems , Vol. 30. 785 -- 794 . Guangcan Liu, Qingshan Liu, and Xiaotong Yuan. 2017. A New Theory for Matrix Completion. In Advances in Neural Information Processing Systems, Vol. 30. 785--794.","journal-title":"Advances in Neural Information Processing Systems"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1109\/TIT.2017.2695614"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11222-013-9435-z"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.26599\/BDMA.2018.9020008"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1186\/s40537-019-0197-0"}],"event":{"name":"KDD '21: The 27th ACM SIGKDD Conference on Knowledge Discovery and Data Mining","sponsor":["SIGMOD ACM Special Interest Group on Management of Data","SIGKDD ACM Special Interest Group on Knowledge Discovery in Data"],"location":"Virtual Event Singapore","acronym":"KDD '21"},"container-title":["Proceedings of the 27th ACM SIGKDD Conference on Knowledge Discovery & Data Mining"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3447548.3467380","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3447548.3467380","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T20:18:23Z","timestamp":1750191503000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3447548.3467380"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,8,14]]},"references-count":16,"alternative-id":["10.1145\/3447548.3467380","10.1145\/3447548"],"URL":"https:\/\/doi.org\/10.1145\/3447548.3467380","relation":{},"subject":[],"published":{"date-parts":[[2021,8,14]]},"assertion":[{"value":"2021-08-14","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}