{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:42:12Z","timestamp":1787017332199,"version":"3.56.0"},"publisher-location":"New York, NY, USA","reference-count":8,"publisher":"ACM","license":[{"start":{"date-parts":[[2011,10,23]],"date-time":"2011-10-23T00:00:00Z","timestamp":1319328000000},"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":[[2011,10,23]]},"DOI":"10.1145\/2043932.2043987","type":"proceedings-article","created":{"date-parts":[[2011,10,25]],"date-time":"2011-10-25T08:23:06Z","timestamp":1319530986000},"page":"297-300","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":41,"title":["Applications of the conjugate gradient method for implicit feedback collaborative filtering"],"prefix":"10.1145","author":[{"given":"G\u00e1bor","family":"Tak\u00e1cs","sequence":"first","affiliation":[{"name":"Sz\u00e9chenyi Istv\u00e1n University, GyQr, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Istv\u00e1n","family":"Pil\u00e1szy","sequence":"additional","affiliation":[{"name":"Gravity Research &amp; Development Ltd., Budapest, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Domonkos","family":"Tikk","sequence":"additional","affiliation":[{"name":"Gravity Research &amp; Development Ltd., Budapest, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2011,10,23]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/1014052.1014097"},{"key":"e_1_3_2_1_2_1","volume-title":"Proc. of the RecSys 2009 Workshop on Context-aware Recommender Systems","author":"Baltrunas L.","year":"2009","unstructured":"L. Baltrunas and X. Amatriain . Towards time-dependant recommendation based on implicit feedback . In Proc. of the RecSys 2009 Workshop on Context-aware Recommender Systems , 2009 . L. Baltrunas and X. Amatriain. Towards time-dependant recommendation based on implicit feedback. In Proc. of the RecSys 2009 Workshop on Context-aware Recommender Systems, 2009."},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.6028\/jres.049.044"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDM.2008.22"},{"key":"e_1_3_2_1_5_1","volume-title":"Proc. of KDD Cup Workshop at SIGKDD-07","author":"Paterek A.","year":"2007","unstructured":"A. Paterek . Improving regularized singular value decomposition for collaborative filtering . In Proc. of KDD Cup Workshop at SIGKDD-07 , 13th ACM Int. Conf. on Knowledge Discovery and Data Mining, pages 39--42, San Jose, California, USA , 2007 . A. Paterek. Improving regularized singular value decomposition for collaborative filtering. In Proc. of KDD Cup Workshop at SIGKDD-07, 13th ACM Int. Conf. on Knowledge Discovery and Data Mining, pages 39--42, San Jose, California, USA, 2007."},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/1864708.1864726"},{"key":"e_1_3_2_1_7_1","first-page":"452","volume-title":"Proc. of the 25th Conf. on Uncertainty in Artificial Intelligence, UAI '09","author":"Rendle S.","year":"2009","unstructured":"S. Rendle , C. Freudenthaler , Z. Gantner , and L. Schmidt-Thieme . BPR: Bayesian personalized ranking from implicit feedback . In Proc. of the 25th Conf. on Uncertainty in Artificial Intelligence, UAI '09 , pages 452 -- 461 , 2009 . S. Rendle, C. Freudenthaler, Z. Gantner, and L. Schmidt-Thieme. BPR: Bayesian personalized ranking from implicit feedback. In Proc. of the 25th Conf. on Uncertainty in Artificial Intelligence, UAI '09, pages 452--461, 2009."},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.5555\/1577069.1577091"}],"event":{"name":"RecSys '11: Fifth ACM Conference on Recommender Systems","location":"Chicago Illinois USA","acronym":"RecSys '11","sponsor":["SIGCHI ACM Special Interest Group on Computer-Human Interaction","SIGWEB ACM Special Interest Group on Hypertext, Hypermedia, and Web","SIGAI ACM Special Interest Group on Artificial Intelligence","SIGKDD ACM Special Interest Group on Knowledge Discovery in Data","SIGIR ACM Special Interest Group on Information Retrieval","SIGecom Special Interest Group on Economics and Computation"]},"container-title":["Proceedings of the fifth ACM conference on Recommender systems"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2043932.2043987","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2043932.2043987","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T05:48:40Z","timestamp":1750225720000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2043932.2043987"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,10,23]]},"references-count":8,"alternative-id":["10.1145\/2043932.2043987","10.1145\/2043932"],"URL":"https:\/\/doi.org\/10.1145\/2043932.2043987","relation":{},"subject":[],"published":{"date-parts":[[2011,10,23]]},"assertion":[{"value":"2011-10-23","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}