{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:21:20Z","timestamp":1750306880090,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":13,"publisher":"ACM","license":[{"start":{"date-parts":[[2013,1,17]],"date-time":"2013-01-17T00:00:00Z","timestamp":1358380800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2012R1A1A2044562"],"award-info":[{"award-number":["2012R1A1A2044562"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,1,17]]},"DOI":"10.1145\/2448556.2448620","type":"proceedings-article","created":{"date-parts":[[2013,3,19]],"date-time":"2013-03-19T13:34:53Z","timestamp":1363700093000},"page":"1-6","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Identifying representative ratings for a new item in recommendation system"],"prefix":"10.1145","author":[{"given":"Sang-Min","family":"Choi","sequence":"first","affiliation":[{"name":"Yonsei University, Seodaemungu, Seoul, Republic of Korea"}]},{"given":"Yo-Sub","family":"Han","sequence":"additional","affiliation":[{"name":"Yonsei University, Seodaemungu, Seoul, Republic of Korea"}]}],"member":"320","published-online":{"date-parts":[[2013,1,17]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICCGI.2010.31"},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eswa.2012.08.063"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eswa.2012.01.132"},{"issue":"2","key":"e_1_3_2_1_4_1","first-page":"447","article-title":"Computing user reputation in a social network of web 2.0","volume":"31","author":"Han Y.-S.","year":"2012","journal-title":"Computing and Infomatics"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/312624.312682"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/963770.963775"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.5555\/1339264.1339675"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/11941439_162"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/352871.352887"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/371920.372071"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/564376.564421"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/1968613.1968615"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"crossref","unstructured":"D. C. Wilson B. Smyth and D. O'Sullivan. Sparsity reduction in collaborative recommendation: A case-based approach. international journal of pattern recognition and artificial intelligence (ijprai) 17(5): 863--884 2003.  D. C. Wilson B. Smyth and D. O'Sullivan. Sparsity reduction in collaborative recommendation: A case-based approach. international journal of pattern recognition and artificial intelligence (ijprai) 17(5): 863--884 2003.","DOI":"10.1142\/S0218001403002678"}],"event":{"name":"ICUIMC '13: The 7th International Conference on Ubiquitous Information Management and Communication","sponsor":["SIGAPP ACM Special Interest Group on Applied Computing","SKKU SUNGKYUNKWAN UNIVERSITY"],"location":"Kota Kinabalu Malaysia","acronym":"ICUIMC '13"},"container-title":["Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2448556.2448620","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2448556.2448620","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T08:18:32Z","timestamp":1750234712000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2448556.2448620"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,1,17]]},"references-count":13,"alternative-id":["10.1145\/2448556.2448620","10.1145\/2448556"],"URL":"https:\/\/doi.org\/10.1145\/2448556.2448620","relation":{},"subject":[],"published":{"date-parts":[[2013,1,17]]},"assertion":[{"value":"2013-01-17","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}