{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,22]],"date-time":"2026-03-22T16:13:05Z","timestamp":1774195985779,"version":"3.50.1"},"publisher-location":"New York, NY, USA","reference-count":21,"publisher":"ACM","license":[{"start":{"date-parts":[[2009,3,24]],"date-time":"2009-03-24T00:00:00Z","timestamp":1237852800000},"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":[[2009,3,24]]},"DOI":"10.1145\/1516360.1516404","type":"proceedings-article","created":{"date-parts":[[2009,4,6]],"date-time":"2009-04-06T16:34:53Z","timestamp":1239035693000},"page":"368-378","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":117,"title":["It takes variety to make a world"],"prefix":"10.1145","author":[{"given":"Cong","family":"Yu","sequence":"first","affiliation":[{"name":"Yahoo! Research New York, New York, NY"}]},{"given":"Laks","family":"Lakshmanan","sequence":"additional","affiliation":[{"name":"Univ. of British Columbia, Vancouver, Canada"}]},{"given":"Sihem","family":"Amer-Yahia","sequence":"additional","affiliation":[{"name":"Yahoo! Research New York, New York, NY"}]}],"member":"320","published-online":{"date-parts":[[2009,3,24]]},"reference":[{"key":"e_1_3_2_1_1_1","unstructured":"http:\/\/en.wikipedia.org\/wiki\/vector_space_model.  http:\/\/en.wikipedia.org\/wiki\/vector_space_model."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2005.99"},{"key":"e_1_3_2_1_3_1","volume-title":"CIDR","author":"Amer-Yahia S.","year":"2009"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1060745.1060784"},{"key":"e_1_3_2_1_5_1","volume-title":"Beyond Personalization Workshop. In IUI","author":"Bilgic M.","year":"2005"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/290941.291025"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/1247480.1247551"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/375551.375567"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/358916.358995"},{"key":"e_1_3_2_1_10_1","volume-title":"SIGIR","author":"Konstan J. A.","year":"2007"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2006.114"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/988672.988762"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1125451.1125659"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/1111449.1111475"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/1148170.1148320"},{"key":"e_1_3_2_1_16_1","volume-title":"AAAI Spring Symposium on Social Information Processing","author":"Stoyanovich J.","year":"2008"},{"key":"e_1_3_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1145\/1297231.1297259"},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2008.4497431"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/1150402.1150452"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2009.225"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/1060745.1060754"}],"event":{"name":"EDBT\/ICDT '09: EDBT\/ICDT '09 joint conference","location":"Saint Petersburg Russia","acronym":"EDBT\/ICDT '09"},"container-title":["Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1516360.1516404","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/1516360.1516404","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T13:29:57Z","timestamp":1750253397000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1516360.1516404"}},"subtitle":["diversification in recommender systems"],"short-title":[],"issued":{"date-parts":[[2009,3,24]]},"references-count":21,"alternative-id":["10.1145\/1516360.1516404","10.1145\/1516360"],"URL":"https:\/\/doi.org\/10.1145\/1516360.1516404","relation":{},"subject":[],"published":{"date-parts":[[2009,3,24]]},"assertion":[{"value":"2009-03-24","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}