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To improve scalability, we propose four strategies:\n            <jats:italic>data placement<\/jats:italic>\n            ,\n            <jats:italic>pipeline processing<\/jats:italic>\n            ,\n            <jats:italic>word bundling<\/jats:italic>\n            , and\n            <jats:italic>priority-based scheduling<\/jats:italic>\n            . Experiments show that our strategies significantly reduce the unparallelizable communication bottleneck and achieve good load balancing, and hence improve scalability of LDA.\n          <\/jats:p>","DOI":"10.1145\/1961189.1961198","type":"journal-article","created":{"date-parts":[[2012,10,12]],"date-time":"2012-10-12T20:56:02Z","timestamp":1350075362000},"page":"1-18","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":88,"title":["PLDA+"],"prefix":"10.1145","volume":"2","author":[{"given":"Zhiyuan","family":"Liu","sequence":"first","affiliation":[{"name":"Google Inc., China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuzhou","family":"Zhang","sequence":"additional","affiliation":[{"name":"Google Inc., China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward Y.","family":"Chang","sequence":"additional","affiliation":[{"name":"Google Inc., China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maosong","family":"Sun","sequence":"additional","affiliation":[{"name":"Tsinghua University"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2011,5,6]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"Proceedings of the Conference on Advances in Neural Information Processing Systems (NIPS'08)","author":"Asuncion A."},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.stamet.2010.03.002"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tcs.2008.09.023"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.5555\/944919.944937"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1109\/38.67707"},{"key":"e_1_2_1_6_1","volume-title":"Proceedings of the Conference on Advances in Neural Information Processing Systems (NIPS'07)","author":"Chemudugunta C."},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/1526709.1526801"},{"key":"e_1_2_1_8_1","volume-title":"Proceedings of the Conference on Advances in Neural Information Processing Systems (NIPS'06)","author":"Chu C.-T."},{"key":"e_1_2_1_9_1","volume-title":"Proceedings of the ACM USENIX Symposium on Operating Systems Design and Implentation (OSDI'04)","author":"Dean J."},{"key":"e_1_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/1390156.1390200"},{"key":"e_1_2_1_11_1","volume-title":"Speed: The Future of Supercomputing","author":"Graham S.","year":"2005"},{"key":"e_1_2_1_12_1","doi-asserted-by":"crossref","unstructured":"Griffiths T. and Steyvers M. 2004. Finding scientific topics. Proc. Nat. Acad. Sci. United States Amer. 101 90001 5228--5235.  Griffiths T. and Steyvers M. 2004. Finding scientific topics. Proc. Nat. Acad. Sci. United States Amer. 101 90001 5228--5235.","DOI":"10.1073\/pnas.0307752101"},{"key":"e_1_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1143844.1143917"},{"key":"e_1_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/1255175.1255249"},{"key":"e_1_2_1_15_1","volume-title":"Proceedings of the Conference on Advances in Neural Information Processing Systems (NIPS'07)","author":"Newman D."},{"key":"e_1_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.5555\/1577069.1755845"},{"key":"e_1_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1145\/1401890.1401960"},{"key":"e_1_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1145\/1658377.1658381"},{"key":"e_1_2_1_19_1","unstructured":"Shen J. P. and Lipasti M. H. 2005. Modern Processor Design: Fundamentals of Superscalar Processors. McGraw-Hill Higher Education.  Shen J. P. and Lipasti M. H. 2005. Modern Processor Design: Fundamentals of Superscalar Processors. McGraw-Hill Higher Education."},{"key":"e_1_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-02158-9_26"},{"key":"e_1_2_1_21_1","volume-title":"Proceedings of the Conference on Advances in Neural Information Processing Systems (NIPS'09)","author":"Yan F."}],"container-title":["ACM Transactions on Intelligent Systems and Technology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1961189.1961198","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/1961189.1961198","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T10:59:50Z","timestamp":1750244390000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1961189.1961198"}},"subtitle":["Parallel latent dirichlet allocation with data placement and pipeline processing"],"short-title":[],"issued":{"date-parts":[[2011,4]]},"references-count":21,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2011,4]]}},"alternative-id":["10.1145\/1961189.1961198"],"URL":"https:\/\/doi.org\/10.1145\/1961189.1961198","relation":{},"ISSN":["2157-6904","2157-6912"],"issn-type":[{"value":"2157-6904","type":"print"},{"value":"2157-6912","type":"electronic"}],"subject":[],"published":{"date-parts":[[2011,4]]},"assertion":[{"value":"2010-04-01","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2010-10-01","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2011-05-06","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}