CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9136404d7b254038',cH: 'u.xVr0VLD8SWoN5fonzhUNecJmyaKsM7uw0PGKe2xnc-1739800276-1.2.1.1-6J_iVG9zCK020lVpK.PqafqcBuQ2So9YDWeMsUnEAREQZxL5zG8lSfrym_wNXWcO',cUPMDTk: "\/abstracts\/search?q=latent%20dirichlet%20allocation&__cf_chl_tk=k07Lk1nF_qLJpzl.b9tLd9GyLVfbu1zfZui7vJzhVNk-1739800276-1.0.1.1-wO502XBLsv6tPMJARIXPUqEii.nC_Cwr08QKuHh4OFY",cFPWv: 'b',cITimeS: '1739800276',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=latent%20dirichlet%20allocation&__cf_chl_f_tk=k07Lk1nF_qLJpzl.b9tLd9GyLVfbu1zfZui7vJzhVNk-1739800276-1.0.1.1-wO502XBLsv6tPMJARIXPUqEii.nC_Cwr08QKuHh4OFY",md: "HymRYQFtLknBGWMJhLK1eUN7D8aqnEiqoqWsXqHKDQQ-1739800276-1.2.1.1-QsZs20BmSFrmdmKlk.qO4301Quno74g_r0K_eiMO6r99mbKluHSiENLM6wnEyGbNKKhP.OI88sgeA2IWc3Tqlt29j_7_Kdo2mgmrdeT2SXSpGIgVcMPEMYUE7Z9AFws4oMj5W27V6o_pbQjiAdMEEJwCVg0LMBnmH3HEc9amyDbGuflUO9_sN8LgPvRA0Me1TSjkVUjmYYV1N_FoY_iW2jSnIy8yec2JRwY1rlckaZYkiT248wR1cGFpPQyf2aUOH16OwBsNGYUNXTzvsp9G.8RRLHOyWxdVgPA2mmAWpW2erWKZqJKVYA4wNTVnZkKtKZLRUWSneHjKKZchedq7zs1obNqLlCV5tyCGIQEYxCeJAS8dG1pM2SIm0HI.Vid6H93JQsqGZlTT_ZQ3KfSWNxtT9l_6BF.m3L_9spDYCUuYfDMNGp7AA1KFraZ37yZtsKgcRTY6WnTAzrvH6PodGy0JfEHW7vfz1h8PJtd0dK_LKBuHMBfp7BjstxblX17gnBffkL6KHxknuAe1dKrpWbiRYzRaW3Yi._ug1Ld3LGxWAZCydBDN5TlCOKpPKi.5AdrqGDsKza1KGCAWTVSaA7BROXOhOO6Jg6AkuMV3vzGPR_tKvLN6to5GLG4iWwzvrs90g5sCJ.nsMQ..TvDZLa7GXcC0Cv8A_6yD6R3_kHs2K.lZOm061K8WogYhfOLLqf22yj7PQQX93etk3jddVCU5s.MqM43gbXWXEHmmjSoqdIhKQnxqBJE3LGnP.bUU5wTXuPgTAoP3gs4y7m3HXzUjTBHD.9ODn1wlXOGGsOT42FT6hUXtSM0r8IqIf9DhApQ93AqjLYMHfYLjCWfhglcPSqRo64lDOzzd4pwBWK7s2Gct7g2FNuvXjcEGn11AONLmQUQFwtrHiIxG.8seVsUX6iYKIzqqQXttqyW0hdY5.8FUvxi5qA.NO4Uhki.IjHNdy4JgQLNLRTy2xJFftqwoPBg5fvv2sXW7wGYA0yPTUZit3C_AtV9qKiVhFqvCq8_9kJREVkRYBAU7nPbrrZ6CBHBf_W316hGPF3NVS1jCj7IgLsfP2RccNR1Ma6eDIM.EK6Sbs_Q5MNKaLOnUekwzKZOy4hLXc9vfmsH8DuqdaBhNXVSFwgVMA119eH0SKDAAzucGGybDuS5Lhs8EY8OoyD1WuRffKKhH677QAyoAhi1fhzio5AYIq3zt8.8sRL04jkFWThRwh5HgU7eZUC1apdOBBMREhnT5l.LpJ8TsGtFNnjDzsKnYeeyYDR4VSSCb.6rg5K0n32JbhipxoNkawbtNJ35JDs8_Vg_7wAjIs6wLFt.aWVgbK1mAEAIUjytCg4KRjHkGNrKGb7JxCf_b8rzvA_OGf3mTvjT9vjQMPxe1.oaZ9F_JV70sBnIxpf7_DwLeBmXwV.DOZM7QkjekOgcIP3IJmNCt.34MebccACM6qhtL2RB8EKiZvXGFh8jS7ilwijUECFwEhDwZBhspLS0jQv.5hkIOB6DMbfwQHyyKqPH_WmwyaUh4tiluI2x1IBdrU1e48S1jZCZnpWf1u5ZEPCMtwC3wbxDNku3TwnZDGdbWQFgPSx4e5hhDaWYwkQwjfya0dg4D27aS3PgpktZIja7A9NAR53fp8tM4p6Y7hAIfZmJwtoTNYPnj.Djy8kjqCcTJ.mUGETzeQLnq0UzQEdr82rC8NqrpT6O3hYduFdku9851ZI2XDyGkUC8oL.06SxwOHAa30ibQFkXTCZidbWNr0IfQtl8v9xr4b80CIFSirxRomObnmwbm71i7YStC6UWRa.pFDAEPdw6tqgDxTJH_sOPB0bpPGn36Dps3vdQnDs__YOnCYQ3NiYr0UT0TAIVSTcWOuYfKD3hV2Eg9gpX_tIaTYGtBpIT1hQqcjnN0r_DFPN1oguLgzh6jVDNcfOF7OwU.CgCzaep_FQ_ik8Ws7.rWJtt.JenRKvcD46YdeB7p09h3yqc8YOiJPxtCfL5Frk8jnT20jg",mdrd: "0cIl702uBl0uH1XHnKjcyipyeQu9p8vMzWoF0yRK6AE-1739800276-1.2.1.1-Pujwwdt_JuP2XoNGsmXnTXrylXNciAF.kL9hjM7BhyCLH8g9vgoWcJ_0giKh7HhMO.a68Lkj0WNiIgYilpeomT6lYxzpMKWGptipIAwY0VcopmDE4D7AefdtzOVD5u_J.KikIlZbLXjdDNvNx86rhhrXnIVoALu04ogDBAtzQTLhAUAdo7NVidBrfz88OEpZzPIhpJSaPOala._.ZgIPND8s_CFsg3AHPFpdAlq7VUOkvVDk6WbrLNRG14KC.KqGIpSqNYMgnmCokVgVbjlkYYOC2vGVhtSvgCUVnLnPH7ajGvyA8Zua89qFTVZaT1CjJFlErQnitBKEJrfuFAJzp5Hz6gn4z5vrKXEIcHZfsTnrjFPO5asC8m.2kv.5uqRx11YDH79KKkIdvuIBOMheqH4lSBHFG3.aoxFU5RJ0BpuIhHrEffVEYZZOasH6s0SOmbacLGA3HLX_JjVDSJF_9QW4sU6yLgrpEtUEhn7JyS1VdSgcWnqFBaUb8oaFiHPPuwBSpo67SXNtC78A2j6RfHLUwMwD5dWzAYlfOnhw8okD.hj_T4iXbOX3R8zt4pz94JQ8EGfUjUyiDKBQFMgYx7728PucZ45QlPwOtPfs2_WVtlWn28PPItd0.bcA3cB0pODk9PFQw3.C.4UtZca.vUUKP6ZmegucKgydI0wCx1NloUuKCgDeK6.H7ms2YBKvr7mCiOYGYQ921l8VpNn47g1xaiCE7QyxcuFJ6pqqQj6SaIDYBumt67l4f6blqKiSP1VscHSojMdDqWgRTcvGvRtC424s2ySRu0DOTopS7od9_zbBOvtujkR0.vVxrgwt_jhViUVpbZYsII2eWBPMiNWPSG_Y1BV7pVVqnyi0SvNynMwSsyEKo2uyjFotgDl9hsF1EIaGe2mtXnE3x6wENP81bQNBEsI2d16qbBrmpzTqnni3.t7sfEoTP07rREYkatwWSd3TXxjtKlYEa9Et5ck8Eo4e.AUZ7z6f9LvARN3xRr_waTBjyHwjwILKYT5ztxEcH9GdS.Y2a2WfQPHoqgNxRJt02Koo3eRZGtSoQLxIQtNMdTkYmuwHVARPElT0UCx7LPjYKNE__XpTMW2xUGUkOkfwn04St8CQRXn4ghMCUrXsOv1qpOEiojbHnmTvpGOohq8cgUQZVgLzELhonqVxJJ8fnfT.AaxKSwCY_ZirkQr5pj4C9Dwjy4UA.l2rVz9eVhvTrZdqB1IqgKe3T.p.RwbjH6oKHlta3gG3p1VJ3m34PaA7AcnvmZ1ZgverdLLsfumBzAgA8zwZzUMIHbe96ZrFFl_ex.9cPpepZY7fub5Ce9.oY3Xf6sPAYr_zwNsRZ5vK2UQOF0NEM26zsoAtNU4Dz53A5va8uhYnsCzoZvfFBuhEyb2jAo12BbgB_zJdHGyjcAI.VFXe9Q4VcekyykFzNrjS9zASxKJOsMnAM5EujBMP5iXdPWxS9xor5YwbtU2mRJEFWMnXfPIdtCXh4ikEH7ZWdeNPKn8BaJSUJp_PPfyo.LkpPLjmoXED4xQWhsCO9LVsJUueE2Pjn6XR8q8N4aVVlLYstHWe4MjFBdayfUUcnXHijY8oqxGBU8IIDV37imMQzWF5vvhNPQDSvC9xe_7_cT11l9DyJgN5GEmFcayM.AzbKs2Ml.I90hmL8gMRbIeCx9QuUczs9D5QrHn3cWM2zQADXP4h8rOH0WIxlzhPt1_wF1CZoKdObmOmFLG9ZiiOtnsFIyQCyMwGbPF8xFgK42DWTvTSCqMjV0hQ_zwMcLMbAp1dJPaDb4srFhIA5xdUUDUgSBOCOxr7gegsvoUXeg7TJg8y_8xAAhPBYz7RRjBiIF5_xaeZbejnU2GK5kMIeFJqbsgtIJepSXKdXRGU59E0oIZvVnZhybGWuxUlQwWbNwYYh96Y_0NqO7D0I_rS3mdETEaqwu1MWBhbwF5BrushH9r5Ua5A7UqL5mzD0lfujagqFvqX"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9136404d7b254038';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=latent%20dirichlet%20allocation&__cf_chl_rt_tk=k07Lk1nF_qLJpzl.b9tLd9GyLVfbu1zfZui7vJzhVNk-1739800276-1.0.1.1-wO502XBLsv6tPMJARIXPUqEii.nC_Cwr08QKuHh4OFY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>