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: "waset.org",cType: 'non-interactive',cRay: '91349de05ce137b5',cH: 'QTgxSJnYBN6WZaYOQXbCTo3fU7Y0SIlQoX01NsqwFiU-1739783137-1.2.1.1-haInO0PSnt4oA3tkmvBc1tQEYG.ADSx5f_LXJ_Zzs6IaXXw9g2GNcSkcVu4XJwOa',cUPMDTk: "\/data-mining-big-data-database-and-data-system-conference-in-july-2025-in-washington?__cf_chl_tk=PA4.9e939zti_P7HK8GR7DHwtZP53NHeaiDBC8h0kt4-1739783137-1.0.1.1-nlPyjdNU9skFZ5y.LcbqjYUN0YbQM3umowIHPkgLxkQ",cFPWv: 'b',cITimeS: '1739783137',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/data-mining-big-data-database-and-data-system-conference-in-july-2025-in-washington?__cf_chl_f_tk=PA4.9e939zti_P7HK8GR7DHwtZP53NHeaiDBC8h0kt4-1739783137-1.0.1.1-nlPyjdNU9skFZ5y.LcbqjYUN0YbQM3umowIHPkgLxkQ",md: "gEGugKZ5qm4HHwgNSKgSqRsuDbvOTm0hbotnOoWy1Dg-1739783137-1.2.1.1-obpgtmSIpgTeP46Jz7d__Y6y2i5BHs8Xm4oyfBffK7JWKG2VnWNKniYyOelnUUKKb3L51CJTYSqOjXkRkGCis3H_nXI.T5ZaROWnvSm_K0Xw9j7BHQkjKD8n7cD8NKqOiSr.LXNE1JweZWJ8uhHULrHhMil2hUN_g7KOXL_dRrWIT5c2CUB5XTWkNilcV13hs2iDiWX7_VazyMaBvl3L3cWx90F53.6B3p4LmVcGu_JstA4VW.B7Ic6TKrA5eSSsgica6J.akQ.FNtOQ2gX2MEXknaI7t50olEpvjog39estQtPsA7_J6s94Q6yXDzvc7LvuVuhfGT7pHbW3Ih9jPo3Czs0bqS2QIqpcQT8bd45mIY3QjzKrTnOeMTdoAVkOZbWQoE8iZEYtVU_TQSTLFWIL3oY6.lu9G2oaWPArgmCFL_UkOXGrRUK6GB0IkJlwTAMb7b0zRMkvDTFqmn1.R59sN4CGKtRyqxV38i.OopreGVDu2AzItnxPYikZ09H13MZ5btCxFafwuSQhkZBCCfmUM30twMGp4WLPSfTGu9UvKQLb3uHLz1thvH9LprJqKRolHfbr2qTMp17oYiVVpFcR5ELMRRl6LbNuSgaNN3ABDY5t2JW3JiA2MPq1ZI309D9W3SrS.23u0SpL1kxpXeEVNKQV48XqgDkuheo4WN3_eKuI0HGaZXxOCuPQN._0.IiEFeZjKD459IHvlJF_J9vAytAEkXIIZWyVH6A4DkWUTVrrsi1TLv7tfQT1FPKYJW1YbUNepAzLka8bDzjRahna_Gwva3v7HaM.Kf.ZyNGQe_zCGLv8Fr6Np64o9FWj_pV.WMeczhIy2M_PFj8n1lo78whwAHmRG8kAkvRrr32Y.gIJ8SZbavQAMK26hFH_zKFJk0wQG5VUcvekOENIS62cYULWpR808RPDfYBbusuNS0wOa382boX_tBk1rm58Bir6n.zhlQ4wOVm5igiXskJSytirwtxZX16dbOJW.ixhGBaQ4qFSvR31pQ_56UDhsyLGyM7bU0lSBX8qieJFkqAg0_5DBrKXLknReib10KXZHFSxv0Bb0Mboz2ggmDE9SN0ZLaCV5NWtMA9sPPCTkCbdnDnTog4aJY9LYD9kaPcVL4mZMZEia81SkiePovlP7K.wVC4PGBOR7vHl1aWoGFOofNOdk8Nfvwcaz7RMZA6sIbBzLbiW71A.BNe41KX1SCpRrvCD4HJB8HBjV.7mXVrhsSOrn2mD0nfiqcyZcTNozzCC7nZUhSyUrfWVUZ3oqRILBufi6CMvgDP2UDRdn4VyHZ6AANY5mDGVoZ_9BC8FsVtrwQpdmIjaXw9_MAEPFoPnxJa6F0eh2PsGUz9rJ_tLYRGkhDNBdJJkmag3RXsBXVOH7aGsmhSrsphsoqFC.fFwU9dKtX3QukqYwByuK5eSqEzqzRKyPrHrrJNMFpdM.AlMthNgfVpavEgzrSTV_9pDRu7dRDt_AXEZOAk_C4XpT85I3cSqpEtpI1C_NYubARO9aGAGIwFo9PUKee2_QyHF.Q0bln6PVwixE5swRDcuo14b5mNE8eUqI_PBjM.ikY1BBGgol6DA0YxUtMe7mbG.4RV2dVDfjeff_s.Zt6wQP3J9L7JTZr0bYolomGGYwxc9W.TOcrY.Wlw6UFcMonKao7r1qmYD_FFexb_fp99LadDJGoLAQfD.J1y6i1PK2z_fXBu63uCVYgN3a_dwRA.7LM4wfNpibpdJQM0VpbMH.Ru0.2_JMd3c11vXpgV3Zu9hQeZIiWx_V4t00ciS9tkt50xjNWoKA4km7rohcheCbS8a3Eru2xUzLe61ilCkNL8Z3CEvzgvhDR0mEV4m3.3l31EPyQzKgBXx4YK54aYjtPRLq3NF0MMNPM9IYuLdS6P42CQaKuqtRQkO5vRbQ.RZVpF5HTCmKYr9ybTfutUKQDU3F7M2Myc6dlKg0yhwkmjx672IA_ZqE0Ib_FPvapcBmquV.dtQ05xmb9cEicXAkLIYqhfSMSlRj1ohHv5j4OKgA5ax9sIBW6r6S7F5mJiAppMUUcjP9y4EQu8lhQ",mdrd: "pOWLyoPGV4FmbQS.HLcQdt4V3QlNq4YmV9VtFhdylgs-1739783137-1.2.1.1-WktjAZiqjH2JjPN_vcesU71DWWWKwh4YbNf1qtix.8zsH7anNW2cMkoVwAKCRXz2No3NnFS4C8DQ83SPXy88XUeRsZNxDSg5yFuLayL0RmlBmYsEgUgofcfrcCWLxGirDwSQ9bIt5Qi4G5vHNwqKnJJqZV0uQfo_msvoDrv4YVIyCA6gjXeTNDDEarUvijHORV50eu327FFeO7i.f6yd.UHl..KnG_EK7rgjGOvBRDiNOOXm0FiB6XcrIcwk6DnKalSABzVs6PZH9Pk14TWpmWL1l5dWNZIdKmpdT.b5MOrpeR9EMNTThhRjTKmz33T5W58wp83MdXuxezCEUct9NwLvSnh3BI0jao8QxGDSyXbxJEIeMa2Bd.QicgImbyKC8OFTziaQ4z59gyO9iMS2kRWi.fb3YakBzOj6ktw66.sjjHbi0QZMNYa_eO9eWWzY09eacqj0K0hDf2ZhEkTsHYDiCUYfZ6U_oOYoAqPvmaHZ4l99aAMxoijZsvQVqDAnfVtVGGiWO1mwdIO6E7Vc4dCKsZnQaCy4SDft57TQB7kZ895GfyDSx533VPLtvaxlpuS.QNSMVIrAVs8QAyglmY1WucL2vNI_z2ugTyTnNJMg48UeIiEOqgA9rfsrZdqtmKMHhno5uUjMbE7EucsnMbEwLw_ytn_RfQV_7jAcqge8LAFkp4i28U7WzbZZegSCPhnKDn2_nT0wvS2MirlNokPDgOS8CF96XNeTMmNPgBje1bpauHbRXlrlpdMpKFLULKlIrtv5qV.SYYJYGlV1_0lXZva6D8aOYBrzH_B.NrMAr7V5xwLMsB.oM6PaIeS_U96SJA9vfLuXYsAiUY1hdvQx.UR5NbKA.eJXpFiuf08UZ0CiBxNpbxf7R0STGEHQLIINbd8Uv3TJDKt5BkOZWc0Luy9AHJiVyi_40ODJEdLYrzfA4Ql0a8.7COVTdrK_xHWoTfdwVh2G7SJBv7O4o2zlxYvNXbglGsG8BI_U43sm.jNhLfOWkC9TzhFEd43NS4ArwuseqRp9V.X0nJOiw8r79Wt93UWSO55byzyFZrIDSxIKc.xJYh4suiKt_JYPZ9jJ0FcucOyOzn9FiC7RcGf_HmlXSvhv0aZtuYFz7HmqDg3yDpZxsA0BypIwSVF14v1nTe70wOfFIGbsGM9qCcTWH2UG3hBg_h43jW004zl8fBWOCLz0p7er034fABQ1jX51zBHGr9UQifZIi51LWSO2ff3RMvWFFVIuXNFMvjz2uFck.ZK04prnqI2SAoOuvWNVs33I2DiLaxbXSglVKYUV39RMuthhW.Lw1hCoGNhPgb4AgIfp66VW7nDH5u2hXo4S53RB72.ROU97qmtMUot3oHYFug7hq5WIHsRu7tTe5d5bW9y9ah17.AZNNZBTnO5logsFh9RGhhkmGIdaQ2zN2Vj.zYYuL5WI7Ma1ak7BEsWww7vdmv_s0XZThdkfJX8NqnmuKEnak82C1nyG_yOI_QpQbZ2lRG4J5wLmy71Xs9oUg_9HxTLUwFmUBr3rAGVxLYZ0Dn1wGVgO4Hi.bTi4zMpcZ_EgC_Cu9upV8H2sgw8MhQPm7QTtCPkygIu.aW3bSipT98CB6ZdCbE2myqB84WtsWuOWD0x8DjIqvRjThESthMlJRqwwpNIjVeJFXl_BT4vKwm3lOU31cqb8PvMk8tLY.72y4qmtUBVwrmENJoiumGgHFgMe7B1nMxs.U75Dn6QIQj1oAimjSHOj6rdNh6D6SAcZ7pdqOraART0y2yz4FIogGzvJy7AiTBpQCF8oKNJ6GiBLhPNsXGWjtWShVh84dkFqxKZKEg2qf3JVDCwitwTn83cq9UE_m5rUQjE2oFWtsSAV7.f7T1M7Yn5LuIywkURtfuR4OlVLnwU.NJNR.dsGroYEA65YZa4Uqa7oKhFEcoJPjEnzlq0aU7ut3vjEetAHcpZ7kMWMqy8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91349de05ce137b5';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, "\/data-mining-big-data-database-and-data-system-conference-in-july-2025-in-washington?__cf_chl_rt_tk=PA4.9e939zti_P7HK8GR7DHwtZP53NHeaiDBC8h0kt4-1739783137-1.0.1.1-nlPyjdNU9skFZ5y.LcbqjYUN0YbQM3umowIHPkgLxkQ" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>