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="390"></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: 'managed',cRay: '91a31ff278a28350',cH: 't.t5RYaLhBt5ynKYNYwDl4ThAt4klibw4d47x_p9YtU-1740941898-1.2.1.1-Lbeet0gvSKDXAe1idGebrf4LG50BV4DZhn0JVijm_Yf5mqMPa2ELb2yCHDXmpJRQ',cUPMDTk: "\/search?q=object-basedclassification.&__cf_chl_tk=J9kAFht1.rCuxcNrbfrAHGh9iwtsskD6x5vkfJCMmgE-1740941898-1.0.1.1-_.De.jhGbQ3TADVghk.HQf8wcE2iqcGOWY4a0RLqkf4",cFPWv: 'b',cITimeS: '1740941898',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=object-basedclassification.&__cf_chl_f_tk=J9kAFht1.rCuxcNrbfrAHGh9iwtsskD6x5vkfJCMmgE-1740941898-1.0.1.1-_.De.jhGbQ3TADVghk.HQf8wcE2iqcGOWY4a0RLqkf4",md: "fXztIb7.xXIAcWy_nukRyRjWAc_v9YlXJw3Y6pnnLpU-1740941898-1.2.1.1-gCoL82LhEefL9j.2qfsYbHTrEbWzW5wD3Y1ktehM9nbtxVW09G8OmZj036GVdBR5nPchuwDSZdcOwdiZYk1bzw9YeZDfLZQqxafe4x8tfXK8GWVGhzSz1N0VRCw4QS__gk71ek_mvX4dzJzTrygqEeJGOoXXlLhhUJMQvPGXKuRMX2cMAxx9dNQ422hdt5SFF.4YcqzASl3.AY4rYzD6asQPF63Snd3yBZIRgN3lVtEJjHScGjxePOeRVs15qSIrTMjGOvxoR6UWtlOu8CmTflhYDrphEoouMC_pSCp_l3WYSia_FurZMgu2XXvqrk5AR2i2PCy8iO.yjhFD1E8GwST6_NhwnwjlWt0gVURAr_GQL9Chz8lJXVTL25hbB89DyoNJY8mIog80JHBeNONy6j90jlHCArARHtD0mU4XDNqQD_hSTvHxd50wZ2yVQULfzWsQQvOeNo4946uTipTqGSer.S9HGSnME.lHPIO69cTtBmq8kRXSPKKZ7_sOcocwG2ZP62HaBJWv74qsS0RRAo3LXCGGfQ0tF5e7RoXCvYDAcKMidalA15iRsCAKReRFM.TgpCJmE02MYdmADWOfHQjjMUEB_MMqhRZ_ZbZE25vV.qC00Wi3eGkHIO8u1GqeC71880ivPdk2oOIUfhdk3XbbT1ZP4M7brPJCwc8VW.QI9V43gJoToeSn0I3BLDSyNmbf34Us.i.jt9VPvkV6rtIEGFfrNI3JRb.gz1ea9WOcCUVDxd7T3b4X7nmxVli.uX2CTv16yZ1LDITmejkw4qw.EC3GZDSqGe5Ne50JxEg7M00DEaskUMLuhmg9XhCAUlKV8.R9TvNrl8wNnqGVbmJZBkcHBE9XzCGcglv0KYpEKmCystlPe0fmjMlxnt55D28ddcSooiKrmqzHw5yR1O12y.tJA0G0B03dy9kg8hkZoPs054dDGcjKk3Q.96Ex0ocM7HEIYXu.21BLb_jo3W8sSirD.sQ9XWF2qmwC9P3yeYfpUvpjlSW.F0kE.8BAR8YXVLOTxlwYYCY8DV6L5RfDyyiy1jpp_Tu.oXa3eny5DsOnbYfOATTqbxksjCOBvha2X94V5OuBf.VRvX9D0GPHqe6CPX9eMuS7ycjaRGfYy3ukJ7PalaO9Onj8EER6YFSUdR7aPcYot22ujUdmjJgcThixsSt4cXjqnmIBLh0U9rIJEpoD21nddZI1N_AQV84MF70TgNW9.3JqZDFx5oYEVkgmL1L3vzdO7XTdL_N9K08osFHfZHhkycGYGsop5PWVga4wkIXhJPWIWhh2_w",mdrd: "WSxhyv3wIgX3RqTjZktsnRxN8k75Rswy7UP2BFmujao-1740941898-1.2.1.1-RUfuyOPo3BK8K0GW1t_lDpxJXV_yHXddbQM9ewCXrcyXvGwocyhkvJCVXbNTzsxQyW_KXMnm3xhmTeNNwgU0SNZoItTI1QtT_zHnr7ikymnWBvDEnYyRoELqZsIr0m1scN1FPgq5hcLthRuw_n892esLW7F13T.sksWOhp4z3Q0uThKOzw211LyNedUEH56bXmS9oNLTa4k1OOOgbqnhxtJhLQImdQls4R7ZzMkZJN4gMKDar6sDd_5o.3ptyKwai_u0O6YuPzH_emTBT.BSEgb1hIpGDYewWOnUJfuOseeJV_z_UzB2kmkk12yrvc.9OMWEwK6jNnCI1g7NN.8kJqm9WjdaJ3A6dAvW3X0cqkKAVXK65Nw5khZCAhVhOHeqUH9wNv6mW6nRL0vEc2QDpqitrl0q7RDzXfmXvmRnmKbEH5iHCDH2FoLrwlklz2fita68cSdGRWtNWRv0b73jhcTNu6e260O0Ux.CCawMZ0KHJ3Scz.BQBMTBaK6Wkleu.eEh8syU.5KEI72eODrECyw3zIcFtMozJCeMO.P2aPYbJPDty_RmlSgtt85jOcnldiyUipFyRIyxXapEooUQTYIvIIrPL_YNEhEptH3BnCgSVoy3FUXR.1aip7VUyioSdSEWJs7UzXEcgxNozPr2CM_19itd7ApKYHyFxJCcjmK_05UHJQ1ez3f_YMBAlihUnjcRWkwrbnkbFm61gu4b9BvFZM3HrIrgxj4.rgp1mkzyXbET.8hA2NSeDXtZ6UmJ80W5X8ngbLQVxkVy_z02x2MG8rPDO3vtCfXwWQS0g28u9uh21kHxLL7KCb41Tx6aCOAaBcMxOBBt3YAUsUyMwExa8RvwmG499xPdZiSOBjTroIV_Q2q4uR1Vsd33koFXK9RA7Us4W10.WHQCALO2SLZMvw5gVjxry62Fz9CTDtEOeWUaisRexn2Qx_jzB8Q.tKoB1fAIgseiUg1w3kvfjSWyxnXKtJYxlM4lECXr8czsl_cPUDau.wZkeDs0g77AyZuMoKVmbx_9Hy4jrHGmgLbZz3LgVljW2S8AT6xzWRbHuCzIe_7puO3zY_sxuFTRzzfh43jaCoTddALlgPiR4N_r.tinCAyr77tyFKJ6Nrl0wY57OsUdNODzwSbKEfIijlTTL.X7BYw38sIzqWzyIVrwliDClWAA._MOoA5rHnVv_Xp6ai6fUzF3ilcd9Snm5n8tLNcMNKwpJX5yNyI584C1doqsv6qyRsD90R2PylvBnxeWBZLl9CE_2SHfTtYb4MbdcB5talcgntByIrT0hz13Wnp51vqLh1PRIGvfAB_kZGPs3pR.yeJ2Vtv75Do9VAR0hT8xzFC8p82FOl_Tiul7MpW7nTuImv2eZwr5bAgxkkrC0XH8ZmW1.pAEB3jvmorp.z7NhqZr6njFO36lmn1.APy04wEbLMiqdEiElvw.vvjxOZvy7WNf4XsCdYvvrohXa2EZjN_uPdEFV_G4VyTu5yDkwmXn9kY_6RuJSy307WUykybMV5EKh1VJxPIHEwJ72ug4DsDuDwniuA37lIEls9MPZQWSVxEqbZS7g9wGYd1aiyoCEpD2f5QjJ0dNpyVmG6xZkLx_6YTCnutM.eYLJvBNhJLOk.OL0hMQXW2eps2EENJRlpUiycIIMHLM2AhkOk3UjYuwOdeVBkLLsXXysxHiM2jr3.q0eXQ2ibbhVqXxWUxgLS.Skp43SmoUuysNaMhsyYILjGOo1uWxuhVpDxdjmh4_iuN1wUeVeNAROoIbvUPDVpy_5ThxI7Osv8AjtrSElZiWxR78thz2WMKCywWTOEwWSfkeurmY_RqDBu4e1hBERaPGDvKPwXHEBQrcUA7FsGCJDyL2l1W_eUYXm_IN45YIkQeBh6ABucp4YQkVwOXbSxB0XNJYrETKlhIe5pgowpZqSJE6D8PmH2M5TSxaXT2sH7fKbgJkMoVdy7nAH9qZ3Cpnmcvo5lnk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91a31ff278a28350';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, "\/search?q=object-basedclassification.&__cf_chl_rt_tk=J9kAFht1.rCuxcNrbfrAHGh9iwtsskD6x5vkfJCMmgE-1740941898-1.0.1.1-_.De.jhGbQ3TADVghk.HQf8wcE2iqcGOWY4a0RLqkf4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>