{"id":14557,"date":"2025-08-12T09:47:23","date_gmt":"2025-08-12T13:47:23","guid":{"rendered":"https:\/\/www.yorku.ca\/dighr\/?p=14557"},"modified":"2025-08-12T09:47:25","modified_gmt":"2025-08-12T13:47:25","slug":"hot-off-the-press-how-to-teach-ai-multi-objective-water-quality-modelling-for-emergencies","status":"publish","type":"post","link":"https:\/\/www.yorku.ca\/dighr\/hot-off-the-press-how-to-teach-ai-multi-objective-water-quality-modelling-for-emergencies\/","title":{"rendered":"Hot Off The Press \u2014 How to Teach AI: Multi-Objective Water Quality Modelling for Emergencies"},"content":{"rendered":"\n<p>The Humanitarian Water Engineering Lab is happy to announce a new publication entitled \u201c<strong>Training for the test: Using multi-objective training to improve ANN ensemble forecasts of household residual chlorine in emergencies<\/strong>\u201d in the journal PLOS Water. The paper co-authored by <strong>Michael De Santi, Syed Imran Ali<\/strong>, Jean-Fran\u00e7ois Fesselet, <strong>Matthew Arnold<\/strong>, Dawn Taylor, and <strong>Usman Khan<\/strong> presents novel multi-objective training approaches for machine learning models of chlorine decay in humanitarian settings.<\/p>\n\n\n\n<p>In emergency settings, residual chlorine, a common disinfectant, provides critical protection against <a href=\"https:\/\/www.yorku.ca\/dighr\/recap-chlorine-contamination-and-governance-examining-water-quality-challenges-in-lusaka-zambia-with-hillary-birch\/\">recontamination of household-stored drinking water<\/a> by pathogens like cholera and hepatitis E, but ensuring sufficient residual chlorine is present can be very challenging because chlorine decays over time. Water system operators need to set chlorination targets that ensure water is protected up to the time when water is consumed. Machine learning (ML) modelling can help operators to set these targets by predicting future decay, but most conventional ML models fail to accurately capture the variability of water quality changes in humanitarian settings, often under-predicting recontamination risks. As part of the <strong>Safe Water Optimization Tool<\/strong> project, this research, led by Michael De Santi, presents a new way of teaching ML models to learn this variability, improving the reliability of chlorine decay forecasts, enabling operators to set better water quality targets in humanitarian response settings.<\/p>\n\n\n\n<p>With the emergence of AI and ML in drinking water and humanitarian fields, this paper also highlights the importance of careful design of ML models to ensure that they are fit for purpose, especially in sensitive applications like water treatment.<\/p>\n\n\n\n<p>Find the full article here: \"<strong><a href=\"https:\/\/journals.plos.org\/water\/article?id=10.1371\/journal.pwat.0000307\">Training for the test: Using multi-objective training to improve ANN ensemble forecasts of household residual chlorine in emergencies<\/a><\/strong>\"<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>De Santi, Michael, Ali, Syed Imran<\/strong>, Fesselet, J., <strong>Arnold, Matthew<\/strong>, Taylor, D., &amp; <strong>Khan, Usman T.<\/strong> (2025). Training for the test: Using multi-objective training to improve ANN ensemble forecasts of household residual chlorine in emergencies. <em>PLOS Water<\/em>, <em>4<\/em>(4), e0000307. <a href=\"https:\/\/doi.org\/10.1371\/journal.pwat.0000307\">https:\/\/doi.org\/10.1371\/journal.pwat.0000307<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Humanitarian Water Engineering Lab is happy to announce a new publication entitled \u201cTraining for the test: Using multi-objective training to improve ANN ensemble forecasts of household residual chlorine in emergencies\u201d in the journal PLOS Water. The paper co-authored by Michael De Santi, Syed Imran Ali, Jean-Fran\u00e7ois Fesselet, Matthew Arnold, Dawn Taylor, and Usman Khan [&hellip;]<\/p>\n","protected":false},"author":2403,"featured_media":14558,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[364,27],"tags":[],"research-theme":[19],"stage":[44],"relationship":[63],"class_list":["post-14557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hotp","category-news","research-theme-foresighting","stage-active","relationship-internal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hot Off The Press \u2014 How to Teach AI: Multi-Objective Water Quality Modelling for Emergencies - Dahdaleh Institute for Global Health Research<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yorku.ca\/dighr\/hot-off-the-press-how-to-teach-ai-multi-objective-water-quality-modelling-for-emergencies\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hot Off The Press \u2014 How to Teach AI: Multi-Objective Water Quality Modelling for Emergencies - Dahdaleh Institute for Global Health Research\" \/>\n<meta property=\"og:description\" content=\"The Humanitarian Water Engineering Lab is happy to announce a new publication entitled \u201cTraining for the test: Using multi-objective training to improve ANN ensemble forecasts of household residual chlorine in emergencies\u201d in the journal PLOS Water. 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database<\/a>).\u00a0<\/p>\r\n<p>&nbsp;<\/p>","parent":0,"count":44,"filter":"raw","cat_ID":364,"category_count":44,"category_description":"<p>The Dahdaleh Institute for Global Health Research's knowledge exchange activities include publications shared below (<a href=\"https:\/\/airtable.com\/appzThRlByuXQOIaQ\/shrfiVvgBIHX2t2j2\" target=\"_blank\" rel=\"noopener\">and in this database<\/a>).\u00a0<\/p>\r\n<p>&nbsp;<\/p>","cat_name":"Hot Off The Press","category_nicename":"hotp","category_parent":0},{"term_id":27,"name":"News","slug":"news","term_group":0,"term_taxonomy_id":27,"taxonomy":"category","description":"The Dahdaleh Institute for Global Health Research uses critical problem-solving approaches to pursue effectiveness, equity, and excellence in global health. 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