{"id":2582,"date":"2021-01-26T20:05:49","date_gmt":"2021-01-26T20:05:49","guid":{"rendered":"https:\/\/thenextweb.com\/?p=1335629"},"modified":"2021-01-26T20:05:49","modified_gmt":"2021-01-26T20:05:49","slug":"heres-how-ai-determines-what-you-see-on-facebook-news","status":"publish","type":"post","link":"https:\/\/www.londonchiropracter.com\/?p=2582","title":{"rendered":"Here\u2019s how AI determines what you see on Facebook News"},"content":{"rendered":"\n<div><img decoding=\"async\" src=\"https:\/\/img-cdn.tnwcdn.com\/image\/neural?filter_last=1&amp;fit=1280%2C640&amp;url=https%3A%2F%2Fcdn0.tnwcdn.com%2Fwp-content%2Fblogs.dir%2F1%2Ffiles%2F2021%2F01%2FScreenshot-2021-01-26-at-18.41.50.png&amp;signature=0f94dd53ce0b6a3bc2ae4f3e88a79494\" class=\"ff-og-image-inserted\"><\/div>\n<p>Facebook News today rolled out across the UK, and the social network marked the launch by&nbsp;revealing&nbsp;new details on how algorithms power the feature.<\/p>\n<p>In <a href=\"https:\/\/tech.fb.com\/news-feed-ranking\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">a blog post<\/a>, Facebook said the ranking system isn\u2019t comprised of a single algorithm. Instead, it uses multiple layers of machine learning models to predict what a user wants to see.<\/p>\n<p>Facebook explained how this would work&nbsp;for a fictional user called&nbsp;Juan:<\/p>\n<blockquote readability=\"12\">\n<p><span>Since Juan\u2019s login yesterday, his friend Wei posted a photo of his cocker spaniel. Another friend, Saanvi, posted a video from her morning run. His favorite Page published an interesting article about the best way to view the Milky Way at night, while his favorite cooking Group posted four new sourdough recipes.&nbsp;<\/span><span>All this content is likely to be relevant or interesting to Juan because he has chosen to follow the people or Pages sharing it.&nbsp;<\/span><\/p>\n<\/blockquote>\n<p>Machine learning models then predict the probability that Juan will engage will all this content.<\/p>\n<p><em>[Read: <a href=\"https:\/\/thenextweb.com\/artificial-intelligence\/2021\/01\/21\/how-this-company-leveraged-ai-to-become-the-netflix-of-finland\/\">How this company leveraged AI to become the Netflix of Finland<\/a>]<\/em><\/p>\n<p>The ranking system first collects candidate posts for each&nbsp;user, including those shared by their&nbsp;friends, Groups, or Pages since their last login.<\/p>\n<p>It then gives each post a score based on a variety of factors, such as who shared the content and how it matches with what the user generally interacts with.<\/p>\n<p>Next, a lightweight model narrows the pool of candidates down to a shortlist. This allows more powerful neural networks to give each remaining post a score that determines the order in which they\u2019re placed.<\/p>\n<p>Finally, the system adds contextual features like diversity rules to ensure that the News Feed has a variety of content.<\/p>\n<p>The entire process is complete in the time it takes to open the Facebook app.<\/p>\n<p>If you want more details on how the ranking system works, you can check out <a href=\"https:\/\/engineering.fb.com\/2021\/01\/26\/ml-applications\/news-feed-ranking\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">a more technical explainer<\/a> on Facebook\u2019s Engineering blog.<\/p>\n<p class=\"c-post-pubDate\"> Published January 26, 2021 \u2014 20:05 UTC <\/p>\n<p> <a href=\"https:\/\/thenextweb.com\/neural\/2021\/01\/26\/heres-how-ai-determines-what-you-see-on-facebook-news\/\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Facebook News today rolled out across the UK, and the social network marked the launch by&nbsp;revealing&nbsp;new details on how algorithms power the feature. In a blog post, Facebook said the ranking system&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2583,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/2582"}],"collection":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2582"}],"version-history":[{"count":0,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/2582\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/media\/2583"}],"wp:attachment":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}