{"id":19019,"date":"2018-09-06T10:07:35","date_gmt":"2018-09-06T13:07:35","guid":{"rendered":"https:\/\/king.host\/blog\/?p=19019"},"modified":"2024-06-03T16:15:49","modified_gmt":"2024-06-03T19:15:49","slug":"o-que-sao-sistemas-de-recomendacao","status":"publish","type":"post","link":"https:\/\/king.host\/blog\/glossario\/o-que-sao-sistemas-de-recomendacao\/","title":{"rendered":"O que s\u00e3o Sistemas de Recomenda\u00e7\u00e3o? Veja exemplos"},"content":{"rendered":"<p>Sistemas de recomenda\u00e7\u00e3o s\u00e3o<strong> t\u00e9cnicas de software que fornecem sugest\u00f5es de itens a serem recomendados para um usu\u00e1rio<\/strong>.<\/p>\n<p>As sugest\u00f5es fornecidas, nos sistemas de recomenda\u00e7\u00e3o, visam <strong>ajudar os usu\u00e1rios em v\u00e1rios processos de tomada de decis\u00e3o<\/strong>, bem como, quais itens comprar, quais m\u00fasica escutar ou quais not\u00edcias ler.<\/p>\n<p>Sistemas de recomenda\u00e7\u00e3o provaram ser valiosos por <strong>ajudar os usu\u00e1rios a lidarem com a sobrecarga de informa\u00e7\u00f5es<\/strong> ao filtrarem elas e recomendarem o que seria de interesse aos mesmo.<\/p>\n<p>J\u00e1 para o com\u00e9rcio tornou-se uma das <strong>ferramentas<\/strong> <strong>mais<\/strong> <strong>poderosas e populares<\/strong> ao recomendar produtos ou servi\u00e7o de acordo os h\u00e1bitos dos usu\u00e1rios.<\/p>\n<p>Existem <strong>duas arquiteturas b\u00e1sicas<\/strong> no uso de recomenda\u00e7\u00e3o de sistemas, s\u00e3o elas:<\/p>\n<h2>1. Sistemas de recomenda\u00e7\u00e3o baseado em conte\u00fado<\/h2>\n<p>No sistema de recomenda\u00e7\u00e3o baseado em conte\u00fado o <strong>foco \u00e9 nas propriedades dos itens<\/strong>. A similaridade de um item recomendado ser\u00e1 <strong>medida pela similaridade com as propriedades do item<\/strong> que o usu\u00e1rio tenha adquirido ou pesquisado anteriormente.<\/p>\n<p>Como exemplo de uso do modelo <strong>baseado em conte\u00fado\/item<\/strong> temos:<\/p>\n<ul>\n<li>Produtos recomendados com base em sua compra\/pesquisa (<strong>E-commerces<\/strong>)<\/li>\n<li>Sons parecidos que come\u00e7am a tocar ap\u00f3s o t\u00e9rmino de sua playlist (<strong><a href=\"https:\/\/www.spotify.com\/br\/\" target=\"_blank\" rel=\"noopener\">Spotify<\/a><\/strong>)<\/li>\n<\/ul>\n<h2><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-19020 size-large\" src=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image2-780x446.jpg\" alt=\"\" width=\"780\" height=\"446\" title=\"\" srcset=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image2-780x446.jpg 780w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image2-300x172.jpg 300w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image2-768x439.jpg 768w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image2-400x229.jpg 400w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image2.jpg 900w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/h2>\n<h2>2. Sistemas de Recomenda\u00e7\u00e3o com Filtragem Colaborativa<\/h2>\n<p>No sistema de recomenda\u00e7\u00e3o baseado em filtragem colaborativa o <strong>foco \u00e9 na rela\u00e7\u00e3o entre usu\u00e1rios e itens<\/strong>.<\/p>\n<p>A similaridade dos itens \u00e9 determinada pela <strong>similaridade da avalia\u00e7\u00e3o<\/strong> dos mesmos pelos usu\u00e1rios que tenham avaliado os mesmos itens, ou seja, se os usu\u00e1rios tiverem avaliado itens com notas similares, provavelmente eles tenham gostos parecidos e aceitem recomenda\u00e7\u00f5es com base nesse crit\u00e9rio.<\/p>\n<p>Como exemplo de uso do modelo de <strong>filtragem colaborativa<\/strong> temos:<\/p>\n<ul>\n<li>Pessoas que voc\u00ea talvez conhe\u00e7a, recomenda\u00e7\u00e3o de amigos (<strong><a href=\"https:\/\/www.facebook.com\/\" target=\"_blank\" rel=\"noopener\">Facebook<\/a><\/strong>)<\/li>\n<li>Recomenda\u00e7\u00e3o de sons para escutar (<strong><a href=\"https:\/\/www.spotify.com\/br\/\" target=\"_blank\" rel=\"noopener\">Spotify<\/a><\/strong>)<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-19021 size-full\" src=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image3.jpg\" alt=\"\" width=\"450\" height=\"383\" title=\"\" srcset=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image3.jpg 450w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image3-300x255.jpg 300w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image3-400x340.jpg 400w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-19022 size-large\" src=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1-780x410.png\" alt=\"\" width=\"780\" height=\"410\" title=\"\" srcset=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1-780x410.png 780w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1-300x158.png 300w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1-768x403.png 768w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1-1024x538.png 1024w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1-400x210.png 400w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/09\/image1-1.png 1200w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<h2>Conex\u00e3o KingHost<\/h2>\n<p>O tema Sistemas de Recomenda\u00e7\u00e3o pode ser bastante interessante e est\u00e1 em <strong>bastante evid\u00eancia<\/strong>, como voc\u00eas podem perceber. Contudo, o conte\u00fado acima foi apenas uma <strong>breve introdu\u00e7\u00e3o<\/strong> do assunto.\u00a0No <strong><a href=\"https:\/\/www.conexaokinghost.com.br\/?utm_source=lab&amp;utm_medium=post&amp;utm_term=&amp;utm_content=sistemas-recomendacao&amp;utm_campaign=content-marketing\" target=\"_blank\" rel=\"noopener\">Conex\u00e3o KingHost<\/a><\/strong> deste ano, que rola nos dias 17 e 18 de outubro, online e totalmente gratuito, estarei ministrando uma palestra sobre <strong>como\u00a0construir um sistema de recomenda\u00e7\u00e3o utilizando Neo4J e Surprise<\/strong>.<\/p>\n<p>Al\u00e9m desta palestra, n\u00f3s da <a href=\"https:\/\/king.host\/\"><strong>KingHost<\/strong> <\/a>preparamos<strong> uma grade completinha de v\u00e1rios outros assuntos e temas que est\u00e3o em tend\u00eancia no momento<\/strong>. Voc\u00ea pode <strong>garantir a sua inscri\u00e7\u00e3o clicando no banner abaixo<\/strong>. Para mais novidades, fique ligado no <strong><a href=\"https:\/\/king.host\/blog\/\" target=\"_blank\" rel=\"noopener\">LAB, o Blog da KingHost<\/a><\/strong>.<\/p>\n<p>Te encontro l\u00e1! \ud83d\ude09<\/p>\n<p><a href=\"https:\/\/www.conexaokinghost.com.br\/?utm_source=lab&amp;utm_medium=post&amp;utm_term=&amp;utm_content=sistemas-recomendacao&amp;utm_campaign=content-marketing\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-18917 size-full\" src=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/08\/conexaokinghostadsdisplay-970x90.png\" alt=\"conex\u00e3o kinghost\" width=\"970\" height=\"90\" title=\"\" srcset=\"https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/08\/conexaokinghostadsdisplay-970x90.png 970w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/08\/conexaokinghostadsdisplay-970x90-300x28.png 300w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/08\/conexaokinghostadsdisplay-970x90-768x71.png 768w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/08\/conexaokinghostadsdisplay-970x90-780x72.png 780w, https:\/\/cdn-cms.king.host\/blog-hlg\/uploads\/2018\/08\/conexaokinghostadsdisplay-970x90-400x37.png 400w\" sizes=\"(max-width: 970px) 100vw, 970px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sistemas de recomenda\u00e7\u00e3o s\u00e3o t\u00e9cnicas de software que fornecem sugest\u00f5es de itens a serem recomendados para um usu\u00e1rio. As sugest\u00f5es fornecidas, nos sistemas de recomenda\u00e7\u00e3o, visam ajudar os usu\u00e1rios em v\u00e1rios processos de tomada de decis\u00e3o, bem como, quais itens comprar, quais m\u00fasica escutar ou quais not\u00edcias ler. Sistemas de recomenda\u00e7\u00e3o provaram ser valiosos por [&hellip;]<\/p>\n","protected":false},"author":315,"featured_media":19023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1308],"tags":[1363],"class_list":["post-19019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossario","tag-tecnologia"],"_links":{"self":[{"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/posts\/19019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/users\/315"}],"replies":[{"embeddable":true,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/comments?post=19019"}],"version-history":[{"count":7,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/posts\/19019\/revisions"}],"predecessor-version":[{"id":35747,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/posts\/19019\/revisions\/35747"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/media\/19023"}],"wp:attachment":[{"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/media?parent=19019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/categories?post=19019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/king.host\/blog\/wp-json\/wp\/v2\/tags?post=19019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}