{"id":198,"date":"2018-07-24T17:25:49","date_gmt":"2018-07-24T17:25:49","guid":{"rendered":"http:\/\/softventure.pt\/wordpress\/?p=198"},"modified":"2019-05-27T11:44:40","modified_gmt":"2019-05-27T11:44:40","slug":"o-que-e-e-para-que-serve-o-machine-learning","status":"publish","type":"post","link":"https:\/\/softventure.pt\/pt-pt\/2018\/07\/24\/o-que-e-e-para-que-serve-o-machine-learning\/","title":{"rendered":"O que \u00e9 e para que serve o Machine Learning?"},"content":{"rendered":"<p><strong>Machine Learning<\/strong> \u00e9 uma categoria de algoritmo que permite \u00e0s aplica\u00e7\u00f5es de software serem mais precisas nas suas previs\u00f5es sem necessidade de programa\u00e7\u00e3o pr\u00e9via. As premissas b\u00e1sicas por tr\u00e1s do <a href=\"http:\/\/softventure.pt\/wordpress\/servicos\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Machine Learning<\/strong><\/a> passam pela cria\u00e7\u00e3o de algoritmos que possam receber dados e utilizar an\u00e1lises estat\u00edsticas para prever resultados, atualizado essas previs\u00f5es consoante os dados novos que v\u00e3o recebendo.<\/p>\n<p>O processo exige a pesquisa de dados na procura de padr\u00f5es para depois ajustar os programas, de acordo com os inputs recebidos. Um <a href=\"http:\/\/softventure.pt\/wordpress\/\" target=\"_blank\" rel=\"noopener noreferrer\">bom exemplo do <strong>Machine Learning<\/strong><\/a> s\u00e3o as compras na Internet. Quem n\u00e3o se deparou j\u00e1 com an\u00fancios \u00e0 medida e ajustados \u00e0s pesquisas que efetuamos quando compramos online?<\/p>\n<p>&nbsp;<\/p>\n<h2>Como funciona o Machine Learning?<\/h2>\n<p>Isto acontece porque os motores de recomenda\u00e7\u00e3o usam o <strong>Machine Learning<\/strong> para personalizar os an\u00fancios online em tempo real. Al\u00e9m do <a href=\"https:\/\/marketeer.pt\/2018\/07\/23\/o-trabalho-do-futuro-marketing-digital\/\" target=\"_blank\" rel=\"noopener noreferrer\">marketing<\/a> personalizado, existem outros exemplos de utiliza\u00e7\u00e3o do <strong>Machine Learning<\/strong> bastante comuns. Muitos deles est\u00e3o relacionados com dete\u00e7\u00e3o de fraude, filtros de spam, dete\u00e7\u00e3o de amea\u00e7as inform\u00e1ticas ou feeds de not\u00edcias.<\/p>\n<p>Os algoritmos do <strong>Machine Learning<\/strong> s\u00e3o normalmente divididos em algoritmos com e sem supervis\u00e3o. Os algoritmos que t\u00eam supervis\u00e3o necessitam que <a href=\"http:\/\/softventure.pt\/wordpress\/2018\/05\/16\/mais-de-500-empregos-a-espera-de-portugueses-com-formacao-em-ti\/\" target=\"_blank\" rel=\"noopener noreferrer\">um cientista de dados ou um analista de dados<\/a> com compet\u00eancias de <strong>Machine Learning<\/strong> forne\u00e7a os inputs e os resultados pretendidos, fornecendo ainda feed-back sobre a precis\u00e3o das previs\u00f5es.<\/p>\n<p>&nbsp;<\/p>\n<h2>J\u00e1 ouviu falar em redes neurais?<\/h2>\n<p>Os algoritmos sem supervis\u00e3o, por sua vez, n\u00e3o precisam deste tipo de forma\u00e7\u00e3o. Em vez disso, usam uma abordagem interativa, denominada deep learning, para rever os dados e chegar \u00e0s suas conclus\u00f5es. Estes algoritmos, tamb\u00e9m chamados redes neurais, s\u00e3o utilizados para processos mais complexos, nomeadamente o reconhecimento de imagens, a sele\u00e7\u00e3o natural de idiomas e a passagem de voz para texto.<\/p>\n<p>Estas redes neurais funcionam atrav\u00e9s da combina\u00e7\u00e3o entre milh\u00f5es de exemplos de dados e correla\u00e7\u00f5es de identifica\u00e7\u00f5es autom\u00e1ticas entre v\u00e1rias vari\u00e1veis. Uma vez formatado, o algoritmo recorre ao seu banco de associa\u00e7\u00f5es para interpretar dados novos. Estes algoritmos s\u00e3o mais recentes, uma vez que requerem quantidades massivas de dados.<\/p>\n<p>&nbsp;<\/p>\n<h3>Para saber mais sobre Machine Learning, contate-nos<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Machine Learning \u00e9 uma categoria de algoritmo que permite \u00e0s aplica\u00e7\u00f5es de software serem mais precisas nas suas previs\u00f5es sem necessidade de programa\u00e7\u00e3o pr\u00e9via. As premissas b\u00e1sicas por tr\u00e1s do Machine Learning passam pela cria\u00e7\u00e3o de algoritmos que possam receber dados e utilizar an\u00e1lises estat\u00edsticas para prever resultados, atualizado essas previs\u00f5es consoante os dados novos que v\u00e3o recebendo. O processo exige a pesquisa de dados na procura de padr\u00f5es para&hellip;<\/p>\n","protected":false},"author":1,"featured_media":199,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[87,121,111],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 e para que serve o Machine Learning? | Softventure<\/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:\/\/softventure.pt\/pt-pt\/2018\/07\/24\/o-que-e-e-para-que-serve-o-machine-learning\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 e para que serve o Machine Learning? | Softventure\" \/>\n<meta property=\"og:description\" content=\"Machine Learning \u00e9 uma categoria de algoritmo que permite \u00e0s aplica\u00e7\u00f5es de software serem mais precisas nas suas previs\u00f5es sem necessidade de programa\u00e7\u00e3o pr\u00e9via. As premissas b\u00e1sicas por tr\u00e1s do Machine Learning passam pela cria\u00e7\u00e3o de algoritmos que possam receber dados e utilizar an\u00e1lises estat\u00edsticas para prever resultados, atualizado essas previs\u00f5es consoante os dados novos que v\u00e3o recebendo. 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