April 2016
Intermediate to advanced
336 pages
7h 21m
Portuguese (Portugal, Brazil)
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CAPÍTULO 20
Processamento de Linguagem Natural
Eles foram a um grande banquete de linguagens e roubaram as sobras.
—William Shakespeare
Processamento de Linguagem Natural (Natural Language Processing — NLP) refere-se a técnicas computacionais envolvendo linguagem. É um campo amplo, mas veremos algumas técnicas simples e outras não.
Nuvens de Palavras
No Capítulo 1, nós computamos contagem de palavras de interesse de usuários. Uma técnica para visualizar e contar palavras é nuvem de palavras, que é artisticamente desenhar as palavras com tamanhos proporcionais às suas contagens.
No geral, os cientistas de dados não penam muito em nuvens de palavras, em grande parte porque a colocação das palavras não significa nada além de “este é um espaço onde ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.