Getting Structured Data from the Internet: Running Web Crawlers/Scrapers on a Big Data Production ScaleКНИГИ » ПРОГРАММИНГ
Название: Getting Structured Data from the Internet: Running Web Crawlers/Scrapers on a Big Data Production Scale Автор: Jay M. Patel Издательство: Apress Год: 2020 Формат: PDF Страниц: 416 Размер: 10 Mb Язык: English
Utilize web scraping at scale to quickly get unlimited amounts of free data available on the web into a structured format. This book teaches you to use Python scripts to crawl through websites at scale and scrape data from HTML and javascript-enabled pages and convert it into structured data formats such as CSV, Excel, JSON, or load it into a SQL database of your choice. This book goes beyond the basics of web scraping and covers advanced topics such as natural language processing (NLP) and text analytics to extract names of people, places, email addresses, contact details, etc., from a page at production scale using distributed big data techniques on an Amazon Web Services (AWS)-based cloud infrastructure. It book covers developing a robust data processing and ingestion pipeline on the Common Crawl corpus, containing petabytes of data publicly available and a web crawl data set available on AWS's registry of open data. Getting Structured Data from the Internet also includes a step-by-step tutorial on deploying your own crawlers using a production web scraping framework (such as Scrapy) and dealing with real-world issues (such as breaking Captcha, proxy IP rotation, and more). Code used in the book is provided to help you understand the concepts in practice and write your own web crawler to power your business ideas.
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Getting Structured Data from the Internet: Running Web Crawlers/Scrapers on a Big Data Production Scale 
