Data mining is to extract valid information from gigantic data sets and transform the information into potentially useful and ultimately understandable patterns for further usage. Not only does it include data processing and management, but it also involves the intelligence methods of machine learning, statistics and database systems, as Wikipedia defines. To help our audience master the technology of data science, we published 80 Best Data Science Books That Worth Reading and 88 Resourc...

A web scraper (also known as web crawler) is a tool or a piece of code that performs the process to extract data from web pages on the Internet. Various web scrapers have played an important role in the boom of big data and make it easy for people to scrape the data they need. Among various web scrapers, open-source web scrapers allow users to code based on their source code or framework, and fuel a massive part to help scrape in a fast, simple but extensive way. We will walk through the...

Web scraping has become a hot topic among people with the rising demand for big data. More and more people hunger for extracting data from multiple websites to help with their business development. Big data provides them with leading edge in their field, market trends, customer preferences, and competitors’ activities. So web scraping is more than gathering the data but an essential tactic for businesses. However, many challenges, such as blocking mechanisms, will rise when scaling up ...

1. Web Scraping is illegal Many people have false impressions about web scraping. It is because there are people don’t respect the great work on the internet and use it by stealing the content. Web scraping isn’t illegal by itself, yet the problem comes when people use it without the site owner’s permission and disregard of the ToS (Terms of Service). According to the report, 2% of online revenues can be lost due to the misuse of content through web scraping. Even though web scraping do...

If you have ever tried to log in to a website, there's a good chance that you have been asked to enter some characters which are not easy to read. The illegible characters are called CAPTCHA. They are a little bit annoying for users and often drive people who are using web scrapers crazy as they are hard to deal with by scraping bots. Today we are going to talk about 5 things you need to know about CAPTCHA to help you better bypass it for web scraping. ...

1. Actually, Facebook disallows any scraper, according to its robots.txt file. When planning to scrape a website, you should always check its robots.txt first. Robots.txt is a file used by websites to let "bots" know if or how the site should be scrapped or crawled and indexed. You could access the file by adding "/robots.txt" by the end of the link to your target website. ...

Content is most basic way to attract traffic - without a certain amount of quality content, neither Google nor visitors would be interested in your website because there is little value they can get browsing it. There are 2 main coding-free solutions for extracting content from websites to build your content base: choose one or a combination of themand have a try! ...

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