23.05.2018
Semalt Expert: A Highly E cient Web Content Extractor
To understand how a web content extractor works, you need to nd out what a web content is. In simple terms, web content is anything you see on a web page. These are images, audio les, videos and texts of course. Sometimes, you may come across the content that is properly arranged and easy to extract and sometimes you may face a web page which content is very dif cult to copy and paste manually. And oftentimes, the problem is not the content itself, but the high volume of web pages you have to scrape. For instance, do you think anyone can manually copy content from hundreds of pages? What if it has to be done on a daily basis? This is where a web content extractor comes in. A web content extractor is a software, tool, program, or application that can be used to scrape data from structured, semi-structured, or unstructured web pages. Having de ned what a web content extractor is, it is also necessary to de ne in simple terms what web data extraction is. In a nutshell, web data extraction is the process of using a tool, software, or script to crawl web pages and extract speci ed data from them. This tool can also be used to present the scraped data in a structured format. The problem here is that only a very few people can develop a web scraping program. This is what gave birth to WebSundew web data extractor.
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