The Internet is becoming the largest source of information gathering. Various search engines are available through the World Wide Web that helps in finding any information easily and quickly.
Every business needs data that is relevant to their decision-making. One of the services that are booming very fast is data collection services. Service data mining helps in collecting relevant data that are indispensable for your business or personal use. They use web scraping tools for online data extraction.
Image Source: Google
Traditionally, data collection was done manually which is not very feasible in the case of bulk data needs. Although people still use manual copying and pasting data from a web page or download a complete Web site that is a sheer waste of time and effort.
Instead, the automatic data collection techniques are more reliable and convenient. There are web crawling techniques friction through thousands of web pages on a particular topic and also incorporate this information into a database, XML files, CSV files, or other custom format for future reference.
Some web data extraction process most commonly used is a site that provides information about the competitor's price and feature data; Spider is a government portal that helps in extracting the names of the people for the investigation; sites that have a variety of images downloaded.