Surfacing Hidden Values through Deep Web

Deep web search engine is to explore the hidden internet. There is a vast section of the internet which is hidden and not accessible through regular search engines and web browsers. This part of Internet is known as the Deep Web, and it is about 550 times the size of the Web we know. Deep Web is referred to the data which are not indexed by any standard search engine such as Google or Yahoo.

The 'Deep Web' refers to all web pages that search engines cannot find, such as user databases, registration-required web forums, web mail pages, and pages behind paywalls.