Deep Searching is a term that refers to the ability to search Internet databases and directories. Most Internet search engines are not able to search these. This is why it is estimated that traditional search engines can only find a third to a half of the information on the Internet. It is now estimated that one million pages are added to the Internet daily. Below are Internet search engines that claim to be able to delve deeper into the Internet. More background information can be found searching on the term "invisible web."

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Beaucoup.com
It addition to being a traditional search engine, it is able to search more than 2500 databases and directories.

BigHub.com
This searches multiple search engines, Web directories, and news databases with one summary of results.

CompletePlanet.com
This has a free Deep Web search site that will search 30,000 of the 100,000 Deep Web database sites. There is also a subscription search engine that is more powerful, called Lexibot.

Direct Search
Links at this site find information not easily found from traditional search engines.

Fossick.com - the WebSearch Alliance Directory
This is a selective collection of more than 3,000 specialist search engines and topical guides. There are thousands of search engines on the Internet. Fossick aims to help users locate the best search tools for their search needs.

Geniusfind
A directory of thousands of search engines, databases, and archives organized into convenient categories and subcategories.

INFOMINE
This has a multiple database search option that allows users to search subject specific databases and full-text journals in academic disciplines, K-12, Internet, and other useful categories.

IncyWincy
The invisable web search engine

InvisableWeb.com
A comprehensive site that allows users to locate catalogs, achieves, government, business and scholarly databases and much more. This site has access to more than 10,000 databases.

Libraryspot.com
Links to more than 2,500 libraries around the world with additional links.

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