Deep
Web Search Tools
Recent calculated estimates
by Completeplanet.com estimate the surface web at 1-2 billion documents,
while the deep web is estimated to be a mind boggling 550 billion documents.
So, is there a way to access the deep web?
Is there some new type of web searching technology that can access
the deep web? Yes, there is.
The following are some of the sites that have been created to access the
vast number of online databases or directly search them.
Deep Web
Facts
http://www.thebighub.com/
TheBigHub The Big Hub maintains
an index of over 3,000 subject specific searchable databases in over 300
categories.
http://www.beaucoup.com/ - Beaucoup.com This search site has links to over 2500
databases and directories.
http://www.fossick.com/ Fossick.com.
This site is also know as the WebSearch Alliance Directory. It is a selective collection of over 3,000
specialist search engines and topical guides. There are thousands of search
engines on the Internet. Fossick.com
aims to help users locate the best search tools for their search needs,
resulting in faster and more accurate search results.
http://www.invisible-web.net/ Invisible Web Directory This selective directory of more than
1,000 specialized databases is the online companion to The Invisible Web:
Finding Hidden Internet Resources Search Engines Can't See by Chris Sherman
and Gary Price. Good descriptions, and direct links to search form pages.
The directory lacks a search function.
http://www.libraryspot.com/ Libraryspot.com.
This site contains links to more than 2500 libraries around the world.
Search Engine
Directory Sites
The following listing may also be helpful
to search the deep web as many of the specialized search engines may include
sites that have dynamic databases as part of their content
http://www.freeality.com/ Freeality Internet
Search This is a top-notch
search engine guide that focuses on popular and general subjects.
http://www.internets.com/ Internets
This site has the largest filtered collection of useful search engines
and newswires anywhere on the World Wide Web.
http://www.searchbug.com/ SearchBug
This site has over 500 search engines organized into 15 categories.
http://www.searchenginecolossus.com/
Search Engine Colossus This comprehensive site has access to search engines
from over 100 countries and a small selection of specialized search engines
in 15 broad subject categories and has a few search engines covering specific
cities.
http://www.searchengineguide.com/
Search Engine Guide This site
has over 1000 search engines organized into 25 categories. This site has exceptional good collections
from Singapore, Japan, and China. It also has collections from many of the
smaller Eastern countries in Europe.
http://www.searchenginewatch.com/
Search Engine Watch This site
contains great information about search engines and metacrawlers and helpful
tutorials.
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