The Invisible Web, Opaque Web, or Deep Web includes information that
usually can not be found by a search engine. Best ways to access this
information are through Database.
Databases: Millions of documents exist in thousands of databases,
but before a search for the document can begin, researchers must choose
the appropriate database to search through. Searching for a document is
a two step process.
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Bright Planet
- Deep
Research
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Deep Research - The DQM2 can reach into the most specific or
obscure corners of the Internet to find content you know is out
there, but have not yet been able to find
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Invisible Web.net
www.invisible-web.net/
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This site is a companion to The Invisible Web: Finding Hidden
Internet Resources Search Engines Can't See by Chris Sherman and
Gary Price. It includes a directory of some of the best resources
the Invisible Web has to offer. The directory includes resources
that are informative, of high quality, and contain worthy
information from reliable information providers that are not visible
to general-purpose search engines.
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ProFusion
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Target your search by using one of the vertical search groups or
portals. Use a broad category listed and narrow your search to
specific topics which include databases.
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Turbo 10
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Searches the Deep Net by connecting to a multitude of specialist
databases in all topic categories and languages. The Trawler makes
the connection dynamically - the moment you enter a search.
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Wayback Machine www.archive.org/
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Search the web as it was. The Wayback Machine makes it possible to
surf pages stored in the Internet Archive's web archive.
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Those Dark Hiding Places: The Invisible Web Revealed
library.rider.edu/scholarly/rlackie/ Invisible/Inv_Web.html
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Dynamically-generated pages, certain file formats, and numerous
databases are becoming invisible to their searching spiders. This
site provides links to directories, searchable sites, databases, and
search engines. There is a helpful section which offers guidelines
for situations when so-called "hidden content" searching is
warranted. From Rider University's
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CompletePlanet completeplanet.com
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This site aims to provide "the most complete listing available of
'surface' Web search engines and 'deep' Web searchable databases."
Most effective use is to search, not browse, listed resources.
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Digital Librarian
www.digital-librarian.com
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Librarian's Choice of the Best of the Web by Margaret Vail Anderson,
interesting sites in a number of categories that are nontraditional
at times, but a lot of fun to browse and often provides a quick
intro to searching in a particular area.
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Direct Search- www.freepint.com/gary/direct.htm
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Gary Price ,the guru of the Invisible Web has assembled a massive
collection of links to Invisible Web. It contains links to over
1,000 resource often missed by the usual search engines. He was a
reference librarian at George Washington University.
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Freereality.com
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Searches limited general topics and searches databases that have a
cost. Many databases for finding information on people.
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Infomine Multiple Database Search infomine.ucr.edu/search.phtml
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Unlike many Invisible Web search tools, Infomine allows simultaneous
searching of multiple databases. Academically-oriented, covering
lots of resources, with annotations and searching and browsing
capabilities. Make sure to click on a broad-category database listed
at the bottom of the screen if you want to browse.
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IncyWincy
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The Invisible Web Search Engine. It searches millions of web pages
found in the Open Directory Project. It delves deep into the
Invisible Web with its unique "Universial Search Engine" that
searches 1 million web search portals.
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Librarians' Index To The Internet www.lii.org/search
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This searchable annotated directory of Web resources, maintained by
Carole Leita, is organized into "best of," "directories,"
"databases," and "specific resources." Each entry also includes
linked cross-references, making it a browser's delight.
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Library Spot
www.libraryspot.com/
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LibrarySpot collects links to quality reference resources and
provides links to more than 2,5000 libraries around the world.
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MagPortal.com magportal.com
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Indexes and links to magazine articles available free on the Web.
Has a similarity feature; for many articles, click on an icon and
come up with a list of similar articles. Much of what it covers is
"visible" to search engines, but some of it's not, and it offers a
way to focus on magazine-type material only.
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Search Adobe PDF Online
http:// searchpdf.adobe.com
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Search more than a million summaries of Adobe Portable Document
Format (PDF) files (not usually accessible through search engines)
on the Web.
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Search Systems: Public
Record Locator
www.searchsystems.net/
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Find sources for free public records information on the web. A high
percentage of this information is the invisible web.
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