Following is a list of the major players
when it comes to Search Engines. It shows who they are, how
they do it and how the information travels.
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alltheweb
Results: Powered by Yahoo!
using the Yahoo!
"Slurp" web indexing robot.
Receives content from:
Primary: Yahoo!; Paid:
Overture
Provides content to: n/a
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AltaVista
Results: Compiled by Yahoo!
using AltaVista's spider named "Scooter".
Receives content from:
Free: Yahoo!; Paid:
Overture; Directory: dmoz
Provides content to: n/a
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AOL
Search
Results: Compiled by human
editors, Open
Directory Project (ODP); uses the same indexing
and spidering techniques as the ODP (for Web Site matches)
and the same techniques as Hotbot
(for Web Page matches) since they are powered on the
same database engine.
Receives content from:
Primary: Google; Paid:
Google (AdWords); Directory:
dmoz
Provides content to: n/a
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AskJeeves
Results: Compiled by spidering
using the Teoma crawler (TEOMA_AGENT1).
Receives content from:
Secondary: Teoma; Paid:
Google; Directory: dmoz
Provides content to: Secondary:
Netscape
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dmoz
Results: Compiled by human
editors.
Receives content from:
Primary: Lycos; Secondary:
FAST (Alltheweb); Directory:
AOL Search, HotBot, Google, Teoma, Lycos, AskJeeves,
Altavista, Netscape
Provides content to: n/a
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Google
Results: Compiled by spidering
using "GoogleBot".
Receives content from:
Directory: dmoz
Provides content to: Primary:
AOL Search, Netscape, iWon; Paid:
AOL Search, Netscape, Teoma, AskJeeves, iWon
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HotBot
Results: Main results from
Inktomi using the Yahoo!
"Slurp" web indexing robot.
Receives content from:
Primary: Inktomi; Paid:
Google; Directory: dmoz
Provides content to: n/a
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Inktomi
Results: Compiled by Yahoo!
using the Yahoo!
"Slurp" web indexing robot, FAST crawler
and Yahoo! Seeker
Receives content from:
n/a
Provides content to: Primary:
Hotbot, Yahoo!; Secondary:
Excite, LookSmart, Overture
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iWon
Results: Compiled by spidering.
Receives content from:
Primary: Google; Paid:
Google
Provides content to: n/a
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LookSmart
Results: Compiled by human
editors.
Receives content from:
Secondary: Inktomi
Provides content to: Primary:
Lycos (10 ten results)
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Lycos
Results: Compiled from
other indexes and directories using the Lycos "T-Rex"
spider.
Recieves content from: Primary:
LookSmart; Secondary: Yahoo!;
Paid: Google; Directory:
dmoz
Provides content to: n/a
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msn
Results: Some content is
indexed using the "MSNbot"
some is compiled by human editors.
Receives content from:
Paid: Overture
Provides content to: n/a
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Netscape
Results: Compiled by spidering.
Receives content from:
Primary: Google; Secondary:
AskJeeves; Paid: Google;
Directory: dmoz
Provides content to: n/a
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Overture
Results: Compiled from
paid listings.
Receives content from:
Secondary: Yahoo!
Provides content to: Paid:
Alltheweb, Yahoo!, Excite, Altavista, msn
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Teoma
Results: Compiled by spidering
using the Teoma crawler (TEOMA_AGENT1).
Receives content from:
Paid: Google; Directory:
dmoz
Provides content to: Secondary:
AskJeeves
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Yahoo!
Results: Index compiled
by mixing Inktomi, FAST and AltaVista. Directory results
are a combination of spidering and human editors.
Receives content from:
Primary: Itself; Paid:
Overture
Provides content to: Yahoo!
presents the entire index
25 April 2005
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