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Even the major search engines place a great deal of reliance upon establishing primary and secondary connections which each other. 

Search Engine Results Chart (SearchEngineWatch.com)

Search
Engine

 Type Of
Main Results		 Provider Of
Main Results		 Paid
Results		 Directory Results
AllTheWeb Crawler Yahoo Overture none

AltaVista

 Crawler Yahoo Overture Open
Directory

AOL Search

 Crawler Google Google Open
Directory
Ask Jeeves Crawler Teoma Google none
Gigablast Crawler Gigablast none none
Google Crawler Google Google Open
Directory
MSN Search Crawler Yahoo Overture none
Netscape Crawler Google Google Open
Directory
Teoma Crawler Teoma Google none

Yahoo

 Crawler Yahoo Overture Yahoo

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Map of Search Engine Relationships (common.ziffdavisinternet.com)

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Who Powers Whom? (SearchEngineWatch.com)

Search Engine
(Read Down)		 Provider:
Google		 Provider:
Yahoo/Overture		 Notes
Google Main & Paid   Open Directory
an option
Yahoo   Main & Paid Yahoo Directory
an option
MSN   Main & Paid
(12/05 & 6/05)		  
AOL Main & Paid
(est. 10/05+)		   AOL-owned
Open Directory
an option
Excite
Network		 Main & Paid
(at iWon, MyWay,
My Web Search)		   Excite.com
 is InfoSpace-powered
Ask Jeeves Paid
(until 2007)		   Main from Ask-owned Teoma.
InfoSpace Runs several meta search engines. Dogpile is most popular, representative of others. Google (2006), Yahoo (3/06) & many small providers have distribution deals.
AltaVista   Main & Paid Open Directory
an option;
owned by Yahoo
AllTheWeb   Main & Paid Owned by Yahoo
HotBot Paid
(see note)		 Main Backup from
Google & Ask;
Owned by Lycos
Lycos Paid
(see note)		 Backup
(see note)		 Main from LookSmart;
Open Directory
an option
Netscape Main & Paid
(est. 10/05+)		   Owned by AOL;
Open Directory
an option
Teoma Paid
(Sept 05)		   Main from Teoma; owned by Ask;
Paid can end as early as 9/04
 

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This website was created as an assignment for the Cyberspace Law seminar at the University of North Carolina School of Law.  Information contained in this site should not be considered legal advice. This website was created solely for educational purposes. All copyrighted content, trade names, and trademarks incorporated into this website are property of their respective owners and are reproduced with permission and/or under the Fair Use guidelines for educational purposes.

Last updated: 04/12/05.