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Library Web
Finding Information on the Internet: A Tutorial
Recommended Subject Directories
UC Berkeley - Teaching Library Internet Workshops
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The URL of this page is: http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/SubjDirectories.html

Recommended General Subject Directories: Table of Features

Web Directories ipl2
www.ipl.org
Infomine
infomine.ucr.edu
About.com
www.about.com
Yahoo!
dir.yahoo.com
Size, type Over 40,000.
Highest quality sites only. Useful, reliable annotations. Formed by a merger of the Librarians' Internet Index and the Internet Public Library.
Over 125,000.
Useful, reliable annotations.
Compiled by academic librarians from the University of California and elsewhere.
Over 2 million.
Generally good annotations done by "Guides" with various levels of expertise.
About 4 million.
Very short descriptions. Often useful, especially for popular and commercial topics.
Phrase searching
(what's this?)
No. Yes. Use " "
|term term| requires exact match
Yes. Use " " Yes. Use " "
Boolean logic
(what's this?)
OR implied between words. Also accepts AND and NOT. Nesting with (  ) does not work. AND implied between words. Also accepts OR, NOT, and (  ). No. Yes, as in Yahoo! Search web search engine.
Truncation
(what's this?)
No. Use *. Also stems. Can turn stemming off. Use "  " or | | to search exact terms. Use *.
Not accepted consistently.
No.
Field searching No. Select options under search box to limit to Author, Title, Subject, Keyword, Description, various subject categories, and more. No. As in Yahoo! Search web search engine.


How to Find Subject-Focused Directories for a Specific Topic, Discipline, or Field

There are thousands of specialized directories on practically every subject. If you want an overview, or if you feel you've searched long enough, try to find one. Often they are done by experts -- self-proclaimed or heavily credentialed. Here are some ways to find them:

Use any of the Subject Directories above to find more specific directories. Here are some tips:

Quick Links
Search Engines | Subject Directories | Meta-Search Engines | Invisible Web

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Recommended Subject Directories
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