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Part: 4 Specialized Search Engines > Usenet Newsgroup Hierarchies

Appendix C. Usenet Newsgroup Hierarchies

Deja (www.deja.com) and several of the leading general-purpose search engines greatly simplify the process of finding information in Usenet newsgroups. It's no longer necessary to know exactly which newsgroup deals with a particular topic. Just tell Deja (or a search engine like HotBot or Yahoo that offers newsgroup searching) that you want to direct your query to newsgroups instead of the Web and let it take care of the details.

Eventually, though, you may want to employ the power-searching technique of limiting your newsgroup queries to specific newsgroups. Or you may simply want to know what those “alt-dot-something” names mean and how they get assigned. The key concept is newsgroup hierarchies.


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