Specialized Search Engines
These engines search only a specific piece of the Internet.
- ScirusScience
- Wolfram AlphaCalculations and data
Related Guides
Here's another fine Guide on web searching.
- Last Updated Nov 28, 2012
The Deep Web Library Guide discusses why the Deep Web exists and what it contains. The Guide also provides tools for searching the Deep Web, along with resources for further information.
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Search Engines
- Alta VistaOne of the oldest search engines -- with an outstanding translation function -- Babelfish.
- Ask.comStarted out as Ask Jeeves -- first engine to use natural language searching.
- Bing.comNew search engine from Microsoft, replacing Live Search. Offers categories: Images, Videos, Shopping, News, Maps, and Travel. Still evolving.
- DuckDuckGoA search engine that prides itself on privacy and "breaking out of the filter bubble."
- ExaleadAllows users to personalize the interface. Thumbnail images of results.
- GigablastIdentifies itself as the "search with attitude" that is eco-friendly. Freshness dating is one of their major attributes.
- GoogleCertainly the best known, with dozens of added features like image searching, maps and shopping. Extensive advanced search capabilities allow fine-tuning for better results.
- LycosAnother large search engine with e-mail & news portal.
- SurfWaxProviding the "best use" of relevant search results.
- Yahoo!Fiercely competitive with Google -- but includes a popular e-mail functionality. Front page is designed to short-circuit many common searches with instant access.
Metasearch Engines
Why use a single search engine when you can use a Meta? All web search engines are based on algorithms --complex series of lexical orders -- when they are combined, they may actually compete/delete results from some searches. Combining results from two or more engines assures the researcher of a more complete list of informative websites.
- DogpileOffers the ability to customize the list of engines searched.
- Excite.comThe portal is unique, including mail and news features, but the search results are similar to Info.com.
- Info.comIncludes results from 14 different search engines, including Google and Ask.com
- IxQuickResults are culled from the Top Ten results in other engines. Easy access to foreign language interfaces & results.
- MammaOne of the oldest metasearch engines, includes both general and subject specialized search engines.
- Search.comFrom CNet, can be tech heavy in responses. Includes a "narrow your search" feature.
- YippyResults are clustered into clouds, making it easy to focus your search.
- ZapMetaIncludes clustered results by topic, suggestions for related searches.

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