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Because search engines are incomplete
in their coverage of the web, search engines which execute a parallel search
of multiple other search engines have been developed. By
searching several databases at the same time, these "meta-search" engines are
able to find more hits for a single query. In theory, this reduces the work
for you, the searcher, but there are often so many search results that it can
be overwhelming. Because of this, it is recommended that you use meta-search
engines only if you can't find what you're looking for otherwise.
- Dogpile -- With Dogpile, you
can search a "dogpile" of search engines. Results are sorted by
search engine.
- Mamma.com -- Mamma.com sorts
by relevance with all results compiled together
- MetaCrawler -- Allows you
to sort by relevance, site, or the source search engine.
- ProFusion -- You
choose which search engines ProFusion will search.
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