ShareThisMetasearch Engines
When you perform a search on Google, the results that you get are all from, well, Google! But metasearch engines have been around for years. They allow you to search not only Google, but a variety of other search engines too - in one fell swoop.
In a meta-search engine, you submit keywords in its search box, and it transmits your search simultaneously to several individual search engines and their databases of web pages. Within a few seconds, you get back results from all the search engines queried. Meta-search engines do not own a database of Web pages; they send your search terms to the databases maintained by search engine companies.
A meta-search engine is a search tool that sends user requests to several other search engines and/or databases and aggregates the results into a single list or displays them according to their source
Read a good articles on Search Engines and Meta Search Engines here at SSIR.
Meta-search engines send a user's query to multiple search engines and blend the top results from each into one overall list. A final step can involve clustering the combined results, but both meta-search and regular search engines can be clustered, so the clustering issue is separate. It’s been claimed that meta-search is inherently worse than regular search engines. We assert the contrary: meta-search has intrinsic advantages that are based on voting.
Hear is listed few popular Meta Search Engines:
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I found metacca’s results good and is loaded with features!
Metacca is a very powerful meta-search engine that simultaneously searches all the most popular engines such as Yahoo, Google, Live, AOL, LookSmart, Visvo, dmoz, Inktomi, Altavista, Alltheweb, and over 100 other leading search engines in the categories of Web, Images, News, Shopping, Videos, and FTP to deliver the most comprehensive and relevant results possible.
-As claimed by themselves!
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Zampmeta categorizes your search query, this helps finding the write thing you wanted to search! Additionally it lets you search within different TLDs (top level domains), e.g. .com, .edu or .biz
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Myriad Search from the SEO Book
http://tools.seobook.com/authority-finder/
Clusty Search Engine
Article by: Sumit Pranav.
Sumit Pranav is a search technology expert based in New Delhi, India. He has done extensive studies and research on Search Engines, its algorithms and the search engine marketing models. He holds rewards from Microsoft for his research Project called ECIGS (Educational Content Identification and Grabbing System)
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