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Advanced search engine research   Tags: advanced search, information search, search engine  

Last Updated: Jul 8, 2014 URL: Print Guide RSS Updates

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Scientific search engines
by Alexandre Serres - Last Updated Jul 8, 2014
Definition, advantages, operation, usage, resources... of scientific search engines
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A search engine is an automated tool for indexing and searching visible web resources (example:Google, Exalead, Yahoo, Bing, etc.)

Not to be confused with a meta-search engine,which is a search tool that will simultaneously query the indexes of other search engines, directories and specialized sites (example: Ixquick, Copernicus,etc.)

General search engines

Here are some general search engines that collect and index all types of resources

Usage statistics of search engines

AT Internet Online intelligence solutions publishesa monthly barometer of search engines. It followsthe evolution of the fraction of visits for search
engines in France, Germany, Spain and the United Kingdom.

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Sandrine Portet
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SCD de Rennes 2
sandrine.portet at
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Subject Guide

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Isabelle Picault

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Clémence Martin
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Bibliothèque universitaire Santé
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Tel. (00 33)2 23 23 34 89
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To cite this guide

Martin, Clémence, Picault, Isabelle, Portet, Sandrine. "Search engine advanced searches". In UEB (European University of Brittany).Form@doct. Rennes : UEB, June 2012 (last updated July 3, 2013).Available at :

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