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La	Web r Buscadores	o	Motores	de	búsqueda r
Funciones
Acceder	a	sitios	web,	localizar	y	descargar	
documentos.
Facilitar	el	acceso	a	los	resultados	de	una	consulta	
ordenándolos	conforme	a	unos	criterios	de	relevancia.
Componentes
Rastreador
o	Spider
Sistema	de	recuperación	de	información:
-Índices	directos
-Índices	invertidos
Interfaz:
-Formulario	de	consulta
-Página	de	resultados
Principales	buscadores	generalistas
Google
Yahoo!
Bing
Ask.com
Metabuscadores r Principales	Metabuscadores
Tradicionales
Metacrawler T
Dogpile
De	agrupamiento Yippy T
Visuales Carrot T
Buscadores	para	usos	académicos
Buscadores	especializados r
Buscadores	académicos
Google	Scholar	 T
Scirus T
Science	Research	 T
Buscadores	de	libros	
Plataformas	para	el	acceso	a	los	contenidos	digitales
NetLibrary T
Safari	Books	online	
Ebrary	Discover	
Amazon.com
Solución	más	destacada Google	búsqueda	de	libros	
El	presente/futuro
Amazon	Kindle
Sony	Reader	Digital	Book
Apple	iPad
Google	ebookstore T
Buscadores	de	blogs
Google	Búsqueda	de	blogs
Technorati T
Buscadores	de	informes	y	estudios	de	mercado r
ESADE	Knowledge r T
ICEX	(Instituto	Expañol	de	Comercio	Exterior) r

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  • 1. La Web r Buscadores o Motores de búsqueda r Funciones Acceder a sitios web, localizar y descargar documentos. Facilitar el acceso a los resultados de una consulta ordenándolos conforme a unos criterios de relevancia. Componentes Rastreador o Spider Sistema de recuperación de información: -Índices directos -Índices invertidos Interfaz: -Formulario de consulta -Página de resultados Principales buscadores generalistas Google Yahoo! Bing Ask.com Metabuscadores r Principales Metabuscadores Tradicionales Metacrawler T Dogpile De agrupamiento Yippy T Visuales Carrot T Buscadores para usos académicos Buscadores especializados r Buscadores académicos Google Scholar T Scirus T Science Research T Buscadores de libros Plataformas para el acceso a los contenidos digitales NetLibrary T Safari Books online Ebrary Discover Amazon.com Solución más destacada Google búsqueda de libros El presente/futuro Amazon Kindle Sony Reader Digital Book Apple iPad Google ebookstore T Buscadores de blogs Google Búsqueda de blogs Technorati T Buscadores de informes y estudios de mercado r ESADE Knowledge r T ICEX (Instituto Expañol de Comercio Exterior) r