The invisible web: uncovering sources search engines can't see. From: Library Trends | Date: September 22, 2003| Author: | COPYRIGHT 2003 University of Illinois at Urbana-Champaign. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information) Copyright information

ABSTRACT

THE PARADOX OF THE INVISIBLE WEB is that it's easy to understand why it exists, but it's very hard to actually define in concrete, specific terms. In a nutshell, the Invisible Web consists of content that's been excluded from general-purpose search engines and Web directories such as Lycos and LookSmart--and yes, even Google. There's nothing inherently "invisible" about this content. But since this content is not easily located with the information-seeking tools used by most Web users, it's effectively invisible because it's so difficult to find unless you know ...

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