Beyond Google: The Invisible Web: About

Traditional definition

• "Invisible Web" is the term used to describe all of the information available on the World Wide Web that cannot be found by using general-purpose search engines. (Devine and Egger-Sider, 2001)

Cognitive definition

• The Invisible Web represents resources that cannot be found because of searchers' limited research skills. (Devine and Egger-Sider, 2013)