Gateways, search engines, meta-search engines and portals

Author(s): F. Clark & G. P. Boran

Description

The growth of the Internet is exponential and bibliographic control does not exist. By one estimate, the total number of Web pages doubled to two billion unique indexable pages between January and June last year, and even the most wide-reaching search engines cover barely half of these. Finding relevant information in this vast sea of data is the proverbial needle in a haystack problem.