Definicja search engine (EP)

Co znaczy SEARCH ENGINE (EP):

On the Internet, a search engine has three parts:

A spider (also called a "crawler" or a "bot") that goes to every page or representative pages on every Web site that wants to be searchable and reads it, using hypertext links on each page to discover and read a site's other pages A program that creates a huge index (sometimes called a "catalog") from the pages that have been read A program that receives your search request, compares it to the entries in the index, and returns results to you

Examples of search engines on the World Wide Web include Altavista, Lycos, and Yahoo.