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The Internet is a network that links computers around the world, which allows people to send electronic messages (email) and "surf" through countless sites 24/7 using a web/Internet browser. Some of the most popular browsers are: Microsoft Internet Explorer, America Online, Mozilla's Firefox, and Netscape's Navigator.

The World Wide Web (called "the Web") is a part of the Internet designed to allow easier navigation and information retrieval through the use of graphical user interfaces and hypertext links between different addresses. Currently considered to contain approximately one billion documents, the Web is not indexed with any standard vocabulary, unlike catalogs in libraries which use Library of Congress subject headings for each record.

Web pages are sources on the Internet that may contain text, graphic images, sound files, links to other Web sites and much more. A collection of Web pages that contains links to each other is commonly referred to as a Web site.

The Invisible Web, or "deep Web", consists of Web sites that are not easy to retrieve using a search engine because they are comprised of content from intranet pages and from Web-connected proprietary databases. Examples of the Invisible Web include:

  • Databases such as Academic Search Premier and Lexis-Nexis
  • Full-text scholarly journal and newspaper articles
  • Books still in copyright, such as e-books


How to find a Web site...

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