Wikipedia defines the World Wide Web (Web) as a system of interlinked, hypertext documents that runs over the Internet. With a Web browser, a user views Web pages that may contain text, images, and other multimedia and navigates between them using hyperlinks. The Web has only been around since 1990, and yet, it already counts trillions of Web pages.
With so much information and the number of Web surfers increasing on a daily basis, the challenge of directing users to the appropriate source of information is becoming increasingly complex. That role belongs to search engines such as Google, Yahoo, and MSN who are competing fiercely in order to come up with the best and most accurate search results. Search engines act as filters in differentiating between the relevant and the irrelevant. Yet, how do they know what is relevant and what is irrelevant or less relevant?
They rely on whatever is found on a Web page and they rely on links that direct to a specific Web page. Whatever is found on a Web page can easily be manipulated, but what is found on another persons Web page is harder to control. That leads us to the intrinsic nature of the Web, which is a network of...