Over the last 20 years, the World Wide Web has grown from a modest research project into an immense, seemingly chaotic repository of information and a novel, wide-ranging medium of communication.
According to Kleinberg and Lawrence, a hub is page that points to many authorities, whereas an authority is a page that is pointed to by many hubs (left).
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.