... Information technology Knowledge‐based systems World Wide Web The Web structure knowledge required by an agent depends on the information being sought, and may differ greatly between two agents searching for different kinds of information. For instance, an agent that looks for citations...

... users Information society Internet Knowledge‐based systems Enthusiasts may like to think that once a person encounters the Internet, he or she will be launched on a life long love affair. Once experienced, Internet access is something the user will never want to be without. There is, however...