Abstract: A network system including a computer used by a first user for displaying a Web page based on data acquired from a server through a network, and a portal server for holding user profile information including basic attributes set by the first user and related attributes set by a second user to permit access by the first user to additional applications under the control of the second user, constructing data for the Web page to be displayed at the computer based on the profile information, including both the user basic attributes and the related attributes, in response to a request from the computer, and sending the constructed data to the computer originating the display request.