Information display: control of visual representations

To display large quantities of information in a form that the user can readily comprehend, one turns to visual techniques. But one must provide at least the same type of control that the user has over textual displays-an ability to modify and tune the visual display to his or her own particular interests and preferences easily. The authors describe two systems, GUIDO and VIBE, that provide this ability. Both systems allow the user to handle and organize larger amounts of information than is possible with traditional retrieval methods, with better control over the information organization