HYPERTEXT SYSTEM AND HISTORY INFORMATION DISPLAY METHOD FOR THE SAME

摘要

PURPOSE: To easily recognize which kind of operation is performed for tracing nodes by preparing and displaying history information for which the transition of node display is made correspondent to the operation. ;CONSTITUTION: This system is provided with an input part 1 for receiving an input from a user, input judgement part 2 for judging whether the input to the input part 1 concerns history or not, input processing part 3 for processing the input not related to the history, history processing part 4 for processing the input related to the history, display history preservation part 5 for preserving information concerning the node displayed as the result of operation of the user, operation history preservation part 6 for preserving information concerning the operation of the user to cause the display of the node, history display processing part 7 for displaying the history, and display part 8 for displaying the results of the input processing part 3 and the history display processing part 7. Based on stored operation history and display history, the history information, for which the transition of node display is made correspondent to the operation for the transition, is prepared and the history information is displayed.;COPYRIGHT: (C)1994,JPO&Japio