| 摘要 |
METHOD FOR AUTOMATICALLY RESTRING CONSISTENCY IN A HIERARCHICAL OBJECT STRUCTURE IN A COMPUTER AFTER A USER INTERACTION, AND COMPUTER COMPRISING SUCH A SYSTEM FOR AUTOMATIC CONSISTENCY RESTORATION.A REPRODUCTION STRUCTURE IN A COMPUTER IS BASED ON A HIERARCHICAL STRUCTURE OF CONSISTENCY RELATION BETWEEN OBJECTS. AS A FUNCTION OF ONE MORE OBJECTS OF A GIVEN HIERARCHICAL LEVEL, EACH RELATION SPECIFIES ONE OR MORE INCREMENTAL OBJECTS AT A NEXT-HIGHER LEVEL. VARIABLE INCREMENTAL OBJECTS ARE SITUATED AT THE LOWEST LEVEL. AFTER A USER INTERACTION, MODIFYING ONE OR MORE VARIABLE INCREMENTAL OBJECTS, THE CONSISTENCY IS RESTORED AS FOLLOWS. FIRST A SET OF VALUE INCONSISTENCIES IS SIGNALLED FOR THE INCREMENTAL OBJECTS DURING A BOTTOM-UP SIGNALLING STEP. SUBSEQUENTLY, ON THE BASIS OF EACH ELEMENT OF SAID DURING A TOP-DOWN UPDATING STEP THE VALUE OF THE HIERARCHICALLY HIGHER OBJECTIS UPDATED ON THE BASIS OF A CHANGE OF VALUE, IF ANY, OF ASSOCIATED, SPECIFYING VARIABLE INCREMENTAL OBJECTS AND/OR INCREMENTAL OBJECTS.(FIG. 6)
|
