Very large databases on the Web have been changing dynamically and have become complicated today. This research aims at helping users’ understanding of database changes by database animation. As a case study, animating budget management of one company is researched. It shows clearly that database animation help understand the flow of plans and the distribution of the whole budget. Furthermore, it has shown that reverse animation by preserved homotopy realizes the effective reuse of databases.
Toshio Kodama, Tosiyasu L. Kunii