This study aims to track the new appearance, the disappearance, and the change of almost all of the tenants in South Kanto area using the real data for the period from 1995 to 2005 every five years. Quantitative methodology for this study is to combine digital town map with Yellow Page using GIS or our developed programs. Those data used in this study include name, location, and floor information etc. for each tenant. We are able to know what kinds of businesses appear or disappear concentrically for some area, or whether the floor occupied by those tenants influences the tendency of the movement of them, according to these time series analyses. Features for this study are to provide detailed spatial information and database for three-dimensional based usage using existing database merchandised for other purposes. In this study, dataset including three-dimensional information for each change of commercial tenants are analyzed and detected.
