A DB interface is provided between each subscriber database, which stores information associated with each goods including an aesthetic/sensuous attribute unique to each subscriber, and a basic DB, which stores support information for supporting goods planning of each subscriber by electronic processing. The DB interface converts the aesthetic/sensuous attribute to data corresponding to a unified classification and a unified evaluation axis of the basic DB so as to cause the basic DB to fetch the information of each subscriber database as part of the support information.
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