Abstract: A business system on the Web base having a plurality of system apparatuses and software components aims at reducing a load on configuration works and employment works of the business system. In an employment management system for the business system having a plurality of system apparatuses, a storage device stores unit configuration information, a plurality of methods constituting a common interface, and a program for each method. The common interface has at least a partial halt method for making the unit halt an operation of the business system and a partial restart method for making the unit restart the operation of the business system. When an arithmetic processing part performs employment operations by making a predetermined system apparatus halt the operation of the business system, the unit including the predetermined system is subjected to partial halt, employment operations and then partial restart.

Abstract: Product data information to be stored in a product database is defined by setting essential items necessary to define products with respect to their essential parts, and setting optional items necessary to define optional products deriving from standards product defined by their essential items. A product definition section produces product data information on standard products based on the set essential items, and produces product data information on optional products based on the set optional items. This product data information is transferred from an electronic shop client to an electronic mall server to be stored into the product database through a product registering section.