Abstract: The shopping server provides an online shopping service with retrieving information of items handled, relations among the items, user's purchase history, user's request, and the like via the internet or the intrafirm network. The shopping server generates electronic catalogs personalized for each user based on the retrieved information so as to show useful and helpful information to each user. The catalogs are categorized in accordance with the purposes. Some of the categories are fulfilled by the automatic entry in accordance with the item relations or the user's purchase through the online shopping service, while the others are fulfilled by the user's arbitrary designation. The shopping server presents the generated catalogs to the users via the internet, so that the categories are switchable and customizable by the user.

Abstract: An identification data receiving unit receives identification data of a user sent from a user terminal. An address data extracting unit extracts an address data from a group identification file provided in an address data storing unit, based on the identification data received by the identification data receiving unit. An address output processing unit sends the address data extracted by the address data extracting unit. A change request receiving unit receives a request for changing the identification data of the user sent from the user terminal, and the address data. A change processing unit changes the group identification file provided in the address data storing unit, and the data stored in an address management database.

Abstract: A management terminal stores representative information indicating a plurality of representatives who are in charge of an organization that a user belongs to, and selection information indicating a selected representative that the user selected from the plurality of representatives. The management terminal generates data of a first screen, which displays the selected representative that the selection information indicates, and which is possible for the user to select another representative than the selected representative. Then, the management terminal sends the generated data of the first screen to a user terminal, which is operated by the user. The user terminal presents the first screen to the user, using the provided data of the first screen.

Abstract: When a management computer accepts a request for giving points from a giving source, the management computer confirms the expiration date of points of the giving source user, by referring to a user database that stores information of the number of points that a user has, and the expiration date of the points that the user has. The management computer accepts designation of a giving number of points and giving destination user from the giving source user, in a case where the expiration date of points of the giving source user has not passed. The management computer subtracts the designated giving number of points from the number of the points of the giving source user, stored in the user database, and adds the giving number of points to the number of points of the giving destination user, stored in the user database.

Abstract: The shopping server provides an online shopping service with retrieving information of items handled, relations among the items, user's purchase history, user's request, and the like via the internet or the intrafirm network. The shopping server generates electronic catalogs personalized for each user based on the retrieved information so as to show useful and helpful information to each user. The catalogs are categorized in accordance with the purposes. Some of the categories are fulfilled by the automatic entry in accordance with the item relations or the user's purchase through the online shopping service, while the others are fulfilled by the user's arbitrary designation. The shopping server presents the generated catalogs to the users via the internet, so that the categories are switchable and customizable by the user.