Online shopping support method and system for sales promotions based on the purchase history of users

An online shopping support method for an online shopping support system including a service offering system, a service use system, and a communication network in which, in response to a shopping request from said service use system, said service offering system executes an online shopping process including a merchandise information offering process and an order accepting process, said method comprising the steps of:

• said service offering system storing purchase history information of each good purchased by each user;
• said service offering system, in response to an input of identification information including a user identifier by said service use system, searching the purchase history information of the user corresponding to the user identifier and calculating a purchase interval of each good purchased by the user;
• said service offering system determining for each good whose purchase interval was calculated whether a time corresponding to the purchase interval has lapsed after the latest purchase date when the identification information is input;
• said service offering system, in accordance with the determination results, transmitting information of the good whose time corresponding to the purchase interval has lapsed to said service use system via said communication network and displaying the information at said service use system;
• said service offering system, in response to an input of order information by the service use system with respect to the displayed information, transmitting confirmation of the order information to said service use system;
• and
• said service user system inputting a confirmation information response and a payment type.

An online shopping method for an online shopping support system including a service offering system, a service use system, and a communication network in which, in response to a shopping request from said service use system, said service offering system executes an online shopping process including a merchandise information offering process and an order accepting process, said method comprising the steps of:

• said service offering system storing purchase history information of each good purchased by each user;
• said service offering system, in response to an input of identification information including a user identifier by said service use system, searching the purchase history information of the user corresponding to the user identifier and calculating a purchase interval of each good purchased by the user;
• said service offering system determining for each good whose purchase interval was calculated whether a time corresponding to the purchase interval has lapsed after the latest purchase date when the identification information is input;
• said service offering system, in accordance with the determination results, transmitting information of the good whose time corresponding to the purchase interval has lapsed to said service use system via said communication network and displaying the information at said service use system;
• said service offering system, in response to an input of order information by the service use system with respect to the displayed information, transmitting confirmation of the order information to said service use system;
• said service user system inputting a confirmation information response and a payment type;
• and
• said service offering system calculating the purchase interval of each good purchased by the user corresponding to the user identifier, in accordance with the purchase history information having already been stored at said service offering system, and storing the calculated purchase interval in the purchase history information to update the purchase history information.

An online shopping support system including a service offering system, a service use system, and a communication network in which, in response to a shopping request from the service use system, the service offering system executes an online shopping process including a merchandise information offering process and an order accepting process, said online shopping support system comprising:

• storage means for storing purchase history information of each good purchased by each user;
• search means for searching, in response to an input of identification information including a user identifier by said service use system, the purchase history information of the user corresponding to the user identifier from said storage means;
• calculating means for calculating a purchase interval of good purchased by the user in accordance with the searched purchase information;
• determining means for determining for each good whose purchase interval was calculated whether a time corresponding to the purchase interval has lapsed after the latest purchase date when the identification information is input;
• and
• supply information transmitting means for transmitting, in accordance with the determination results, information of the good whose time corresponding to the, purchase interval has lapsed to said service use system via said communication network and displaying the information at said service use system.

A computer-readable recording medium for storing a program which supports the operation of a service offering system operating an online shopping system including a service offering system, a service use system, and a communication network, and the operation of the service offering system in which in response to a shopping request from the service use system via the communication network, the service offering system executes a process necessary at least for online shopping and supplies the service use system with shopping information, said computer-readable recording medium comprising:

• storage program means for storing purchase history information of each good purchased by each use in a memory of said service offering system;
• search program means for searching, in response to an input of identification information including a user identifier by said service use system, the purchase history information of the user corresponding to the user identifier from said memory;
• calculation program means for calculating a purchase interval of each good purchased by the user in accordance with the searched purchase information;
• determining program means for determining for each good whose purchase interval was calculated whether a time corresponding to the purchase interval has lapsed after the latest purchase date when the identification information is input;
• and
• supply information transmission program means for transmitting, in accordance with the determination results, information of at least a good whose time corresponding to the purchase interval has lapsed to said service use system via said communication network and displaying the information at said service use system.