| 摘要 |
PROBLEM TO BE SOLVED: To easily predict a demand for each merchandise that a customer is trying to purchase with high accuracy.SOLUTION: A user terminal 301 accepts the input of purchase scheduled merchandise and actual purchase merchandise from a user, and allows the storage part of the user terminal 301 to store the purchase scheduled merchandise and the purchase merchandise and quantity. A demand prediction server 203 acquires the purchase merchandise and quantity stored in the user terminal 301 per day, and calculates a period from the present to the predetermined next purchase date of the merchandise, and calculates the quantity of the purchase scheduled merchandise from the number of records of a purchase scheduled merchandise table, and calculates the sales quantity of the merchandise per day on the basis of a ratio between the quantity of the purchase scheduled merchandise and the quantity of the merchandise stored in a purchase merchandise table, and predicts the sales quantity of the merchandise in the period. |
