| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate comprehension of possibility of a sellout of a commodity desired for purchase within a prescribed period. <P>SOLUTION: A retrieval server 20 has a communication means 26 associating stock information including a stock amount and a sales amount within the prescribed period, and commodity information received from each of a plurality of store servers 40, and transmitting them to terminal devices 10, according to a commodity information transmission request. Each of the terminal devices 10 has: a communication means 16 for transmitting the commodity information transmission request to the retrieval server 20; a storage means 14 for storing the stock information including the stock amount and the sales amount within the prescribed period, and the commodity information received from the retrieval server 20; an arithmetic means 12 for calculating a degree of step-by-step stock based on the stock amount and the sales amount, and making the storage means 14 store the degree of the stock associatively to the commodity information; and a display means 11 for displaying size of the stock and the commodity information. <P>COPYRIGHT: (C)2009,JPO&INPIT |
