| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a price retrieval site allowing a price to be easily confirmed, without searching several shops for a necessary commodity to compare the prices thereof with one another, or without collecting and comparing prices by using inserts provided by the respective shops or web pages thereof, when a purchaser compares and examines the prices, in order to purchase an equivalent or identical commodity at a low or reasonable price, and allowing the purchaser to easily grasp the bottom price within a certain period of commodity seeking. <P>SOLUTION: An information provider posts the sales price of an investigated commodity or variation of its price in a certain period on a web page of the Internet by using a price retrieval site system shown by the Figure, and a user 2, who is a commodity purchaser, accesses it by using a terminal device 5 such as a personal computer or a cellular phone connectable to the Internet, whereby the web page can freely be browsed, and necessary information can be extracted by selecting a retrieval item. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
