| 摘要 |
PROBLEM TO BE SOLVED: To efficiently provide information useful for examining an article purchase when interesting article information is retrieved on a network. SOLUTION: A server computer 30 which provides a web site W is equipped with a storage device 40, a reception part 50, an arithmetic part 60, and a display part 70 and at an article information registration application corner 307, article information that a trader provides at the site is obtained and stored in an article information storage database 402. |
