| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an integrated type electronic commercial transaction system capable of selecting a transaction type responding to a merchandise characteristic and performing a transaction with a merchandise transaction type optimum to a seller and a purchaser. SOLUTION: This integrated electronic commercial transaction system is provided with an electronic commercial transaction site 10 where at least a transaction merchandise name, the current price, the number of transactions and a merchandise transfer date are displayed clearly or impliedly and which has at least two types of sites where commercial transactions of a seller, a person wanting to sell and a purchaser or a person wanting to buy are arbitrated, and a data extracting means 20 extracting retrieval results of sales merchandise and purchased merchandise rublicated on the site 10 in each different site.</p> |
