| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for electronic commerce, utilizing the characteristic of an article having the characteristic of a market price being fixed uniquely by specifications and quality, such as diamond. SOLUTION: A market, in which wholesale companies, retail companies and users participate, is constructed over a network. An intermediation center registers the selling and purchasing desires of participants, who are desirous of selling or purchasing the article with the hierarchical kind of the participant and the specifications and quality information of the article to match these selling desires and the purchasing desires. |
