| 摘要 |
PROBLEM TO BE SOLVED: To enable the online purchase of nearly all of the material of recipes selected by a user at an introduced sales site. SOLUTION: A mediating site 20 acquires data on material used in each recipe from recipe providing sites 10a, 10b,... presenting the recipes using a plurality of kinds of food material, obtains data on handling merchandise at each site from EC sites 30a, 30b,... selling the food materials, calculates the including rate of the handling merchandise at the EC sites 30a, 30b,... in each recipe, and decides the presenting order of the recipes so that a recipe having the high rate of this may be presented in a high order so as to be selected easily by the user. |
