| 摘要 |
PROBLEM TO BE SOLVED: To provide an advertisement content having the highest marketing effect.SOLUTION: An information extraction device creates a plurality of rankings with different conditions for products satisfying predetermined conditions set for a target product, on the basis of sales histories of products. Then, the information extraction device creates a ranking of a specified product specified by a user for each attribute condition generated by a generation unit, on the basis of a set of products purchased by users having attributes indicated by attribute information included the attribute condition. |
