| 摘要 |
PROBLEM TO BE SOLVED: To provide an advertisement purchase device and an advertisement purchase method capable of obtaining sufficient advertisement effects by suppressing costs required for the purchase of a keyword as an advertisement posting condition, and purchasing the keyword with which the large number of search, impressions and clicks can be captured at an optimal timing.SOLUTION: An advertisement purchase device includes: reading the record of advertisement request information from an advertisement request information database 21 (S101); extracting a related keyword related to an advertisement object (S102); selecting a unique related keyword from among the related keywords (S103); comparing the unique related keyword with SNS information, advertisement effect information and viewer DMP information to verify validity (S104); analogizing an association keyword for evoking the advertisement object from among the unique related keywords (S105); collating the price of the unique related keyword or the analogized association keyword with an advertisement budget to select the keyword (S106); and storing the keyword in a purchase keyword information database 26 (S107). |
