AN ELECTRONIC ADVERTISEMENT SYSTEM

摘要

A keyword, first online query volume information for the keyword in a first geographic region, and second online query volume information for the keyword in a second geographic region are received. A first parameter is calculated based on the first online query volume information and the second online query volume information, and the first parameter is determined to satisfy a threshold. In response to the determination that the first parameter satisfies the threshold, a first medium distributed in the first geographic region is identified and an item including the keyword is forwarded for placement in the first medium. Revenue generated by placement of the item in the first medium is determined.