Dynamic rotation of multiple keyphrases for advertising content supplier

摘要

Systems and methods are provided for dynamically rotating keywords to be used to alter an advertisement request from an advertisement requester. In one embodiment, a method includes identifying a base request from an advertisement requester; identifying at least two potential keywords associated with the base request; and assigning a usage weight to each of the at least two potential keywords, the usage weight determining a percentage of times that each of the at least two potential keywords should be selected to dynamically alter the base request.