Abstract: A campaign information processing system enabling reduction of the work of application to a campaign and enhancement of the campaign effect by changing the condition of application qualification according to the purchaser and the purchase environment. A purchase history data storage section (33) stores purchase history data including electronic settlement ID data and purchased product codes. The electronic settlement ID is, for example, an electronic money number. A campaign object product code storage section (35) stores campaign object product codes. A campaign application qualification recording section (41) creates and records campaign application qualification data in respect of the electronic settlement ID data included in the purchase history data including the purchase product code matching the campaign object product code. Points are calculated according to a point rule, and application qualification is given when the points reach a predetermined value.

Abstract: It is also an object of the present invention to provide objective advertisement plan(s). The target specifying information storage means 2 stores information for specifying target attribution including information for specifying information delivery medium of an object to contact with correspondently with searchers' id. The search term storage means 3 correspondently stores a searcher's id, the timing of search, and the term used for the search. The extraction means 4 extracts the timing of search for such search term for each searcher's id, segments the extracted search timing for each searcher's id into a predetermined number in chronological order and then extracts searcher's id belonging to each segment.