Patent ID: 8103663

Claim:
An advertising medium determination device comprising: target specifying information storage means for storing correspondently with searchers' identification information for specifying target attribution including information for specifying information delivery medium of an object to contact with; search term storage means for correspondently storing searchers' identifications, timing of search and search terms used for the search; extraction means for extracting a timing of search for a search term for each searcher's identification from the search term storage means when the search term is provided as a search condition and segmenting the extracted search timing into a predetermined number in chronological order and extracting searcher's identification belonging to each segment; search number variation history calculation means for calculating variation history of search number representing chronological variation of the number of search for each search term stored in the search term storage means; and advertising medium data determination means for extracting candidates of information delivery medium for the each segment from the extracted each searcher's identification using information for specifying a target stored in the target specifying information storage means for determining one or more than two representation candidates of information delivery medium from the extracted candidates of information delivery medium, thereby determining the representation candidatures of information delivery medium arranged in chronological order as advertising medium data in a name of advertising object provided correspondently to the search term.