Each of information on user characteristic and information on game content characteristic is arranged as position information using two or more parameters on the same coordinate system. The contents are divided into a plurality of content groups. Upon reception of an information search request from a user, a distance between the position corresponding to the user characteristic and the position of the center of gravity of each content group is obtained unless the target content condition is decided. When the target content condition is decided, a distance between the segment connecting the user position with the content position selected as the target and the position of center of gravity of each content group is obtained. Not only the content contained in the group approximating the user characteristic or the target content but also the content contained in a comparatively approximating group is presented to the user as a selection candidate according to the obtained distance.

 
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