| 摘要 |
The purpose of this invention is to establish technology that provides incentive for players to participate in rankings. A ranking order specification unit 103 specifies the order of a participant in a plurality of ranking index types. A predicted order calculation unit 111 of a ranking index recommendation unit 104 calculates, as a predicted order, the order when a player of interest participates for each of at least a portion of the plurality of ranking index types. A recommended ranking index determination unit 112 determines, on the basis of the predicted order, a ranking index to be recommended to the player of interest as the recommended ranking index. A recommendation results presentation unit 105 exhibits the recommended ranking index on a player terminal 1 of the player of interest. |
