INFORMATION PROCESSING SYSTEM, SERVER, AND PROGRAM, AND TERMINAL AND PROGRAM

摘要

The present invention establishes a feature that makes it possible to instantly address cheating that involves an unknown cheating technique or a cheating technique that is difficult to detect. A historical information acquisition unit 101 acquires historical information about an operation from a plurality of player terminals 1-0 to 1-m. A feature information generation unit 102 generates feature information indicating features of the operation for each of the plurality of players using prescribed weightings obtained from the historical information about the operation. A clustering unit 103 clusters the plurality of players on the basis of the feature information for each of the plurality of players. An other-player information transmission control unit 104 transmits information about another player belonging to the same group to each of the player terminals 1-0 to 1-m of the clustered plurality of players, and executes a control forbidding transmission of information about other players belonging to another group.