| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing apparatus, information processing method and program which can estimate a period of time during which a plurality of specific persons, among users using cellular phones, act together.SOLUTION: An information providing system obtains in a server, operation history information or the like in each communication terminal and a period of time obtained by analyzing the operation history information of each communication terminal is specified as a period of time during which users of the communication terminals act together. Therefore, even if move histories cannot be stored in all communication terminals of a plurality of users acting together, from histories of operation of the communication terminals, the period of time during which the users act together can be specified. |
