User identification system, user identification method and user identification program

摘要

The user identification system includes a user terminal and a server, and the terminal detects a phenomenon that the service provided by the server cannot be accessed, and detects a service when the event is detected. Recording means for recording a time stamp indicating when the access could not be performed, transmission means for transmitting the time stamp and identification information for identifying the user of the terminal to the server, and access to the service provided by the server cannot be accepted. Specific information receiving means for receiving identification information indicating that the user has been identified as a user who has accessed by the terminal during the inaccessible period, and the server receives the identification information and the time stamp, If access by the terminal related to the time stamp is access made during an inaccessible period, Comprising specifying means for specifying a user identified by the information, and notifying means for notifying specific information to the terminal of the user identified, a.