| 摘要 |
<p>An information providing system includes a portable terminal, and a server that provides the portable terminal with information of an arrival time of the portable terminal at a destination. The portable terminal comprises an RFID tag to which identification information of the destination and identification information of a departure place are written; and a communication unit that transmits the destination identification information, the departure place identification information, and information of a departure time which is a current time to the server when triggered by the departure place identification information written in the RFID tag. The server comprises an arrival time deriving unit that derives the arrival time at the destination using the departure place identification information, the destination identification information, and the departure time information transmitted from the portable terminal; and a communication unit that transmits the information of the arrival time at the destination to the portable terminal.</p> |
