| 摘要 |
In a positional information providing method, an information sending server transmits desired decision positional information and unique information on a designated mobile terminal device to a positional information providing server, and a mobile terminal device transmits unique information thereon to the positional information providing server, and when the designated unique information and the unique information agree with each other, the positional information providing server makes a decision as to whether or not there is a point of agreement between the decision positional information and the positional information on the mobile terminal device and, when the decision indicates that there is a point of agreement between the decision positional information and the positional information on the mobile terminal device, the positional information providing server notifies the decision result through a network to the information sending server, thereby providing the positional information.
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