| 摘要 |
PROBLEM TO BE SOLVED: To provide a data providing method and a server device for allowing a data using device to autonomously update data in order to synchronize data. SOLUTION: In this data providing method for providing a plurality of kinds of data pieces under the control of update processing to a data using device, those data pieces are grouped and held for every data using device, and a device identifier corresponding to the data using device to which the updated data pieces belong is held according to the update of the data pieces, and the held device identifier is retrieved according to an instruction from the outside, and the corresponding data using device is informed of the update of the data pieces. The updated data pieces are provided according to a request from the data using device. The data providing server device executes the data providing method.
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