| 摘要 |
A system and method harvest data from at least one device, by canvassing the devices and tracking which canvassed devices yielded harvested data and then repeating such canvassing and tracking until either data has been obtained from all of the devices, or a certain time has passed since the beginning of the canvassing period. In a further embodiment, when data has been obtained from all the devices or the time has passed, whichever comes first, the harvested data is sent to a central processing center.
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