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Re:Welcome to the neighbourhood, have you read the terms of ... by ISL on Tuesday January 23, 2018 @11:09AM (#16214614)
But you can correlate the timeseries of crosswalk events that leave from one city block, follow a regular pattern, then a bus boarding, then a bus departure, then a regular trash-can event.

Do a thing regularly, or have enough "anonymized" sensors with sufficient resolution, and one can mine a lot from apparently very little.

Re:Welcome to the neighbourhood, have you read the terms of ... by vorpalhex on Tuesday January 23, 2018 @12:10PM (#16215150)
Even if the system doesn't do this directly, it's easy for a contractor with the data to do as much if the data is highly accurate.

I hope that some mitigations are being put in place by limiting data accuracy to relatively wide windows (and the wideness of those windows will need to vary depending on how busy a thing is).

Re:Welcome to the neighbourhood, have you read the terms of ... by bo1024 on Tuesday January 23, 2018 @02:14PM (#16216502)
This is the kind of thing that the field of "differential privacy" excels at and should be used for!